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When is layoutSubviews called?
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Building on the previous answer by @BadPirate, I experimented a bit further and came up with some clarifications/corrections. I found that layoutSubviews: will be called on a view if and only if:
Its own bounds (not frame) changed.
The bounds of one of it...
Install an apk file from command prompt?
...s: adb -d install file.apk installs to the single Android device connected by USB [see] while adb install -d file.apk installs the APK with a possible downgrade [see].
– tanius
Mar 4 '16 at 16:26
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pass **kwargs argument to another function with **kwargs
... (kwargs). But Python expects: 2 formal arguments plus keyword arguments.
By prefixing the dictionary by '**' you unpack the dictionary kwargs to keywords arguments.
A dictionary (type dict) is a single variable containing key-value pairs.
"Keyword arguments" are key-value method-parameters.
Any...
What are the differences between local branch, local tracking branch, remote branch and remote track
...origin
You can see which locations these remote names are shortcuts for, by running git remote -v:
$ git remote -v
bitbucket git@bitbucket.org:flimm/example.git (fetch)
bitbucket git@bitbucket.org:flimm/example.git (push)
origin git@github.com:Flimm/example.git (fetch)
origin git@github.com:Flimm...
How to use protractor to check if an element is visible?
...al visibility.
Example for getting the visibility of an element:
element(by.className('your-class-name')).isDisplayed().then(function (isVisible) {
if (isVisible) {
// element is visible
} else {
// element is not visible
}
});
However, you don't need this if you are ...
Why there is no ConcurrentHashSet against ConcurrentHashMap
...(or map class).
Prior to Java 8, you produce a concurrent hash set backed by a concurrent hash map, by using Collections.newSetFromMap(map)
In Java 8 (pointed out by @Matt), you can get a concurrent hash set view via ConcurrentHashMap.newKeySet(). This is a bit simpler than the old newSetFromMap w...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
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If you want remove all local changes - including files that are untracked by git - from your working copy, simply stash them:
git stash push --include-untracked
If you don't need them anymore, you now can drop that stash:
git stash drop
If you don't want to stash changes that you already stag...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...tution takes place. A parameter in the replacement list, unless preceded
by a # or ## preprocessing token or followed by a ## preprocessing token (see below), is
replaced by the corresponding argument after all macros contained therein have been
expanded. Before being substituted, each argumen...
Listing only directories using ls in Bash?
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@isomorphismes, how did you measure the time? By what means? By the way, I have to say, No. 1 is my favorite.
– Albert
Aug 3 '13 at 1:47
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How do you run a command for each line of a file?
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Read a file line by line and execute commands: 4 answers
This is because there is not only 1 answer...
shell command line expansion
xargs dedicated tool
while read with some remarks
while read -u using dedicated fd, for interactive process...