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Insert HTML with React Variable Statements (JSX)
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How does this work if you need to add something to <head>?
– Danielle Madeley
Oct 30 '15 at 3:37
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Convert boolean to int in Java
... Yes, as in (foo && (!bar || baz)) ? 1 : 0. Obviously, if it's just an identifier, the parens aren't necessary or desirable.
– Blrfl
Sep 25 '10 at 12:58
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How should you build your database from source control?
... Do NOT copy data between the environments
How do you deal with potential differences between test and production environments in deployment scripts?
Use templates, so that actually you would produce different set of scripts for each environment (ex. references to external systems, linked databases,...
How do PHP sessions work? (not “how are they used?”)
...ow Does PHP Session Works
Firstly PHP creates a 16-byte long unique identifier number (stored as a string of 32 hexadecimal characters, e.g a86b10aeb5cd56434f8691799b1d9360) for an individual session.
PHPSESSID cookie passes that unique identification number to users' browser to save that number.
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Change File Extension Using C#
I have many file types: pdf, tiff, jpeg, bmp. etc.
My question is how can I change file extension?
I tried this:
5 Answers
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onSaveInstanceState () and onRestoreInstanceState ()
...restore the values in onCreate():
public void onCreate(Bundle icicle) {
if (icicle != null){
value = icicle.getLong("param");
}
}
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Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
... @AlexanderKuznetsov Depends what you're trying to do, I suppose. If you're trying to set the content for the activity, you should be using setContentView(layoutId). If you're trying to add a new view to an existing ViewGroup, you should probably just pass the parent and let the inflater at...
Can we pass parameters to a view in SQL?
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What are the practical differences between this and a view? Can you assign user permissions to only access this function?
– MikeMurko
Oct 22 '12 at 17:44
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Extension method and dynamic object
...pported by dynamic typing in the form of extension methods, i.e. called as if they were instance methods. However, this will work:
dynamic dList = list;
Console.WriteLine(Enumerable.First(dList));
Of course, that may or may not be useful. If you could give more information about why and how you'r...
Is arr.__len__() the preferred way to get the length of an array in Python?
...operty, while yet another uses .count(). Having a language-level keyword unifies the entry point for all these types. So even objects you may not consider to be lists of elements could still be length-checked. This includes strings, queues, trees, etc.
The functional nature of len() also lends its...