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“Eliminate render-blocking CSS in above-the-fold content”
I've been using Google PageSpeed insights to try and improve my site's performance, 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 ha...
Defining an abstract class without any abstract methods
Can I define an abstract class without adding an abstract method?
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Java String array: is there a size of method?
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edited Dec 22 '11 at 19:34
Dave Newton
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Correct Bash and shell script variable capitalization
I run across many shell scripts with variables in all caps, and I've always thought that there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps.
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What does “all” stand for in a makefile?
I read some tutorials concerning Makefiles but for me it is still unclear for what the target "all" stands for and what it does.
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What is pip's equivalent of `npm install package --save-dev`?
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There isn't an equivalent with pip.
Best way is to pip install package && pip freeze > requirements.txt
You can see all the available options on their documentation page.
If it really bothers you, it wouldn't be too difficult to write a ...
How to increment a NSNumber
...usts's one-line answers better. They're more concise, and don't require additional variables.
In order to increment an NSNumber, you're going to have to get its value, increment that, and store it in a new NSNumber.
For instance, for an NSNumber holding an integer:
NSNumber *number = [NSNumber ...
c++11 Return value optimization or move? [duplicate]
...recisely when copy elision is allowed.
Your second version actively prohibits copy elision. The first version is universally better.
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Unusual shape of a textarea?
.... I think this one is currently (in 2013) the one which can be compatible with the largest number of browsers, because it doesn't need any CSS3 properties. However, the method will not work on browsers which doesn't support contentdeditable, be careful.
Solution with a div contenteditable
As propo...
Getting the location from an IP address [duplicate]
I want to retrieve information like the city, state, and country of a visitor from their IP address, so that I can customize my web page according to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, an...