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How can I check if a key is pressed during the click event with jQuery?
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You can easily detect the shift, alt and control keys from the event properties;
$("button").click(function(evt) {
if (evt.ctrlKey)
alert('Ctrl down');
if (evt.altKey)
alert('Alt down');
// ...
});
See quirksmode for more properties. If you want to detect other ...
How to make Java honor the DNS Caching Timeout?
... the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a way to do this in Java.
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reStructuredText tool support
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Salvaging (and extending) the list from an old version of the Wikipedia page:
Documentation
Primer
Cheat Sheet
Quick Reference
Implementations
Although the reference implementation of reStructuredText is written in Python, there are reStructuredText pars...
What does “dereferencing” a pointer mean?
...he pointer may be relative to some specific memory area, which the CPU may select based on CPU "segment" registers or some manner of segment id encoded in the bit-pattern, and/or looking in different places depending on the machine code instructions using the address.
For example, an int* properly ...
How to make git diff --ignore-space-change the default
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I was thinking that from reading that page too. I was hoping someone knew a way that just wasn't documented.... oh well.
– boatcoder
Sep 6 '11 at 0:18
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Why malloc+memset is slower than calloc?
...malloc() and calloc() are mostly there to take small allocations (anything from 1 byte to 100s of KB) and group them into larger pools of memory. For example, if you allocate 16 bytes, malloc() will first try to get 16 bytes out of one of its pools, and then ask for more memory from the kernel when...
How do I install imagemagick with homebrew?
...hen I retried brew install imagemagick and it correctly pulled the package from the new mirror, instead of adamv.
If that does not work, ensure that /Library/Caches/Homebrew does not contain any imagemagick files or folders. Delete them if it does.
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Total size of the contents of all the files in a directory [closed]
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@Arkady I have tried your solution on CentOS and Ubuntu, and there is a small error. You want "du -sbh". The "-h" flag must come last.
– theJollySin
Oct 16 '15 at 22:49
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Bash if [ false ] ; returns true
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Moreover, if your true and false strings are coming from somewhere else, there's a risk that they could actually contain contents other than true or false, and you could get unexpected behavior up to and including arbitrary command execution.
– Charles Du...
What goes into your .gitignore if you're using CocoaPods?
...ag or or commit of each dependency so the Pods themselves can be generated from the podfile, ergo they are more like an intermediate build product than a source and, hence, don't need version control in my project.
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