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  • calendar.getInstance() or calendar.clone()

    - by Pangea
    I need to make a copy of a given date 100s of times (I cannot pass-by-reference). I am wondering which of the below two are better options newTime=Calendar.getInstance().setTime(originalDate); OR newTime=originalDate.clone(); Performance is of main conern here. thx.

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  • Dispose a Web Service Proxy class?

    - by Matt
    When you create and use a Web Service proxy class in the ASP.Net framework, the class ultimately inherits from Component, which implements IDisposable. I have never seen one example online where people dispose of a web proxy class, but was wondering if it really needs to be done. When I call only one method, I normally wrap it in a using statement, but if I have a need to call it several times throughout the page, I might end up using the same instance, and just wondered what the ramifications are of not disposing it.

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  • Getting the download count of a specific S3 object

    - by phidah
    I've got a number of S3 objects that are available to my customers. Since I'd like to bill my customers by usage, I wondered if there is any smart kind of way to get the number of times a given file has been downloaded? Alternatively, I suppose I could parse the log files provided by S3, but with 10m+ fetches per customer this might be bit of a task. Any ideas?

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  • escape from a linux cli for loop

    - by aidan
    I'm doing something like this: for f in `find -iname '*.html'`; do scp $f remoteserver:$f; done; I've got through about 3 of the 1000 files and I've decided I want to abort the operation. CTRL+C only escapes the SCP login prompt and takes me to the next one, rather than escaping the for loop. Is there a better way than hitting CTRL+C 9997 times? Thanks!

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  • Proper way to use multiple stylesheets...so it WORKS?

    - by thatryan
    I am making a site where I need to have styles separated for layout, colors and typography. So basically I took my main style sheet and just copied it 3 times, and in removed everything but coloring from one, everything but type related in another and etc. But when I link to them now there must be some cascade issue or something, because a lot of the type stuff is not being applied. Is there a proper way to do this?

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  • Why do I not get low memory issues until images are draw on the screen?

    - by maxpower
    I am able to load over 200 UIImage objects into a NSMutableDictionary without any memorry warning issues. When I start displaying them on the screen (after about showing 10-20 images) I get low memory warnings and an eventual crash. Only about 8 images are displayed at anyone time. Does it take additional memory to actually draw a UIImage on the screen? No memory leaks are showing up and i've reviewed code for leaks many many times.

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  • Running a lot of jobs with sun grid engine

    - by R S
    I want to run a very large number (~30000) of jobs with Sun Grid Engine. I can theoretically, perform 30000 times the "qsub" command to submit jobs. However, I am afraid that will be too much. Is there a better way to do it? (i.e. from a file) Or otherwise, do you think it will work nonetheless? Thank you

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  • Template render callback

    - by Zsolt Németh
    I'm using Handlebar's {{#each}} to render out my collection to the DOM. After each item is rendered, I want to run a script on these elements. I'm trying to find a callabck function wich fires only once, when the whole render is completed. Meteor's Template.rendered() run's each time a new item is inserted, so it runs as many times as much item I have in my collection. Is there any solution for this? Thanks a lot!

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  • Bizarre WHERE col = NULL behavior

    - by Kenneth
    This is a problem one of our developers brought to me. He stumbled across an old stored procedure which used 'WHERE col = NULL' several times. When the stored procedure is executed it returns data. If the query inside the stored procedure is executed manually it will not return data unless the 'WHERE col = NULL' references are changed to 'WHERE col IS NULL'. Can anyone explain this behavior?

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  • Rails each loop insert tag every 6 items?

    - by dustmoo
    Hello Stack Anon, I have X number of image objects that I need to loop through in a view and want to create a new div every 6 objects or so (for a gallery). I have looked at cycle but it seems to change every other record. Does anyone know of a way to insert code into a view every 6 times? I could probably do it with nested loops but I am kinda stumped on this one. Thanks!

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  • Are weekly reports necessary?

    - by Dbger
    At the times that we didn't use Scrum, we had weekly status meeting and technical discussion; And now after we adopt Scrum, we have daily stand up meeting. But for both cases, weekly reports are always a necessity, although I don't see much value of doing this in our development team. What do you think of weekly report? what benefit that you got from it if your like it?

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  • segmentation fault for the simplest program??

    - by capex
    Hi, I am just starting out, but this piece of code is giving me a 'segmentation fault' and I can't find out what's wrong with it: #include<stdio.h> int main (void) { int number = 0; int lastDigit = 0; printf("Enter an integer: "); scanf("%d", number); number = number*10; printf("Number times ten is %d.\n", number); return 0; }

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  • Can I select a set of rows from a table and directly insert that into a table or the same table in S

    - by VJ
    Hi I guess we cannot do this but was just curious if I could do something like - Select * from Employee where EmployeeId=1 and then use the data in the above statement and directly insert into a table with just changing the employeeid...or just this way- insert into Employee ( Select * from Employee where EmployeeId=1) its probably stupid from my side...but I just felt the need to do this a lot of times...so just was curious if there was any way to achieve it..

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  • Is it true that one should not use NSLog() on production code?

    - by jpm
    I was told this a few times in this very site, but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code, and that Xcode/gcc would automatically strip those calls out when building my Release/Distribution builds. Should I avoid using this? If so, what alternatives are most common between experienced Objective-C programmers?

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  • What is a good CPU/PC setup to speed up intensive C++/templates compilation?

    - by ApplePieIsGood
    I currently have a machine with an Opteron 275 (2.2Ghz), which is a dual core CPU, and 4GB of RAM, along with a very fast hard drive. I find that when compiling even somewhat simple projects that use C++ templates (think boost, etc.), my compile times can take quite a while (minutes for small things, much longer for bigger projects). Unfortunately only one of the cores is pegged at 100%, so I know it's not the I/O, and it would seem that there is no way to take advantage of the other core for C++ compilation?

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  • CSS: What is the proper way to deal with multiple classes of Text

    - by DavidR
    So I'm on commission for a website, and I'm trying to improve my code. When dealing with a website with multiple types of font (here it's large, there it's small, there it's bold, here it's underlined, etc.) is this where we use the h1-h6, or do we reserve those for times when there is a definite hierarchy, using instead <p class="xxx"> to define different classes for text?

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  • Microsoft Excel not graphing

    - by SmartLemon
    Im not sure if this is a math question or a su question. The experiment was relating the period of one "bounce" when you hang a weight on a spring and let it bounce. I have this data here, one being mass and one being time. The time is an average of 5 trials, each one being and average of 20 bounces, to minimize human error. t 0.3049s 0.3982s 0.4838s 0.5572s 0.6219s 0.6804s 0.7362s 0.7811s 0.8328s 0.869s The mass is the mass that was used in each trial (they aren't going up in exact differences because each weight has a slight difference, nothing is perfect in the real world) m 50.59g 100.43g 150.25g 200.19g 250.89g 301.16g 351.28g 400.79g 450.43g 499.71g My problem is that I need to find the relationship between them, I know m = (k/4PI^2)*T^2 so I can work out k like that but we need to graph it. I can assume that the relationship is a sqrt relation, not sure on that one. But it appears to be the reverse of a square. Should it be 1/x^2 then? Either way my problem is still present, I have tried 1/x, 1/x^2, sqrt, x^2, none of them produce a straight line. The problem for SU is that when I go to graph the data on Excel I set the y axis data (which is the weights) and then when I go to set the x axis (which is the time) it just replaces the y axis with what I want to be the x axis, this is only happening when I have the sqrt of "m" as the y axis and I try to set the x axis as the time. The problem of math is that, am I even using the right thing? To get a straight line it would need to be x = y^1/2 right? I thought I was doing the right thing, it is what we were told to do. I'm just not getting anything that looks right.

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  • Definition of Connect, Processing, Waiting in apache bench.

    - by rpatel
    When I run apache bench I get results like: Command: abs.exe -v 3 -n 10 -c 1 https://mysite Connection Times (ms) min mean[+/-sd] median max Connect: 203 213 8.1 219 219 Processing: 78 177 88.1 172 359 Waiting: 78 169 84.6 156 344 Total: 281 389 86.7 391 563 I can't seem to find the definition of Connect, Processing and Waiting. What do those numbers mean?

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  • Javascript onresize event

    - by blogofsongs
    If I have this window.onresize = function() { alert('resized!!'); }; My function gets fired multiple times throughout the resize, but I want to capture the completion of the resize. This is in IE. Any ideas? There are various ideas out there, but not has worked for me so far (example IE's supposed window.onresizeend event.)

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  • word macro to save a selected range into database.

    - by Thunder
    Is there a way in word to save a selected portion into the database as range object.So that we can later retrieve it . It is required to generate a report in word ,the section needs to be repeated many times. I have searched net for quite some time but not much material is found. thanks.

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