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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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How can I set the request header for curl?
... answered Sep 5 '13 at 20:39
DavidGDavidG
3,00722 gold badges2525 silver badges4141 bronze badges
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Remove the first character of a string
...xes from the string and returns the new one'
return ''.join((char for idx, char in enumerate(string) if idx not in indexes))
it deletes all the chars that are in indexes; you can use it in your case with del_char(your_string, [0])
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What is the correct way to get a subarray in Scala?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Getting current unixtimestamp using Moment.js
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Not valid anymore. See @kumar chandraketu answer below.
– kaiser
Feb 16 at 6:19
1
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Ruby: How to iterate over a range, but in set increments?
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Sorry, but the ruby style guide strongly discourages the use for loops.
– Darth Egregious
Apr 10 '15 at 16:58
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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 ...
How to create major and minor gridlines with different linestyles in Python
...ng matplotlib.pyplot to create graphs and would like to have the major gridlines solid and black and the minor ones either greyed or dashed.
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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
...nty of advanced coders that have made that mistake, so no need to feel stupid. :)
– MrGumble
May 31 '13 at 12:07
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