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Extract a substring according to a pattern
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243
Here are a few ways:
1) sub
sub(".*:", "", string)
## [1] "E001" "E002" "E003"
2) strsplit
sa...
Creating a new directory in C
...ectory", 0700);
}
You can see the manual of these functions with the man 2 stat and man 2 mkdir commands.
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How to git bundle a complete repo
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answered Aug 3 '12 at 12:14
Jakub NarębskiJakub Narębski
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Loop through properties in JavaScript object with Lodash
...it: the accepted answer (_.forOwn()) should be https://stackoverflow.com/a/21311045/528262
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How to implement the --verbose or -v option into a script?
... is already a function (or if you're willing to use print as a function in 2.x using from __future__ import print_function) it's even simpler:
verboseprint = print if verbose else lambda *a, **k: None
This way, the function is defined as a do-nothing if verbose mode is off (using a lambda), inste...
Header files for x86 SIMD intrinsics
...tions you haven't enabled at compile time (e.g. with -march=native or -mavx2 -mbmi2 -mpopcnt -mfma -mcx16 -mtune=znver1 or whatever.)
MSVC and ICC will let you use intrinsics without enabling anything at compile time, but you still should enable AVX before using AVX intrinsics.
Historically (bef...
A field initializer cannot reference the nonstatic field, method, or property
...ere are more details about this compiler error on MSDN - Compiler Error CS0236.
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Is there a way to iterate over a dictionary?
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326
Yes, NSDictionary supports fast enumeration. With Objective-C 2.0, you can do this:
// To prin...
How to list running screen sessions?
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429
To list all of the screen sessions for a user, run the following command as that user:
screen ...