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Extracting bits with a single multiplication
...). This sum is 5, and combined with the earlier 4 we get a magic number of 20, or 00010100. The original was 00a00b00 after masking; the multiplication gives:
000000a00b000000
00000000a00b0000 +
----------------
000000a0ab0b0000
xxxxxxxxab......
From this approach you can extend to larger numbers...
Is it better practice to use String.format over string Concatenation in Java?
...r position)? Thanks.
– markvgti
Aug 20 '11 at 7:28
13
Better late than never, random Java version...
Using reCAPTCHA on localhost
... I checked to confirm whether the words were on that page. It was gone! In 2015, you can find the above quote @ developers.google.com/recaptcha/docs/start
– Joshua Plicque
Jan 14 '15 at 20:10
...
How to prevent Browser cache for php site
...o like below Option 1:
<meta http-equiv="expires" content="Sun, 01 Jan 2014 00:00:00 GMT"/>
<meta http-equiv="pragma" content="no-cache" />
And if you want to control it through PHP: do it like below Option 2:
header('Expires: Sun, 01 Jan 2014 00:00:00 GMT');
header('Cache-Control: n...
Importing modules from parent folder
...lt;parent_folder>")
– BCJuan
Nov 20 '19 at 16:12
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Where does git config --global get written to?
...
Update 2016: with git 2.8 (March 2016), you can simply use:
git config --list --show-origin
And with Git 2.26 (Q1 2020), you can add a --show-scope option
git config --list --show-origin --show-scope
You will see which config is s...
Creating a CSS3 box-shadow on all sides but one
...; /* line shadow */
}
add shadows to tabs:
#nav li a {
margin-left: 20px;
padding: .7em .5em .5em .5em;
font-size: 1.3em;
color: #FFF;
display: inline-block;
text-transform: uppercase;
position: relative;
box-shadow: 0 0 8px 2px #888; /* the shadow */
}
...
Protecting executable from reverse engineering?
...
– Thorbjørn Ravn Andersen
Jun 26 '11 at 20:57
2
@Rotsor: The computer cannot understand it because we...
How can I resize an image using Java?
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edited Jan 20 '19 at 6:25
answered Oct 28 '08 at 17:50
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#pragma once vs include guards? [duplicate]
...to figure out.
– chen
Mar 27 '19 at 20:11
2
This is the correct reason. Forget performance—we s...