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“Eliminate render-blocking CSS in above-the-fold content”

...rmance, and so far it's proven extremely successful. Things like deferring scripts worked beautifully, since I already had an in-house version of jQuery's .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular function and move the full scripts to the...
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How to use timeit module

...) y = range(100) and times sum(x) min(y) If you want to have longer scripts you might be tempted to move to timeit inside a Python script. I suggest avoiding that because the analysis and timing is simply better on the command line. Instead, I tend to make shell scripts: SETUP=" ... # lot...
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

...ngo has a new way to load installed app. If you load Django from a Python script (like I was in my custom unit tests), some initialization needs to be done before proceeding and calling setup() is how to do it. Aside from that, kudos to the team, my 1.6.2 to 1.7.1 upgrade seems to an hour's worth ...
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Using the RUN instruction in a Dockerfile with 'source' does not work

... Eh? If you source a script inside a shell that only exists for the command, it's not able to have a lasting effect on any future commands run, assuming that the sum total of its action is setting environment variables. So why would you use sourc...
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How to detect Adblock on my website?

...ds = true; Then somewhere in my page: <html> <head> <script src="/js/prebid-ads.js"></script> </head> <body> <script> if( window.canRunAds === undefined ){ // adblocker detected, show fallback showFallbackImage(); }...
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Why does an SSH remote command get fewer environment variables then when run manually? [closed]

...ereas your normal shell is either a login shell or an interactive shell. Description follows, from man bash: A login shell is one whose first character of argument zero is a -, or one started with the --login option. An interactive shell is one started without non-opt...
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How to reset radiobuttons in jQuery so that none is checked

... @Noldorin "Truthy" and "falsy" are the terms many Javascript experts use, including Brendan Eich and Douglass Crockford. The key term is falsy since boolean evaluations are defined by the 6 falsy values. Truthy is the logical name for the opposite of falsy. I think the use of fa...
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Internet Explorer's CSS rules limits

... A javascript script to count your CSS rules: function countCSSRules() { var results = '', log = ''; if (!document.styleSheets) { return; } for (var i = 0; i < document.styleSheets.length; i++) { ...
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?

...i, IE9) supports self-closing syntax on every element. <div/>, <script/>, <br></br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE. DOCTYPE does not change how document is interpreted. Only MIME type does. W3C decisi...
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if arguments is equal to this string, define a variable like this string

I am doing some bash script and now I got one variable call source and one array called samples , like this: 3 Answers ...