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Javascript shorthand ternary operator
...d ambiguity, I have replaced my original detailed explanation with the one from Mozilla Developer Network. It should be less ambiguous.
– Tadeck
Jan 16 '12 at 18:00
add a comm...
How do I control how Emacs makes backup files?
...lly creates a backup of the original file the first time the file is saved from a buffer. If you're editing a new file Emacs will create a backup the second time you save the file.
No matter how many times you save the file the backup remains unchanged. If you kill the buffer and then visit the fi...
How to configure static content cache per folder and extension in IIS7?
...ite useful. The Wrox Pro IIS7 book isn't bad either. TBH I learned mostly from the IIS.NET config reference site: iis.net/ConfigReference and from poking about the %systemroot%\system32\inetsrv\config\applicationhost.config file and related friends.
– Kev
Nov ...
How do I create a multiline Python string with inline variables?
...sked (in terms of syntax) are template strings. For example:
>>> from string import Template
>>> t = Template("This is an $example with $vars")
>>> t.substitute({ 'example': "example", 'vars': "variables"})
'This is an example with variables'
I should add though that th...
How do I get the height and width of the Android Navigation Bar programmatically?
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To retrieve orientation from context, use context.getResources().getConfiguration().orientation
– Hugo Gresse
Feb 12 '15 at 14:15
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What is thread safe or non-thread safe in PHP?
...ways choose non-thread safe version because I always use nginx, or run PHP from the command line.
The non-thread safe version should be used if you install PHP as a CGI binary, command line interface or other environment where only a single thread is used.
A thread-safe version should be used if y...
Does Java have a complete enum for HTTP response codes?
... for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
11 Answer...
how to debug the js in jsfiddle
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The JavaScript is executed from the fiddle.jshell.net folder of the Sources tab of Chrome. You can add breakpoints to the index file shown in the Chrome screenshot below.
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What is the JavaScript >>> operator and how do you use it?
I was looking at code from Mozilla that add a filter method to Array and it had a line of code that confused me.
7 Answers
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delete_all vs destroy_all?
I am looking for the best approach to delete records from a table. For instance, I have a user whose user ID is across many tables. I want to delete this user and every record that has his ID in all tables.
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