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Executing multi-line statements in the one-line command-line?
...e the for loop. Or more specifically, anything appearing before an inlined block.
For example, these all work:
python -c "import sys; print 'rob'"
python -c "import sys; sys.stdout.write('rob\n')"
If import being a statement were an issue, this would work, but it doesn't:
python -c "__import__(...
A migration to add unique constraint to a combination of columns
...ique: true, name: 'uniq_reference_code_per_advertiser'
end
end
OR this block version.
class AddUniquenessConstraintToLocations < ActiveRecord::Migration[5.2]
def change
change_table :locations do |t|
t.index ['reference_code', 'advertiser_id'], name: 'uniq_reference_code_per_adver...
RESTful Authentication
...ful web applications use essentially the same login protocol ($_SESSION in PHP, HttpSession in Java EE, etc.). The cookie header contents are simply used to address a server-side resource, just like an accept-language might be used to access translation resources, etcetera. I feel that it is the sam...
Unit Testing C Code [closed]
... your platform doesn't have them.
With some judicious use of extern "C"{} blocks it also supports testing C++ just fine.
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Cross-browser testing: All major browsers on ONE machine
...Safari on a single Windows machine.
Download: http://sandboxie.com/index.php?DownloadSandboxie
Patch: The extended version is required to enable multiple sandboxes at a time. Pay them or visit YouTube.
Running multiple IE/Safari versions simultaneously requires the extended version. If you don't m...
Why use argparse rather than optparse?
...
There are also new kids on the block!
Besides the already mentioned deprecated optparse. [DO NOT USE]
argparse was also mentioned, which is a solution for people not willing to include external libs.
docopt is an external lib worth looking at, which uses...
What is the difference between Amazon SNS and Amazon SQS?
...t want an external service to make connections to your hosts (firewall may block all incoming connections to your host from outside). Your end point may just die because of heavy volume of messages. Email and SMS maybe not your choice of processing messages quickly. By coupling SNS with SQS, you can...
Wrapping a C library in Python: C, Cython or ctypes?
... C/Python extension module. But PyUSB wasn't releasing the GIL when doing blocking reads/writes, which was causing problems for us. So I wrote our own module using ctypes, which does release the GIL when calling the native functions.
One thing to note is that ctypes won't know about #define const...
Creating an Android trial application that expires after a fixed time period
...case STATUS_TRIAL_JUST_ENDED:
//The trial has just ended - block access to the premium features
break;
case STATUS_TRIAL_NOT_YET_STARTED:
//The user hasn't requested a trial yet - no need to do anything
break;
ca...
Color in git-log
...onfiguration, while --pretty offers the same information through %d as one block, meaning you cannot have the same fine-grained level of color configuration with --pretty than you have with --decorate.
– VonC
May 5 '11 at 16:34
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