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What's the difference between tilde(~) and caret(^) in package.json?
...versions, without incrementing the minor version. ~1.2.3 will use releases from 1.2.3 to <1.3.0.
^version “Compatible with version”, will update you to all future minor/patch versions, without incrementing the major version. ^2.3.4 will use releases from 2.3.4 to <3.0.0.
See Comments be...
Creating default object from empty value in PHP?
...$res = NULL;
$res->success = false; // Warning: Creating default object from empty value
PHP will report a different error message if $res is already initialized to some value but is not an object:
$res = 33;
$res->success = false; // Warning: Attempt to assign property of non-object
In o...
Using cURL with a username and password?
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Note that if you do this from the console the password will remain in the history which is ... wrong. You should specify just -u user and CURL will ask you for the password in no-echo mode.
– Cristian Vrabie
Apr...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...on in any thinkable format. You may also extract the date/time information from any file with date.exe.
Examples: (in a cmd-script use %% instead of %)
date.exe +"%Y-%m-%d"
2009-12-22
date.exe +"%T"
18:55:03
date.exe +"%Y%m%d %H%M%S: Any text"
20091222 185503: Any text
date.exe +"Text: %y/...
Return XML from a controller's action in as an ActionResult?
What is the best way to return XML from a controller's action in ASP.NET MVC? There is a nice way to return JSON, but not for XML. Do I really need to route the XML through a View, or should I do the not-best-practice way of Response.Write-ing it?
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What is the difference between concurrent programming and parallel programming?
...llel execution and parallel programming are not the same thing. The answer from Jon Harrop is correct. But it seems that the question itself confuses parallel execution and parallel programming.
– Blaisorblade
Aug 20 '11 at 21:52
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How to use 'cp' command to exclude a specific directory?
...pied before performing real operation, and if everything is ok, remove -n from command line.
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How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
20...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
... contents byte-by-byte. The best way for our software is to start the work from the beginning of the file, follow it byte-by-byte to the end.
-- Hey, Hasan, I suppose you are either a newbie or very old school from my Grandfather's time!!! Why don't you create some threads and make it much faster?
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Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
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