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Any equivalent to .= for adding to beginning of string in PHP?
...t something prepended onto it.
You could say the checks are optional, but by having that in there you don't need to worry about passing in a null value by accident.
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...xact comparisons with:
if ([myObject class] == [MyClass class])
but not by using directly MyClass identifier.
Similarily, you can find if the object is of a subclass of your class with:
if ([myObject isKindOfClass:[AnObject class]])
as suggested by Jon Skeet and zoul.
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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...very usage of "window" and "undefined" can be replaced with a shorter name by the minifyer.
– TLindig
Jun 6 '13 at 8:05
2
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Node package ( Grunt ) installed but not available
...ossibly sudo npm install -g grunt-cli ).
You can establish that's working by typing grunt --version
Now you can install the current version of Grunt local to your project. So from your project's location...
npm install grunt --save-dev
The save-dev switch isn't strictly necessary but is a good ...
What is the difference between $(command) and `command` in shell programming?
...
July 2014: The commit f25f5e6 (by Elia Pinto (devzero2000), April 2014, Git 2.0) adds to the nesting issue:
The backquoted form is the traditional method for command substitution, and is supported by POSIX.
However, all but the simplest uses become c...
Difference between char* and const char*?
...red up with the use of a variable after the statements mentioned above and by giving reference to that variable.
– ankit.karwasra
Oct 8 '13 at 9:16
3
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Are custom elements valid HTML5?
...manner.
Custom elements are new types of DOM elements that can be defined by
authors. Unlike decorators, which are stateless and ephemeral, custom
elements can encapsulate state and provide script interfaces.
Custom elements is a part of a larger W3 specification called Web Components, along with ...
How to hide keyboard in swift on pressing return key?
...e semicolon after "true" isn't required anymore
– 36 By Design
Apr 4 '16 at 16:07
1
isn't it a re...
Unable to copy ~/.ssh/id_rsa.pub
...from a Gilles, a fellow user from askubuntu:
The clipboard is provided by the X
server. It doesn't matter
whether the server is headless or not, what matters is that your local
graphical session is available to programs running on the remote
machine. Thanks to X's network-transparent des...
How To Check If A Key in **kwargs Exists?
...eas listed here , which work on regular var's, but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists?
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