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iOS difference between isKindOfClass and isMemberOfClass
...conditional statement to indicate any distinct implementation of the views based on their immediate instance class
– NoodleOfDeath
Jul 2 '14 at 13:48
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Can a shell script set environment variables of the calling shell? [duplicate]
...can do is to write a script that emits the correct commands for tcsh
or sh based how it's invoked. If you're script is "setit" then do:
ln -s setit setit-sh
and
ln -s setit setit-csh
Now either directly or in an alias, you do this from sh
eval `setit-sh`
or this from csh
eval `setit-csh`
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R - Concatenate two dataframes?
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if you're rbind is coming from base for some strange reason: I used rbind.data.frame
– Boern
May 2 '18 at 12:42
add a comment
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...Additionally, when the dplyr library is loaded it even reports masking the base setdiff() function that works on two vectors: stat.ethz.ch/R-manual/R-devel/library/base/html/sets.html. Maybe you have loaded the lubridate library after dplyr and it is suggesting it as the source in the tabcomplete li...
Rails 4 - Strong Parameters - Nested Objects
...gotten the class name but it's something like ActionController::Parameters based on this page).
– nayiaw
Apr 18 '18 at 10:12
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Null coalescing in powershell
... 'Unknown' -ne $null)[0] | Write-Output
Explanation
This explanation is based on an edit suggestion from an anonymous user. Thanks, whoever you are!
Based on the order of operations, this works in following order:
The , operator creates an array of values to be tested.
The -ne operator filter...
Learning Ant path style
...ncepts and Types" => [List of Types] left menu section => "Directory-based Tasks" => [Patterns] page section.
– informatik01
Feb 25 '14 at 14:55
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What's the proper way to install pip, virtualenv, and distribute for Python?
...nterpreter you want for your first environment:
PYTHON=$(which python)
URL_BASE=https://pypi.python.org/packages/source/v/virtualenv
# --- Real work starts here ---
curl -O $URL_BASE/virtualenv-$VERSION.tar.gz
tar xzf virtualenv-$VERSION.tar.gz
# Create the first "bootstrap" environment.
$PYTHON vi...
How to disassemble one single function using objdump?
...ed. Is it possible to disassemble all of them or I should disassemble them based on raw address?
– TheAhmad
Jan 25 at 14:36
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Create objective-c class instance by name?
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The OP's use-case is more than legit - it is the base for any serialization of object hierarchy to file/memory-block/plist/whatever. Many times you DO NOT KNOW in advance which classes you'll need to instantiate. My use-case is the tedious need to "register" gazillion "NSVa...