大约有 47,000 项符合查询结果（耗时：0.0459秒） [XML]
How to clone a case class instance and change just one field in Scala?
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answered Aug 30 '11 at 20:32
NicolasNicolas
22.9k44 gold badges5757 silver badges6363 bronze badges
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Sqlite LIMIT / OFFSET query
... andybalholm
11.6k22 gold badges2828 silver badges4040 bronze badges
answered Jul 24 '10 at 15:05
Bill KarwinBill Karwin
437k7777...
How can I make setInterval also work when a tab is inactive in Chrome?
I have a setInterval running a piece of code 30 times a second. This works great, however when I select another tab (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason.
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python dataframe pandas drop column using int
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edited Feb 16 '16 at 10:48
frederikf
333 bronze badges
answered Nov 30 '13 at 15:06
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How to shorten my conditional statements
...t in other's code.
Instead of checking if the result of indexOf is >= 0, there is a nice little shortcut:
if ( ~[1, 2, 3, 4].indexOf(test.type) ) {
// Do something
}
Here is the fiddle: http://jsfiddle.net/HYJvK/
How does this work? If an item is found in the array, indexOf returns its ...
Creating a new directory in C
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#include <sys/stat.h>
#include <unistd.h>
struct stat st = {0};
if (stat("/some/directory", &st) == -1) {
mkdir("/some/directory", 0700);
}
You can see the manual of these functions with the man 2 stat and man 2 mkdir commands.
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Matplotlib - global legend and title aside subplots
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edited Mar 13 at 17:30
answered Feb 10 '12 at 0:47
orb...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...NSString = str as NSString
myNSString.substringWithRange(NSRange(location: 0, length: 3))
Note: as JanX2 mentioned, this second method is not safe with unicode strings.
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How can I define a composite primary key in SQL?
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edited Jul 12 '09 at 15:48
answered Jul 10 '09 at 15:46
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How do I get the application exit code from a Windows command line?
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1005
A pseudo environment variable named errorlevel stores the exit code:
echo Exit Code is %error...