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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
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10 Answers
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Active
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How to export JavaScript array info to csv (on client side)?
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890
You can do this in native JavaScript. You'll have to parse your data into correct CSV format as ...
How to split a string in Java
I have a string, "004-034556" , that I want to split into two strings:
35 Answers
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How to customize ?
...ill become the visible UI component. */
}
#upload-photo {
opacity: 0;
position: absolute;
z-index: -1;
}
<label for="upload-photo">Browse...</label>
<input type="file" name="photo" id="upload-photo" />
The CSS for the form control will make it appear invis...
How to get started with developing Internet Explorer extensions?
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+500
[UPDATE] I'm updating this answer to work with Internet Explorer 11, in Windows 10 x64 with Visual Studio 2017 Community.
The previou...
Caveats of select/poll vs. epoll reactors in Twisted
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190
For very small numbers of sockets (varies depending on your hardware, of course, but we're talki...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...on.
Base JavaScript language:
Access characters in strings: 'string'[0] isn’t supported in IE as it’s not in the original JavaScript specifications. Use 'string'.charAt(0) or 'string'.split('')[0] noting that accessing items in arrays is significantly faster than using charAt with strings ...
How to enter in a Docker container already running with a new TTY
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1106
With docker 1.3, there is a new command docker exec. This allows you to enter a running contain...
Clang optimization levels
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Documentation of individual passes is available here.
With version 6.0 the passes are as follow:
baseline (-O0):
opt sets: -tti -verify -ee-instrument -targetlibinfo -assumption-cache-tracker -profile-summary-info -forceattrs -basiccg -always-inline -barrier
clang adds : -mdisable-fp-elim ...
Are HLists nothing more than a convoluted way of writing tuples?
...1 = f1.toList // Inferred type is List[Int]
val t2 = (23, ((true, 2.0, "foo"), "bar"), (13, false))
val f2 = flatten(t2)
val t2b = f2.tupled
// Inferred type of t2b is (Int, Boolean, Double, String, String, Int, Boolean)
Without using HLists (or something equivalent) to abstract over the ar...