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Is there a TRY CATCH command in Bash
...
Based on some answers I found here, I made myself a small helper file to source for my projects:
trycatch.sh
#!/bin/bash
function try()
{
[[ $- = *e* ]]; SAVED_OPT_E=$?
set +e
}
function throw()
{
exit $1
}
function catch()
{
export ex_code=$?
(( $SAVED_OPT_E )) &...
Can I use Objective-C blocks as properties?
...ocumentation, which states precisely what to use:
Apple doco.
In your .h file:
// Here is a block as a property:
//
// Someone passes you a block. You "hold on to it",
// while you do other stuff. Later, you use the block.
//
// The property 'doStuff' will hold the incoming block.
@property (cop...
Xcode 4 and Core Data: How to enable SQL Debugging
... Any way to print this -com.apple.CoreData.MigrationDebug 1 on string file, so that user can upload the log file
– rhlnair
Aug 22 '14 at 10:42
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Can I use assert on Android devices?
...ttings is not persisted on your phone then you can create /data/local.prop file with properties like:
dalvik.vm.enableassertions=all
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When and why should I use fragments in Android applications? [duplicate]
...mething? So to use a fragment, do we just have (for example) a main layout file and then use <include fragement code here/> inside that file whereever we want to include a fragment? And maybe if we dont want a fragment to always be there either hide it and show it when needed or inject it when...
How can I recover the return value of a function passed to multiprocessing.Process?
...indows or Jupyter Notebook, with multithreading you have to save this as a file and execute the file. If you do it in a command prompt you will see an error like this:
AttributeError: Can't get attribute 'worker' on <module '__main__' (built-in)>
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What is a StoryBoard ID and how can i use this?
... Added another edit showing how to access the storyboard from any file.
– Eric
Dec 13 '12 at 20:20
1
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Multiprocessing: How to use Pool.map on a function defined in a class?
...ork on giant iterables -> it causes a OSError: [Errno 24] Too many open files due to the number of pipes it opens.
– Eiyrioü von Kauyf
Jan 18 '13 at 19:19
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Reset the database (purge all), then seed a database
...set which drops and then recreates the database and includes your seeds.rb file.
http://guides.rubyonrails.org/migrations.html#resetting-the-database
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How to switch back to 'master' with git?
...ithub. Then i created a new branch; create a directory 'example' with some files inside and commited the branch. Now i want to get back to the initial stage (master) without the 'example' directory that i've create in the new branch.
– Disco
Sep 14 '11 at 13:45...