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Select datatype of the field in postgres

...ble, student_details ( stu_id integer, stu_name varchar(30 ), joined_date timestamp ); 7 Answe...
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can we use xpath with BeautifulSoup?

...ort XPath expressions. An alternative library, lxml, does support XPath 1.0. It has a BeautifulSoup compatible mode where it'll try and parse broken HTML the way Soup does. However, the default lxml HTML parser does just as good a job of parsing broken HTML, and I believe is faster. Once you've pa...
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Favorite (Clever) Defensive Programming Best Practices [closed]

...asis here would be on clever defensive techniques other than those that 70%+ of us here already know about. So now it is time to dig deep into your bag of tricks. ...
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PowerShell says “execution of scripts is disabled on this system.”

... If you're using Windows Server 2008 R2 then there is an x64 and x86 version of PowerShell both of which have to have their execution policies set. Did you set the execution policy on both hosts? As an Administrator, you can set the execution policy by typi...
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What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?

...dern, standardized and very nice equivalent of the above frameworks: JSF 2.0 and Facelets for the presentation, JPA 2.0 for the persistence, Dependency Injection, etc. For a new development, this is IMO a serious option, Java EE 6 is a great stack. See also Choosing a Java Web Framework now? Java...
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What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?

... VerticalOptions = verticalOptions, HeightRequest = 20, Command = new Command(() => { stackLayout.VerticalOptions = verticalOptions; (stackLayout.ParentView as Page).Title = "StackLayout: " + text; }), }); ...
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Input widths on Bootstrap 3

...g 'col-lg-1', the logic you're employing is: IF SCREEN WIDTH < 'lg' (1200px by default) USE DEFAULT BLOCK BEHAVIOUR (width=100%) ELSE APPLY 'col-lg-1' (~95px) See Bootstrap 3 grid system for more info. I hope I was clear otherwise let me know and I'd elaborate. ...
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How to build for armv6 and armv7 architectures with iOS 5

... I just built something today specifying a deployment target of iOS 4.0. With only armv7 specified in Architectures, Xcode warned me that to support anything below iOS4.2 I had to include armv6 in Architectures. Just edit that field, click the "+" button when the dialog pops up and enter the li...
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How to make EditText not editable through XML in Android?

... 404 Use this simple code: textView.setKeyListener(null); It works. Edit : To add KeyListener la...
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Connecting overloaded signals and slots in Qt 5

... peppepeppe 18.9k33 gold badges4242 silver badges6060 bronze badges 1 ...