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What is the difference between ng-if and ng-show/ng-hide
...y, the element is removed before any inner directives are processed. Or at least: that's what I make of it.
I observerd and used this in the UI I'm building for my current customer. The entire UI is quite heavily packed, and it had ng-show and ng-hide all over it. Not to go into too much detail, bu...
Execute command without keeping it in history [closed]
...the history file, yet this entry will be readily deleted and no traces (at least in the history file) will be shown.
Also, this is non-permanent.
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GET URL parameter in PHP
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echo filter_input(INPUT_GET, 'link', FILTER_SANITIZE_URL);
Last but not least, you can use the null coalescing operator (available since PHP/7.0) to handle missing parameters:
echo $_GET['link'] ?? 'Fallback value';
sha...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...tash
git pull
Using skip-worktree results in some extra manual work but at least you wouldn’t lose any data if you had any local changes.
File with assume-unchanged flag: Discards all local changes without any possibility to restore them. The effect is like ‘git reset --hard’. ‘git pull’...
Eclipse Optimize Imports to Include Static Imports
...d hit Ctrl + Shift + M (Add Import), it will add it as a static import, at least in Eclipse 3.4.
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Performance optimization strategies of last resort [closed]
...his operation is executing. Try to eliminate use of these operations or at least break them down into their constituent pipelined ops so you can get the benefit of superscalar dispatch on whatever the rest of your program is doing.
Branch mispredicts. These too empty the pipeline. Find cases where t...
Get elements by attribute when querySelectorAll is not available without using libraries?
... the question explicitly requests: "I need a native solution that works at least in IE7". Secondly, that link states that support starts in IE11 even though it actually starts from IE8 - maybe this should be swapped to developer.mozilla.org/en-US/docs/Web/API/Element/… so it actually supports the ...
get just the integer from wc in bash
...ssigning to a variable and that drops the leading spaces automatically (at least that was my experience on the older OSX bash). In other words, lines=`wc -l < $f` results in a variable "line" whose value has no leading spaces.
– cycollins
Jun 11 '19 at 20:47...
Something like 'contains any' for Java set?
...insAny(someCollection1, someCollection2)
That is All!
Returns true if at least one element is in both collections.
Simple to use, and the name of the function is more suggestive.
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How do I install the yaml package for Python?
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The name of the PyYAML package at least on Fedora 21 and CentOS 7 is just PyYAML not python-yaml.
– TNT
Mar 27 '15 at 15:03
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