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With arrays, why is it the case that a[5] == 5[a]?
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And, of course
("ABCD"[2] == 2["ABCD"]) && (2["ABCD"] == 'C') && ("ABCD"[2] == 'C')
The main reason for this was that back in the 70's when C was designed, computers didn't have much memory (64KB was a lot), so the C compiler didn't do much syntax ...
How do I syntax check a Bash script without running it?
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Also on debian&friends: apt-get install shellcheck
– that other guy
Jul 31 '15 at 1:36
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How do I implement an Objective-C singleton that is compatible with ARC?
...edInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedInstance = [[MyClass alloc] init];
// Do any other initialisation stuff here
});
return sharedInstance;
}
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iOS Image Orientation has Strange Behavior
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I did R&D on it and discovered , every image file has metadata property. If the metadata specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data prope...
How to identify if the DLL is Debug or Release build (in .NET) [duplicate]
..." or "pdb-only"
DebugOutput = (debuggableAttribute.DebuggingFlags &
DebuggableAttribute.DebuggingModes.Default) !=
DebuggableAttribute.DebuggingModes.None
? "Full" : "pdb-only";
}
}
else
{
IsJITOptimized =...
Add line break to 'git commit -m' from the command line
I am using Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim.
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Unix shell script find out which directory the script file resides?
Basically I need to run the script with paths related to the shell script file location, how can I change the current directory to the same directory as where the script file resides?
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Haskell: Where vs. Let
...s of the function f (there are none) and things in outer scopes." - That really helps clarify it for me.
– user295190
Dec 6 '10 at 3:18
add a comment
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Java 8 Streams: multiple filters vs. complex condition
...ation code than a single filter invocation using a lambda expression with &&.
But, as said, this kind of overhead will be eliminated by the HotSpot optimizer and is negligible.
In theory, two filters could be easier parallelized than a single filter but that’s only relevant for rather co...
How do you check if a variable is an array in JavaScript? [duplicate]
...s an array, you must first check if the property is there.
variable.prop && variable.prop.constructor === Array
Some other ways are:
Array.isArray(variable)
Update May 23, 2019 using Chrome 75, shout out to @AnduAndrici for having me revisit this with his question
This last one is, in ...