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scala vs java, performance and memory? [closed]
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263
Scala makes it very easy to use enormous amounts of memory without realizing it. This is usua...
Using Java to find substring of a bigger string using Regular Expression
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12 Answers
12
Active
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How to get the focused element with jQuery?
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752
// Get the focused element:
var $focused = $(':focus');
// No jQuery:
var focused = document.ac...
Retina displays, high-res background images
...to match the original dimensions:
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
.box{
background:url('images/box-bg@2x.png') no-repeat top left;
background-size: 200px 200px;
}
}
EDIT
To add a little more to this answer, here is the retina de...
Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
...emex's link helped me troubleshoot it.
... You need to install libcairo2-dev, libjpeg-dev and libgif-dev packages ...
sudo apt-get install libcairo2-dev libjpeg-dev libgif-dev
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Why is this program erroneously rejected by three C++ compilers?
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173
votes
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Intellij IDEA Java classes not auto compiling on save
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253
UPDATED
For IntelliJ IDEA 12+ releases we can build automatically the edited sources if we ar...
Is < faster than
... SF = OF
(etc...)
Example (Edited for brevity) Compiled with $ gcc -m32 -S -masm=intel test.c
if (a < b) {
// Do something 1
}
Compiles to:
mov eax, DWORD PTR [esp+24] ; a
cmp eax, DWORD PTR [esp+28] ; b
jge .L2 ;...
Command not found error in Bash variable assignment
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When you write:
STR = "foo"
bash tries to run a command named STR with 2 arguments (the strings '=' and 'foo')
When you write:
STR =foo
bash tries to run a command named STR with 1 argument (the string '=foo')
When you write:
STR= foo
bash tries to run the command foo with STR set to the...