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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...in either source or
compiled form). Extension modules cannot be imported from zipfiles.
The default search path is installation dependent, but generally
begins with prefix/lib/pythonversion (see PYTHONHOME above). It is
always appended to PYTHONPATH.
An additional directory will be i...
Declaring and initializing variables within Java switches
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Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS:
The scope of a local variable declaration in a block (§14.4) is the rest of the block in which the declaration appears, starting with its own initializer and including any further declarators...
How to calculate date difference in JavaScript?
... to get the difference in milliseconds:
var difference = date2 - date1;
From there, you can use simple arithmetic to derive the other values.
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?
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The sign indicates the offset of the local time from GMT
– Steven Moseley
Jul 2 '13 at 0:50
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How to display all methods of an object?
...-in, they're defined by the browser and most likely enumerable by design.
From ECMA-262 Edition 3:
Global Object
There is a unique global
object (15.1), which is created before
control enters any execution context.
Initially the global object has the
following properties:
• B...
Django vs. Model View Controller [closed]
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Thanks for the great answer. Coming from Rails to Django, this answers one of the things I found most frustrating: why does django put the controller code in a file called views.py!?
– dgmdan
Jul 27 '13 at 14:37
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Create a tar.xz in one command
...which happens to be xz -z -. XZ is configured to compress (-z) the archive from standard input (-).
You redirect the output from xz to the tar.xz file.
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
... table view it will query and which applicable FRC to pull the information from. The FRC delegate methods must also figure out which tableView to update.
It is surprising how much of this is boilerplate code.
Relevant bits of the header file:
@interface BlahViewController : UITableViewController...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...se header for CORS-enabled resources, even for non-CORS requests and those from a disallowed origin (see example why).
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How to delete a file or folder?
...shutil.rmtree() deletes a directory and all its contents.
Path objects from the Python 3.4+ pathlib module also expose these instance methods:
pathlib.Path.unlink() removes a file or symbolic link.
pathlib.Path.rmdir() removes an empty directory.
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