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Do I set properties to nil in dealloc when using ARC?
I am trying to learn Automatic Reference Counting in iOS 5. Now the first part of this question should be easy:
2 Answers
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Bash: Copy named files recursively, preserving folder structure
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@arod ${!#} is the last param and use this to get the preceding arguments stackoverflow.com/questions/1215538/…. If you write the command, please link to the gist here.
– mahemoff
Nov 5 '12 at 13:37
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Can I arrange repositories into folders on Github?
...t projects like webdesign, wordpress themes and different types of applications. And some of these also belong to bigger projects because they were about testing some stuff as a different application.
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...).fill(1).map((x, y) => x + y)
And if you need a function with a step param:
const range = (start, stop, step = 1) =>
Array(Math.ceil((stop - start) / step)).fill(start).map((x, y) => x + y * step)
share
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Is it expensive to use try-catch blocks even if an exception is never thrown?
We know that it is expensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown?
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what is the difference between 'transform' and 'fit_transform' in sklearn
...In scikit-learn estimator api,
fit() : used for generating learning model parameters from training data
transform() :
parameters generated from fit() method,applied upon model to generate transformed data set.
fit_transform() :
combination of fit() and transform() api on same data set
Checkou...
Grasping the Node JS alternative to multithreading
...ode.js server has an internal thread pool so it can perform blocking operations and notify the main thread with a callback or event when things complete.
So I imagine that it will make limited use of another core for the thread pool, for example if you do a non-blocking file system read this is li...
Deleting all pending tasks in celery / rabbitmq
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For Celery 2.x and 3.x:
When using worker with -Q parameter to define queues, for example
celery worker -Q queue1,queue2,queue3
then celery purge will not work, because you cannot pass the queue params to it. It will only delete the default queue.
The solution is to start...
Boolean literals in PowerShell
...oolean literals $true and $false also work as is when used as command line parameters for PowerShell (PS) scripts. For the below PS script which is stored in a file named installmyapp.ps1:
param (
[bool]$cleanuprequired
)
echo "Batch file starting execution."
Now if I've to invoke this PS fi...
PHP DOMDocument loadHTML not encoding UTF-8 correctly
...nglish characters do not cause any problem when you use saveHTML() without parameters (because English characters are saved as single byte characters in UTF-8)
The problem happens when you have multi-byte characters (such as Chinese, Russian, Arabic, Hebrew, ...etc.)
I recommend reading this artic...