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Associative arrays in Shell scripts
...you can use test -z ${variable+x} (the x doesn't matter, that could be any string). For an associative array in Bash, you can do similar; use test -z ${map[key]+x}.
– Brian Campbell
Feb 6 '14 at 5:00
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In Python, how do I indicate I'm overriding a method?
...
This is also nice for doc strings! overrides could copy the docstring of the overridden method if the overriding method doesn't have one of its own.
– letmaik
May 29 '14 at 10:20
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Rails nested form with has_many :through, how to edit attributes of join model?
... }
}
Notice how linkers_attributes is actually a zero-indexed Hash with String keys, and not an Array? Well, this is because the form field keys that are sent to the server look like this:
topic[name]
topic[linkers_attributes][0][is_active]
topic[linkers_attributes][0][article_attributes][title...
node.js fs.readdir recursive directory search
... ) the stderr and stdout are Buffers.. so wouldn't you need to do stdout.toString.split("\n") since Buffers are not Strings?
– Cheruvim
Nov 18 '14 at 22:20
8
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Fastest way to convert Image to Byte array
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public static byte[] ReadImageFile(string imageLocation)
{
byte[] imageData = null;
FileInfo fileInfo = new FileInfo(imageLocation);
long imageFileLength = fileInfo.Length;
FileStream fs = new FileStream(imageLocation, FileM...
What's the difference between tilde(~) and caret(^) in package.json?
...sibilities
Set starting major-level and allow updates upward
* or "(empty string) any version
1 v >= 1
Freeze major-level
~0 (0) 0.0 <= v < 1
0.2 0.2 <= v < 1 // Can't do that with ^ or ~
~1 (1, ^1) 1 <= v < 2...
What's the fuss about Haskell? [closed]
...ust wrong. This program will read the entire file, unless you use lazy Bytestrings (which you can do with Data.Bytestring.Lazy.readFile), which have nothing to do with Haskell being a lazy (non-strict) language. Monads are sequencing -- this means roughly "all the side-effects are done when you take...
How can I get the executing assembly version?
...y(typeof(MyWebProject.Mvc.Controllers.HomeController)).GetName().Version.ToString(2))
– James McCormack
Mar 6 '14 at 15:19
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What is a mutex?
...ad = new Thread(new ThreadStart(ThreadProc));
newThread.Name = String.Format("Thread{0}", i + 1);
newThread.Start();
}
// The main thread exits, but the application continues to
// run until all foreground threads have exited.
}
private stati...
How do I script a “yes” response for installing programs?
...ds_user_input << EOF
y
y
y
EOF
Or if your shell supports it a here string:
./script <<< "y
y
y
"
Or you can create a file with one input per line:
./script < inputfile
Again, all credit for this answer goes to the author of the answer on askubuntu.com, lesmana.
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