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How to use the pass statement?
I am in the process of learning Python and I have reached the section about the pass statement. The guide I'm using defines it as being a Null statement that is commonly used as a placeholder.
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Click through div to underlying elements
...phaImageLoader, you can even put transparent .PNG/.GIFs in the overlay div and have clicks flow through to elements underneath.
CSS:
pointer-events: none;
background: url('your_transparent.png');
IE11 conditional:
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='your_transparent.p...
Using braces with dynamic variable names in PHP
...t $variableName between {} :
${$variableName} = $value;
Using {} is only mandatory when the name of your variable is itself a composition of multiple values, like this :
${$variableNamePart1 . $variableNamePart2} = $value;
It is nevertheless recommended to always use {}, because it's more readable...
Removing the fragment identifier from AngularJS urls (# symbol)
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Yes, you should configure $locationProvider and set html5Mode to true:
angular.module('phonecat', []).
config(['$routeProvider', '$locationProvider', function($routeProvider, $locationProvider) {
$routeProvider.
when('/phones', {templateUrl: 'partials/pho...
Core dumped, but core file is not in the current directory?
...e pattern is a '|', the kernel will treat
the rest of the pattern as a command to run. The core dump will be
written to the standard input of that program instead of to a file.
Instead of writing the core dump to disk, your system is configured to send it to the abrt program instead. Automated B...
How can sbt pull dependency artifacts from git?
I've heard (and I know I've seen examples too, if only I can remember where) that sbt can obtain dependencies from a git repo.
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Returning value from called function in a shell script
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@ManuelJordan, Functions can only return exit codes and >&2 logs to stderror, so, the last echo is written to stdout, so, the calling function ONLY captures stdout and not stderr. Assuming execution is single threaded, a better option is to maintain a custom variable sp...
Is it not possible to stringify an Error using JSON.stringify?
...toJSON() may not be defined for Errors specifically, the method is still standardized for objects in general (ref: step 3). So, the risk of collisions or conflicts is minimal.
Though, to still avoid it completely, JSON.stringify()'s replacer parameter can be used instead:
function replaceErrors(ke...
How to install a specific JDK on Mac OS X?
...t I'm a bit surprised to only see downloadable versions for Linux, Windows and Solaris ...
16 Answers
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raw vs. html_safe vs. h to unescape html
...s declared on a helper, just like h, so it can only be used on controllers and views.
"SafeBuffers and Rails 3.0" is a nice explanation on how the SafeBuffers (the class that does the html_safe magic) work.
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