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What is the purpose of a plus symbol before a variable?
...icating the if on whether or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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How do I redirect to another webpage?
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One does not simply redirect using jQuery
jQuery is not necessary, and window.location.replace(...) will best simulate an HTTP redirect.
window.location.replace(...) is better than using window.location.href, because replace() does not keep the originating page in the session history, mea...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...x:20 if strcmp(y, "hello") == 0
20 is line number, x can be any filename and y can be any variable.
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Change Image of ImageView programmatically in Android
...ricyicy says, the problem is that the xml is defining the background image and the code is changing the resource image. Those are not the same. Setting the resource image is what is actually desired here, so the xml should be fixed.
– Martin Epsz
Oct 20 '15 at ...
What does “xmlns” in XML mean?
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It defines an XML Namespace.
In your example, the Namespace Prefix is "android" and the Namespace URI is "http://schemas.android.com/apk/res/android"
In the document, you see elements like: <android:foo />
Think of the namespace prefix as a variable with a short name alias for the full n...
How to get enum value by string or int
...Johannes What do you mean by that? There is a generic way, refer my answer and others too.
– Sriram Sakthivel
May 9 '14 at 12:39
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What does “%” (percent) do in PowerShell?
... alias for ForEach-Object:
> Get-Alias -Definition ForEach-Object
CommandType Name Definition
----------- ---- ----------
Alias % For...
What character to use to put an item at the end of an alphabetic list?
...ct, I believe any of the Private Use characters will work. () Just copy and paste the character between the brackets.
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Cross field validation with Hibernate Validator (JSR 303)
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Each field constraint should be handled by a distinct validator annotation, or in other words it's not suggested practice to have one field's validation annotation checking against other fields; cross-field validation should be done at the class level. Addit...
How do I handle newlines in JSON?
I've generated some JSON and I'm trying to pull it into an object in JavaScript. I keep getting errors. Here's what I have:
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