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uppercase first character in a variable with bash
... Despite being more complex than the best scored answer, this one actually does exactly that: 'uppercase first character in a variable'. Best scored answer does not have that results. Looks like simple answers are upvoted more willingly than the correct ones?
– Krzysztof Jabło...
The point of test %eax %eax [duplicate]
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This checks if EAX is zero. The instruction test does bitwise AND between the arguments, and if EAX contains zero, the result sets the ZF, or ZeroFlag.
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iPad/iPhone hover problem causes the user to double click a link
... following events are never fired.
mousemove
mousedown
mouseup
click
It does not seem possible to simply tell the webbrowser to skip the mouse events.
What's worse, if a mouseover event changes the page content, the click event is never fired, as explained on Safari Web Content Guide - Handling ...
How to sort a file, based on its numerical values for a field?
...; numbers, for example filenames of rolling logs then sorting with sort -n doesn't work as expected:
$ ls |sort -n
output.log.1
output.log.10
output.log.11
output.log.12
output.log.13
output.log.14
output.log.15
output.log.16
output.log.17
output.log.18
output.log.19
output.log.2
output.log.20
outp...
Simulator error FBSSystemServiceDomain code 4
... Resetting contents and settings and resetting contents and settings does not help the situation. Just retry and eventually you'll win the race condition. This issue is discussed in the Apple Developer Forums and Xcode Release Notes.
– Jeremy Huddleston Sequoia
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Where are shared preferences stored?
...ou can use new FIle(context.getFilesDir().getParent(), "shared_prefs"). It does work on Nexus 5, not sure about other manufactures.
– gswierczynski
May 14 '15 at 18:39
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What is the difference between assert, expect and should in Chai?
...ssert and expect interfaces do not modify Object.prototype, whereas should does. So they are a better choice in an environment where you cannot or do not want to change Object.prototype.
The assert and expect interfaces support custom messages just about everywhere. For instance:
assert.isTrue(foo,...
How to use sed to remove the last n lines of a file
... To add to @WilliamPursell's answer... On Mac OS default shell, this does not work.
– JDS
Jan 8 '15 at 21:11
7
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How can I add a class to a DOM element in JavaScript?
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This method is better than overwriting the className property, because it doesn't remove other classes and doesn't add the class if the element already has it.
You can also toggle or remove classes using element.classList (see the MDN documentation).
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Why is char[] preferred over String for passwords?
...r may clear all memory as it goes, to avoid this sort of thing. Even if it does, there's still the time during which the char[] contains the actual characters as an attack window.
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