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JavaScript :How to set a Conditional Break Point in Chrome debugger tools
...r Tools on Breakpoints at developers.google.com (Emphasis mine):
Note: All the breakpoints you have set appear under Breakpoints in the right-hand sidebar. Clicking on the entry jumps to the highlighted line in the source file. Once you have a breakpoint set, right click on the blue tag breakpoi...
How does comparison operator works with null int?
...s, if the value of one of the nullable types is null and the other is not, all comparisons evaluate to false except for !=
So both a > b and a < b evaluate to false since a is null...
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What is the relationship between Looper, Handler and MessageQueue in Android?
...: it reads and processes items from a MessageQueue. The Looper class is usually used in conjunction with a HandlerThread (a subclass of Thread).
A Handler is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runnable objects to the thread's MessageQueue. Wh...
Send POST Request with Data Specified in File via Curl
...l" \
--data-binary "@path/to/file"
In the example above, -i prints out all the headers so that you can see what's going on, and -X POST makes it explicit that this is a post. Both of these can be safely omitted without changing the behaviour on the wire. The path to the file needs to be preced...
Preserve line endings
... run sed to do some substitution on windows and I noticed that it automatically converts line endings to Unix (\n). Is there an option to tell sed to use Windows line endings (\r\n) or even better to preserve the line endings from the file?
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PHP Error handling: die() Vs trigger_error() Vs throw Exception
...ur application can fail and you want your code to recover across multiple call-levels.
trigger_error() lets you fine-grain error reporting (by using different levels of error messages) and you can hide those errors from end-users (using set_error_handler()) but still have them be displayed to you d...
Is it possible to have a Subversion repository as a Git submodule?
...system('git svn fetch && git gc --quiet')
#fix-svn-refs.sh makes all the svn branches/tags pullable
os.system('fix-svn-refs.sh')
#Update the master branch
os.system('git fetch . +svn/git-svn:master && git gc --quiet')`
This also requires fix-svn-refs.sh from http://www.shat...
How does “do something OR DIE()” work in PHP?
...ngerous, because you can have statements that you think get executed but really don't, and that's not as obvious as if you had an if block.
– Petruza
Aug 7 '09 at 15:34
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Get hostname of current request in node.js Express
...y have several Network Cards and unless you specify it node will listen on all of them, so you don't know on which NIC the request came in, before it comes in.
Hostname is a DNS matter --
Don't forget that several DNS aliases can point to the same machine.
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jQuery removeClass wildcard
Is there any easy way to remove all classes matching, for example,
18 Answers
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