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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method.
Now, the operator notation is a notation for method-call, whi...
SVN+SSH, not having to do ssh-add every time? (Mac OS)
...e, I edited the ~/.ssh/config file (you may have to create it) to point to all the keys I have. Mine has the following:
IdentityFile ~/.ssh/identity
IdentityFile ~/.ssh/id_rsa
IdentityFile ~/.ssh/id_dsa
IdentityFile ~/.ssh/my_other_identity_here
IdentityFile ~/.ssh/yet_another_identity_here
Acco...
How do I auto-hide placeholder text upon focus using css or jquery?
This is done automatically for every browser except Chrome .
26 Answers
26
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How do I see what character set a MySQL database / table / column is?
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This should be merged in the top answer. It really helped me.
– beppe9000
Jan 14 '17 at 16:55
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is it possible to evenly distribute buttons across the width of an android linearlayout
I have a linear layout (oriented horizontally) that contains 3 buttons. I want the 3 buttons to have a fixed width and be evenly distributed across the width of the linear layout.
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Parse string to DateTime in C#
...teTime.Parse() will try figure out the format of the given date, and it usually does a good job. If you can guarantee dates will always be in a given format then you can use ParseExact():
string s = "2011-03-21 13:26";
DateTime dt =
DateTime.ParseExact(s, "yyyy-MM-dd HH:mm", CultureInfo.Invar...
String literals: Where do they go?
I am interested in where string literals get allocated/stored.
8 Answers
8
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String comparison using '==' vs. 'strcmp()'
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@onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
How does the const constructor actually work?
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Const constructor creates a "canonicalized" instance.
That is, all constant expressions begin canonicalized, and later these "canonicalized" symbols are used to recognize equivalence of these constants.
Canonicalization:
A process for converting data that has more than one possible rep...
Moving Files into a Real Folder in Xcode
...proach for 2017 (Xcode 6, 7, 8, and sometimes 9, since it does it automagically some of the time):
If you're moving a bunch of files into a new folder and are keeping the child hierarchy, it's actually a lot easier than moving each file individually:
Create new groups in the Xcode folder tree and...