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  • Open a new tab in gnome-terminal using command line.

    - by Vikrant Chaudhary
    Hi, When I write gnome-terminal --tab at the terminal, I expect it to open a new tab in the same terminal window. But it opens a new window instead. I found out that its intention is to open a new tab in a new window, i.e., if I write gnome-terminal --tab --tab it will open a new window with two tabs. So, the question is, how can I open a new tab in the current window using a command in gnome-terminal? I'm using Ubuntu 9.04 x64.

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  • How can I use a Shader in XNA to color single pixels?

    - by George Johnston
    I have a standard 800x600 window in my XNA project. My goal is to color each individual pixel based on a rectangle array which holds boolean values. Currently I am using a 1x1 Texture and drawing each sprite in my array. I am very new to XNA and come from a GDI background, so I am doing what I would have done in GDI, but it doesn't scale very well. I have been told in another question to use a Shader, but after much research, I still haven't been able to find out how to accomplish this goal. My application loops through the X and Y coordinates of my rectangular array, does calculations based on each value, and reassigns/moves the array around. At the end, I need to update my "Canvas" with the new values. A smaller sample of my array would look like: 0,0,0,0,0,0,0 0,0,0,0,0,0,0 0,0,0,0,0,0,0 1,1,1,1,1,1,1 1,1,1,1,1,1,1 How can I use a shader to color each pixel?

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  • An autoformat tool to automatically insert braces around single-line clauses?

    - by Brian Deacon
    So assuming that in our work environment we've decided that the One True Faith forbids this: if (something) doSomething(); And instead we want: if (something) { doSomething(); } Is there a tool that will do that automagically? Awesomest would be to have eclipse just do it, but since we're really just recovering from one ex-employee that thought he was too pretty for coding conventions, a less-friendly tool that would do it right just once would suffice.

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  • How can I fast-forward a single git commit, programmatically?

    - by Norman Ramsey
    I periodically get message from git that look like this: Your branch is behind the tracked remote branch 'local-master/master' by 3 commits, and can be fast-forwarded. I would like to be able to write commands in a shell script that can do the following: How can I tell if my current branch can be fast-forwarded from the remote branch it is tracking? How can I tell how many commits "behind" my branch is? How can I fast-forward by just one commit, so that for example, my local branch would go from "behind by 3 commits" to "behind by 2 commits"? (For those who are interested, I am trying to put together a quality git/darcs mirror.)

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  • Can Microsoft store three-valued fields in a single bit?

    - by fenomas
    I'm completely ignorant of SQL/databases, but I was chatting with a friend who does a lot of database work about how some databases use a "boolean" field that can take a value of NULL in addition to true and false. Regarding this, he made a comment along these lines: "To Microsoft's credit, they have never referred to that kind of field as a boolean, they just call it a bit. And it's a true bit - if you have eight or fewer bit fields in a record, it only requires one byte to store them all." Naturally that seems impossible to me - if the field can hold three values you're not going to fit eight of them into a byte. My friend agreed that it seemed odd, but begged ignorance of the low-level internals and said that so far as he knew, such fields can hold three values when viewed from the SQL side, and it does work out to require a byte of storage. I imagine one of us has a wire crossed. Can anyone explain what's really going on here?

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  • how to insert new line in bash shell for variable??

    - by puspa
    I have two variables var1 and var2. The contents of each variables come from bash shell grep command. echo $var1 prints 123 465 326 8080 echo $var2 prints sila kiran hinal juku Now I want to print the above into following formats in Linux bash shell 123 sila 465 kiran 326 hinal 8080 juku So how can I print this way in bash shell??

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  • Why can't I insert record with foregion key in a single server request?

    - by Eran Betzalel
    I'm tryring to do a simple insert with foregion key, but it seems that I need to use db.SaveChanges() for every record insert. How can I manage to use only one db.SaveChanges() at the end of this program? foreach (var file in files) { db.AddToFileSet(file); db.SaveChanges(); db.AddToDirectorySet( new GlxCustomerPhone { SimIdentifier = file.Name + "Dir", CreationDate = DateTime.UtcNow, file_relation = file }); db.SaveChanges(); }

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  • Logging Errors with messages in Codeigniter

    - by user1260776
    I’m using codeigniter on a production server, and I’m not able to properly log the errors generated to the file. I edited php.ini like this- error_reporting = E_ALL | E_NOTICE | E_STRICT|E_WARNING display_errors = Off log_errors = On error_log = "/var/log/php-scripts.log" // This is where I would like to log all the errors and notices.. And php-scripts.log is able to show the logs like this- [06-Jun-2012 03:22:20 UTC] PHP Deprecated: Directive 'safe_mode' is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:26:06 UTC] PHP Deprecated: Directive 'safe_mode' is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:05 UTC] PHP Deprecated: Directive 'safe_mode' is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:07 UTC] PHP Deprecated: Directive 'safe_mode' is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:11 UTC] PHP Deprecated: Directive 'safe_mode' is deprecated in PHP 5.3 and greater in Unknown on line 0 Now, the “index.php” settings in my “public_html” folder, (i’ve rest of CI folder outside public_html) I’ve these settings- define('ENVIRONMENT', 'production'); if (defined('ENVIRONMENT')) { switch (ENVIRONMENT) { case 'development': error_reporting(E_ALL); break; case 'testing': case 'production': error_reporting(0); break; default: exit('The application environment is not set correctly.'); } } Though everything seems to be fine, now, I’ll just change Environment to “development”, this is what I get on my website homepage- A PHP Error was encountered Severity: Warning Message: fclose() expects parameter 1 to be resource, null given Filename: core/Common.php Line Number: 91 A PHP Error was encountered Severity: Warning Message: Cannot modify header information - headers already sent by (output started at /home/theuser/codeigniter/system/core/Exceptions.php:185) Filename: core/Security.php Line Number: 188 The “rest” of the page is also displayed. And when I look at php-scripts.log, I’m not able to see any of these logs there- [06-Jun-2012 03:22:20 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:26:06 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:05 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:07 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:11 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:30:45 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 [06-Jun-2012 03:37:41 UTC] PHP Deprecated: Directive ‘safe_mode’ is deprecated in PHP 5.3 and greater in Unknown on line 0 One more thing is I don’t know how/where codeigniter itself would log all the errors. The permissions of “application/logs” folder is “777”, but there is no log file (I was expecting that CodeIgniter would automatically create a log file, should I create one, if I’ve to log errors there). I’ve set these configurations in config/config.php $config['log_threshold'] = 4; $config['log_path'] = ''; //hoping it would log errors at "default" location... Ideally, I just wish all those errors, warning, and notices (with messages) that were displayed on my webpage were sent to log-file /var/log/php-scripts.log when the “Environment” is “Production”. If it’s not possible, I would also be fine, If i can log it somewhere else. Now, I’m confused as to what should be the settings in the “index.php” page or some other configuration, so as to supress all the errors and warnings on the webpage when environment is "Production", and send all those errors, warnings, and notices to php-scripts.log. (or any other file) my php version is PHP 5.3.13 with Suhosin v0.9.33 Please help me with this. Thank you

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  • How to get a 64 bit dll with c source file, def file, link file by using command line in vc 6.0

    - by allan
    Hi, all My compile environment is windows xp and vc 6.0. Now I have a c source file(msgRout.c), def file(msgRout.def), link file(msgRout.link), then I use commands below to get a 32 bit dll: 1.cl /I ../include -c -W3 -Gs- -Z7 -Od -nologo -LD -D_X86_=1 -DWIN32 -D_WIN32 -D_MT -D_DLL msgRout.c 2.lib -out:msgRout.lib -def:msgRout.def -machine:i386 3.link /LIBPATH:../../Lib -nod -nologo -debug:full -dll @msgRout.link -out:msgRout.dll But the dll I got cannot be loaded on X64 application. it required a 64 bit dll. So here is my question: Can I get a 64 bit dll with vc 6.0? Using only above 3 commands alike, how can I get 64 bit dll? Many GREAT THANKS!!! Allan

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  • What is the command line syntax to embed MPlayer in an app window in OS X?

    - by Chip
    I know the window ID, and I'm trying stuff like: mplayer -ontop -slave -quiet -wid 471165040 /t.mov mplayer -ontop -slave -quiet --window=471165040 /t.mov but nothing is working. (I know the window ID is correct) Otherwise, mplayer CLI is working great in its own window, just can't get it to play embedded. Can anyone point me to a syntax example of embedding mplayer in an app in OS X? thanks!

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  • How can I execute several maven plugins within a single phase and set their respective execution ord

    - by Yaneeve
    Hi all, I would like to breakup certain phases in the maven life cycle into sub phases. I would like to control the execution flow from one sub-phase to another, sort of like with ant dependencies. For example, I would like to use the NSIS plugin in order to package up my project into an installer at the package stage, AFTER my project had been packaged into a war file. I would like to do all that at the package phase. Is that possible? Thanks

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  • Split large text string into variable length strings without breaking words and keeping linebreaks a

    - by Frank
    I am trying to break a large string of text into several smaller strings of text and define each smaller text strings max length to be different. for example: "The quick brown fox jumped over the red fence. The blue dog dug under the fence." I would like to have code that can split this into smaller lines and have the first line have a max of 5 characters, the second line have a max of 11, and rest have a max of 20, resulting in this: Line 1: The Line 2: quick brown Line 3: fox jumped over the Line 4: red fence. Line 5: The blue dog Line 6: dug under the fence. All this in C# or MSSQL, is it possible?

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  • How to recalculate all-pairs shorthest paths on-line if nodes are getting removed?

    - by Pavel Shved
    Latest news about underground bombing made me curious about the following problem. Assume we have a weighted undirected graph, nodes of which are sometimes removed. The problem is to re-calculate shortest paths between all pairs of nodes fast after such removals. With a simple modification of Floyd-Warshall algorithm we can calculate shortest paths between all pairs. These paths may be stored in a table, where shortest[i][j] contains the index of the next node on the shortest path between i and j (or NULL value if there's no path). The algorithm requires O(n³) time to build the table, and eacho query shortest(i,j) takes O(1). Unfortunately, we should re-run this algorithm after each removal. The other alternative is to run graph search on each query. This way each removal takes zero time to update an auxiliary structure (because there's none), but each query takes O(E) time. What algorithm can be used to "balance" the query and update time for all-pairs shortest-paths problem when nodes of the graph are being removed?

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  • How to optimize Dijkstra algorithm for a single shortest path between 2 nodes?

    - by Nazgulled
    Hi, I was trying to understand this implementation in C of the Dijkstra algorithm and at the same time modify it so that only the shortest path between 2 specific nodes (source and destination) is found. However, I don't know exactly what do to. The way I see it, there's nothing much to do, I can't seem to change d[] or prev[] cause those arrays aggregate some important data for the shortest path calculation. The only thing I can think of is stopping the algorithm when the path is found, that is, break the cycle when mini = destination when it's being marked as visited. Is there anything else I could do to make it better or is that enough? P.S: I just noticed that the for loops start at 1 until <=, why can't it start at 0 and go until <?

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  • ArcObjects: Is buffering a point faster than buffering a line / polyline?

    - by Quigrim
    I can write my code logic to either buffer a polyline or to buffer the to and from point of the polyline. Working with the points will be easier, so it is the preferred way. Logically my reasoning tells me that buffering a point will be faster as it will always be a perfect circle. But will buffering 2 points still be faster than buffering 1 polyline? My gut says yes. Any comments?

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  • How can I include a .eps figure within a Tikz simple flow chart?

    - by Jan
    Hi, I would like to create a simple flow chart in latex with the TikZ package similar to the following example http://www.texample.net/tikz/examples/simple-flow-chart/ However I would like to include figures (a time series plot created in R, as eps or something else) within the flowchart (e.g. for example within a {block}? \documentclass{article} \usepackage[latin1]{inputenc} \usepackage{tikz} \usetikzlibrary{shapes,arrows} \begin{document} \pagestyle{empty} % Define block styles \tikzstyle{decision} = [diamond, draw, fill=blue!20, text width=4.5em, text badly centered, node distance=3cm, inner sep=0pt] \tikzstyle{block} = [rectangle, draw, fill=blue!20, text width=5em, text centered, rounded corners, minimum height=4em] \tikzstyle{line} = [draw, -latex'] \tikzstyle{cloud} = [draw, ellipse,fill=red!20, node distance=3cm, minimum height=2em] \begin{tikzpicture}[node distance = 2cm, auto] % Place nodes \node [block] (init) {initialize model}; \node [cloud, left of=init] (expert) {expert}; \node [cloud, right of=init] (system) {system}; \node [block, below of=init] (identify) {identify candidate models}; \node [block, below of=identify] (evaluate) {evaluate candidate models}; \node [block, left of=evaluate, node distance=3cm] (update) {update model}; \node [decision, below of=evaluate] (decide) {is best candidate better?}; \node [block, below of=decide, node distance=3cm] (stop) {stop}; % Draw edges \path [line] (init) -- (identify); \path [line] (identify) -- (evaluate); \path [line] (evaluate) -- (decide); \path [line] (decide) -| node [near start] {yes} (update); \path [line] (update) |- (identify); \path [line] (decide) -- node {no}(stop); \path [line,dashed] (expert) -- (init); \path [line,dashed] (system) -- (init); \path [line,dashed] (system) |- (evaluate); \end{tikzpicture} \end{document} Thanks, Jan

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  • How to line-wrap console output in NetBeans 6.8?

    - by JRL
    Is there a way to make the console output text wrap based on the actual width of the window? I have limited screen height real estate on my laptop, and so want to have the console window docked on the right rather than the bottom of the window. An option or a plugin is fine, I'm using NetBeans 6.8. If this exists in a newer version of NetBeans, please say so, but I can't install a dev build.

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  • How do I recieve byteArray sent from a Server and read 4 single bytes at a time.

    - by k80sg
    I need to receive 320 bytes of data from a server which consist of 80 4 byte int fields. How do I receive them in bytes of 4 and display their respective int values? Thanks. Not sure if this is right for the receiving part: //for reading the data from the socket BufferedInputStream bufferinput=new BufferedInputStream(NewSocket.getInputStream()); DataInputStream datainput=new DataInputStream(bufferinput); byte[] handsize=new byte[32]; // The control will halt at the below statement till all the 32 bytes are not read from the socket. datainput.readFully(handsize);

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  • Which single IoC/DI container would you recommend using and why?

    - by Rob G
    I'm asking this question because it's a good way to gauge how the community at large feels about the various containers/frameworks and why. Also, whilst my expertise may lie in .Net development, I am very interested in which frameworks are popular (and why) in other languages. If I feel the need to start digging into Java for instance, then I'd like to hit the ground running with good (comfortable) knowledge that I'm starting in the right direction. Does Ruby even need one with all its magnificent dynamicism? I have my own opinions on the .Net front, and will probably add my own personal favourite in an answer below, but I'm interested in all languages and opinions here. With all that in mind, could you please state only one IoC/DI framework that you use and recommend with the language of choice (Java/Ruby/.Net/Smalltalk etc.) and your reasoning for your choice, and if someone has already answered your particular flavour, then you can just vote it up and add comments to it so that anyone looking for advice in future and see which frameworks are more than likely to work for them once they read your reasoning. I'm hoping that over time, the best ones will bubble up to the top. I realise that this question doesn't have only one correct answer, so I won't be choosing one - the community will decide which framework gets the most votes and why. Of course, if you really feel strongly opposed to a particular brand, you could take the reputation hit and vote it down too, and this question can serve as a true wiki-style entry for research into this field. Remember, only one IoC per answer you write please - if you feel the need to promote two frameworks, then write two answers with your reasoning inside for each choice - then others in the community can agree or disagree with you.

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