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Using git to get just the latest revision
...ample: git clone --depth=1 <remote_repo_url>
– iDev247
Jan 15 '13 at 23:01
14
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Ruby: Change negative number to positive number?
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Based of the same principle we can even divide the any negative number by -1. However, I was just wondering what can be the benefit of using it over abs method as mentioned by Yacoby
– Apurva Mayank
Mar 20 '18 at 2:55
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How to assertThat something is null with Hamcrest?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How to select .NET 4.5.2 as a target framework in Visual Studio
...that target
the .NET Framework 4.5.2 through Visual Studio and third party IDEs.
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Objective-C ARC: strong vs retain and weak vs assign
..." include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variable assignment
assign is a property attribute that tells the compiler how to synthesize the property's setter implementation
I wo...
Programmatically find the number of cores on a machine
...etermine how many worker threads would be effective? Does one need to consider both the number of cores and hyper-threading? unsigned thread::hardware_concurrency() { SYSTEM_INFO info={0}; GetSystemInfo(&info); return info.dwNumberOfProcessors; }
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Selecting the first “n” items with jQuery
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Thank you, a side requirement of my request was about performances, so this the right answer for me. Thanks to the others for pointing out the :lt selector too.
– Omiod
Dec 8 '09 at 10:33
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Capistrano - clean up old releases
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You can use the :keep_releases variable to override the default of 5. Check this out.
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Creating an empty bitmap and drawing though canvas in Android
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This is probably simpler than you're thinking:
int w = WIDTH_PX, h = HEIGHT_PX;
Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
Bitmap bmp = Bitmap.createBitmap(w, h, conf); // this creates a MUTABLE bitmap
Canvas canvas = new Canvas(bmp);
// ready to draw ...
Breaking loop when “warnings()” appear in R
...ing: oops
> x
[1] NA
Execution continues after tryCatch; you could decide to end by converting your warning to an error
x <- tryCatch({
warning("oops")
}, warning=function(w) {
stop("converted from warning: ", conditionMessage(w))
})
or handle the condition gracefully (continuing...