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  • SQLAlchemy autocommiting?

    - by muckabout
    I have an issue with SQLAlchemy apparently committing. A rough sketch of my code: trans = self.conn.begin() try: assert not self.conn.execute(my_obj.__table__.select(my_obj.id == id)).first() self.conn.execute(my_obj.__table__.insert().values(id=id)) assert not self.conn.execute(my_obj.__table__.select(my_obj.id == id)).first() except: trans.rollback() raise I don't commit, and the second assert always fails! In other words, it seems the data is getting inserted into the database even though the code is within a transaction! Is this assessment accurate?

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  • How do I remove elements from a jQuery wrapped set

    - by Bungle
    I'm a little confused about which jQuery method and/or selectors to use when trying to select an element, and then remove certain descendant elements from the wrapped set. For example, given the following HTML: <div id="article"> <div id="inset"> <ul> <li>This is bullet point #1.</li> <li>This is bullet point #2.</li> <li>This is bullet point #3.</li> </ul> </div> <p>This is the first paragraph of the article</p> <p>This is the second paragraph of the article</p> <p>This is the third paragraph of the article</p> </div> I want to select the article: var $article = $('#article'); but then remove <div id="inset"></div> and its descendants from the wrapped set. I tried the following: var $article = $('#article').not('#inset'); but that didn't work, and in retrospect, I think I can see why. I also tried using remove() unsuccessfully. What would be the correct way to do this? Ultimately, I need to set this up in such a way that I can define a configuration array, such as: var selectors = [ { select: '#article', exclude: ['#inset'] } ]; where select defines a single element that contains text content, and exclude is an optional array that defines one or more selectors to disregard text content from. Given the final wrapped set with the excluded elements removed, I would like to be able to call jQuery's text() method to end up with the following text: This is the first paragraph of the article.This is the second paragraph of the article.This is the third paragraph of the article. The configuration array doesn't need to work exactly like that, but it should provide roughly equivalent configuration potential. Thanks for any help you can provide!

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  • django url matching

    - by ben
    can anyone see why this wouldn't be working. Fairly new to django so any help would be much appreciated actual url: http://127.0.0.1:8000/2010/may/12/my-second-blog-post/ urls.py: (r'(?P<year>d{4})/(?P<month>[a-z]{3})/(?P<day>w{1,2})/(?P<slug>[-w]+)/$', 'object_detail', dict(info_dict, slug_field='slug',template_name='blog/detail.html')),

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  • How to get CurrentLocation from GPS FirstTime quickly?

    - by Are
    Hi, Iam using locationManager = (LocationManager) getSystemService(LOCATION_SERVICE); Criteria criteria = new Criteria(); String bestProvider = locationManager.getBestProvider(criteria, true); locationManager.requestLocationUpdates(bestProvider, 0, 0, this); location = locationManager.getLastKnownLocation(bestProvider); but first time it is not giving location object.Always giving me null.I read in developer.android.com , "Cached Location is dismissed if it is too old" But second time it is giving location updates.How to solve my problem. Regards, Android Developer

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  • Hibernate querycount query, dont know how to do

    - by kevinb92
    I want to make an hibernate querycount on a table. I have to values, one string and one boolean HibernateUtil.queryCount(VoteOnPublication.class, new String[] {VOTED_PUBLICATION_ID_FIELD, FOR_OR_AGAINST_FIELD}, **********); my voted_publication_id_field is a string, and my for or against field is a boolean. What should i put in my second part of the query ? I first put : new String[] {publication.getId(),true.toString() but that didnt work. i think the new String is the mistake but i dont know what to put

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  • Why is native libmpg123 taking so long on android with libgdx?

    - by cmbryan
    I'm trying to use the gdx-audio extensions, but am having trouble decoding mp3s. It works, but very slowly!! A 10-second file is taking 6.57 seconds to decode :( Here is the method: public void decode() { Mpg123Decoder decoder = new Mpg123Decoder(externalFile); short[] sampleArray = new short[1024]; // read until we reach the end of the file while (decoder.readSamples(sampleArray, 0, sampleArray.length) > 0) {} } Can anyone tell me why this is taking so long?

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  • Selecting only the first item of an xpath result set in PHP

    - by IkimashoZ
    I am currently achieving the desired outcome with two PHP statements: $thisBlarg = $xmlResource->xpath('//blarg[@ID='.$someBlargID.']'); echo $thisBlarg[0]->name; But, not wanting to settle for second best, I'd really prefer this to be one statement, but PHP doesn't like this: echo $xmlResource->xpath('//blarg[@ID='.$someBlargID.']')[0]->name; And for good reason. But I can't find a way to force an xpath query to return the result directly. Any suggestions?

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  • How to distinguish between <expr> and non-<expr> mappings?

    - by ZyX
    I want to add a possibility of restoring mappings overwritten by my plugin. But the problem is that I cannot distinguish between the following mappings: inoremap <expr> @ test and inoremap @ test First mapping inserts the contents of the variable test, while second inserts text «test». Both mappings give maparg("@", 'i')=="test" and identical output of inoremap i.

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  • what plugin execute at first on zend framework?

    - by ulduz114
    hello i registered 2 plugin in my project on zend framework the first one in application.ini this is for change layout resources.frontController.plugins.LayoutSet="App_Plugins_LayoutSet" and second in the registred in the bootstrap $fc= Zend_Controller_Front::getInstance(); $fc->registerPlugin(new App_Plugins_AccessCheck($this->_acl)); 2 plugin work fine , i want to know what plugin execute at first , can we change prior's execute for these plugin?

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  • Struts:JSON:return multiple objects

    - by cp
    Hello Is it possible to return multiple JSON objects in the request header with Struts1? I am presently returning a single JSON objects, however the need now is to return a second data structure. All the client-side processing works perfectly for the single data structure in the single JSON objects, I really do not want to complicate it by putting two hetrogenous data structures in a single return JSON object. tia.

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  • Bash: Is it ok to use same input file as output of a piped command?

    - by Amro
    Consider something like: cat file | command > file Is this good practice? Could this overwrite the input file as the same time as we are reading it, or is it always read first in memory then piped to second command? Obviously I can use temp files as intermediary step, but I'm just wondering.. t=$(mktemp) cat file | command > ${t} && mv ${t} file

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  • SQL Server 2008 takes up a lot of memory?

    - by Ahmed Said
    I am conducting stress tests on my database, which is hosted on SQL Server 2008 64-bit running on a 64-bit machine with 10 GB of RAM. I have 400 threads. Each thread queries the database every second, but the query time does not take time, as the SQL profiler says that, but after 18 hours SQL Server uses up 7.2 GB of RAM and 7.2 GB of virtual memory. Is this normal behavior? How can I adjust SQL Server to clean up unused memory?

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  • Netbeans code templates' modifiers

    - by hsz
    Hello ! I set a new PHP code template in Netbeans: /* @var $$${name}Table Model_${name}_Table */ $$${name}Table = Container::get('model')->get('${name}_Table'); and if I use as ${name} some value - shop - I have in output: /* @var $shopTable Model_shop_Table */ $shopTable = Container::get('model')->get('shop_Table'); Is it possible to add some modifier to the second and fourth ${name} so I will have it started with upper letter ? Shop_Table instead of shop_Table

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  • Exploring the Factory Design Pattern

    - by asksuperuser
    There was an article here: http://msdn.microsoft.com/en-us/library/Ee817667%28pandp.10%29.aspx The first part of tut implemented this pattern with abstract classes. The second part shows an example with Interface class. But nothing in this article discusses why this pattern would rather use abstract or interface. So what explanation (advantages of one over the other) would you give ? Not in general but for this precise pattern.

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  • Making "helper" text in a form be a different color then typed text.

    - by aslum
    <input name="phone" type="text" id="phone" value="Phone #" onfocus="value=''"> I've got two problems here. The main one is I would like the helper text (in this case "Phone Number") to be a different color then the inputted text from the user, to make it easier for the user to differentiate between filled and unfilled fields. The second is that with this methodology (onfocus="value''") if you mistype something in a field and come back to it you have to retype the whole thing which isn't really acceptable.

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  • How to get these values with BeautifulSoup?

    - by Damiano
    Hello everybody, I have this html table: <table> <tr> <td class="datax">a</td> <td class="datax">b</td> <td class="datax">c</td> <td class="datax">d</td> </tr> <tr> <td class="datax">e</td> <td class="datax">f</td> <td class="datax">g</td> <td class="datax">h</td> </tr> </table> How to get the second and the fourth value of each <tr> ? If i do: bs.findAll('td', {'class':'datax'}) I get: <td class="datax">a</td> <td class="datax">b</td> <td class="datax">c</td> <td class="datax">d</td> <td class="datax">e</td> <td class="datax">f</td> <td class="datax">g</td> <td class="datax">h</td> it's correct! but I would like to have this result: <td class="datax">b</td> <td class="datax">d</td> <td class="datax">f</td> <td class="datax">h</td> so, the values I want are - b - d - f - h (the second and the forth <td> of each <tr>) Is it possible with BeautifulSoup module? Thank you very much!

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  • which of these modes : cbc,cfb,ctr,ecb,ncfb,nofb,ofb,stream are secure and which are absolute no-no

    - by user393087
    By security I mean that encoded string is indistinguishable from random noise and is different on every encryption of the same text so it is impossible to make a guess on encryption algorithm used or do any dictionary attack on the encoded text. Second: output string length does not correspond to the input string length in easy way, so it is not possible of make guessing on that account. Third: it is possible to verify that the provided password is incorrect so the decoding function could return false instead of supposedly decoded random string.

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  • Prevent delegate method from being called too often

    - by Lord Zsolt
    How would you add a delay between certain method being called? This is my code that I want to only trigger 30 times per second: - (void) scrollViewDidScroll: (UIScrollView*)scrollView { [self performSelector:@selector(needsDisplay) withObject:nil afterDelay:0.033]; } - (void) needsDisplay { [captureView setNeedsDisplay]; } If I leave it like this, it only gets called after the user stopped scrolling. What I want to do is call the method when the user is scrolling, but with a delay of 33 milliseconds between each call.

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