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Null vs. False vs. 0 in PHP
...ting means it also failed the filter?)
Methods returning false/null/string/etc interchangeably is a hack when the author care about the type of failure, for example, with filter_input() you can check for ===false or ===null if you care why the validation failed. But if you don't it might be a pitfal...
Difference between variable declaration syntaxes in Javascript (including global variables)?
...ernal.js */
console.info(varDeclaration == true); // could be .log, alert etc
// returns false in IE8
console.info(noVarDeclaration == true); // could be .log, alert etc
// returns false in IE8
console.info(window.hungOnWindow == true); // could be .log, alert etc
// returns true in IE8
console....
How do I get the full path to a Perl script that is executing?
...rking directory if the script is at or below the CWD
Additionally, cwd(), getcwd() and abs_path() are provided by the Cwd module and tell you where the script is being run from
The module FindBin provides the $Bin & $RealBin variables that usually are the path to the executing script; this modul...
“Inner exception” (with traceback) in Python?
...
raise MyException(str(e)), ..., etc.
– Glenn Maynard
Aug 31 '09 at 2:52
23
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指定组件的大小 · App Inventor 2 中文网
...大小
When you create a visible component in the designer, you are typically given the opportunity to specify its height and width. There are four choices:
Automatic: Size is chosen by the system
Fill parent: Size is chosen to fill the space available.
Size specified in pixels
Size in p...
psql: FATAL: Ident authentication failed for user “postgres”
...
Edit the file /etc/postgresql/8.4/main/pg_hba.conf and replace ident or peer by either md5 or trust, depending on whether you want it to ask for a password on your own computer or not.
Then reload the configuration file with:
/etc/init.d/p...
Recommendations of Python REST (web services) framework? [closed]
...e a one-size-fits-all framework, you'll start to use its ORM, its plugins, etc. just because it's easy, and in no time you end up having a dependency that is very hard to get rid of.
Choosing a web framework is a tough decision, and I would avoid picking a full stack solution just to expose a REST ...
Any way to delete in vim without overwriting your last yank? [duplicate]
... I would prefer nnoremap d "_d so dd remains dd and likewise d$ etc.
– abhishek77in
Oct 16 '13 at 8:44
2
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How to trim a string in SQL Server before 2017?
...so consider disallowing other characters (tab, carriage return, line feed, etc) that may cause problems.
It may also be a good time to split those Names into family_name, first_name, etc :)
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Add custom messages in assert?
...an define your own macro/function, using __FILE__, __BASE_FILE__, __LINE__ etc, with your own function that takes a custom message
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