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How to determine if a string is a number with C++?
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Also doesn't handle negative numbers and non-whole numbers. We can't know what the requirements are based on the question.
– Brennan Vincent
Jan 11 '11 at 6:24
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How do I concatenate strings in Swift?
...hange its value once you have set it. You can still add it to other things and create new variables though.
var creates a variable. (sort of like NSMutableString) so you can change the value of it. But this has been answered several times on Stack Overflow, (see difference between let and var).
No...
Rails: Is there a rails trick to adding commas to large numbers?
... rather than putting what they would consider a decimal point between thousands. See coloradoblue answer below.
– Kyle Heironimus
Dec 16 '13 at 14:13
1
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Pass array to ajax request in $.ajax() [duplicate]
...nfo=arrayasvalues instead of every key is a param?
– Andres Ramos
Sep 27 '16 at 15:35
do you mean info=0,1 ?
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Can I get the name of the currently running function in JavaScript?
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In ES5 and above, there is no access to that information.
In older versions of JS you can get it by using arguments.callee.
You may have to parse out the name though, as it will probably include some extra junk. Though, in some i...
json_encode/json_decode - returns stdClass instead of Array in PHP
...round, IMO. What if you want json-encoded objects to be decoded as objects and json-decoded associative arrays to be decoded as associative arrays, automatically? Using the second parameter to json_decode() implies some sort of human intervention. Frankly, this is sucky (of PHP, not of this answer)
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How do I enable/disable log levels in Android?
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A common way is to make an int named loglevel, and define its debug level based on loglevel.
public static int LOGLEVEL = 2;
public static boolean ERROR = LOGLEVEL > 0;
public static boolean WARN = LOGLEVEL > 1;
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public static boolean VERBOSE = LOGLEVEL > 4;
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How do I include a newline character in a string in Delphi?
...g(#13#10) {$ENDIF};
This is from Delphi 2009 (notice the use of AnsiChar and AnsiString). (Line wrap added by me.)
So if you want to make your TLabel wrap, make sure AutoSize is set to true, and then use the following code:
label1.Caption := 'Line one'+sLineBreak+'Line two';
Works in all vers...
Removing all non-numeric characters from string in Python
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and that could be: from re import sub
– James Koss
May 6 '19 at 21:34
add a comment
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Multiple file extensions in OpenFileDialog
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I have Filter = "BMP|*.bmp|GIF|*.gif|JPG|*.jpg|PNG|*.png|TIFF|*.tiff"
and I want to create groups so JPG are *.jpg and *.jpeg, TIFF are *.tif and *.tiff and also 'All graphic types'? How can I do that?
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