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Base 64 encode and decode example code

...Charsets: // Sending side byte[] data = text.getBytes(StandardCharsets.UTF_8); String base64 = Base64.encodeToString(data, Base64.DEFAULT); // Receiving side byte[] data = Base64.decode(base64, Base64.DEFAULT); String text = new String(data, StandardCharsets.UTF_8); ...
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How does this giant regex work?

...36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28 is acutally: eval(gzinflate(base64_decode( This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine. <?php print gzinflate(base64_decode("7b1tV...
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]

... @Brian: not with that magic + sign! ¯\_(ツ)_/¯ – jAndy Aug 2 '11 at 11:33 ...
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What is a stored procedure?

...tatype> AS <Body> So for example: CREATE PROCEDURE Users_GetUserInfo @login nvarchar(30)=null AS SELECT * from [Users] WHERE ISNULL(@login,login)=login A benefit of stored procedures is that you can centralize data access logic into a single place that is then eas...
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How to access parent Iframe from JavaScript

...d Oct 10 '10 at 16:13 ingredient_15939ingredient_15939 2,78077 gold badges2727 silver badges4848 bronze badges ...
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Changing UIImage color

... Swift 4.2 Solution extension UIImage { func withColor(_ color: UIColor) -> UIImage { UIGraphicsBeginImageContextWithOptions(size, false, scale) guard let ctx = UIGraphicsGetCurrentContext(), let cgImage = cgImage else { return self } color.setFill() ...
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C++ lambda with captures as a function pointer

... @KerrekSB put the global variables in a namespace and mark them as thread_local, that's the ftw approach I chose for solving something similar. – Kjell Hedström Apr 21 '14 at 15:08 ...
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...-vm:47388kB, anon-rss:3744kB, file-rss:80kB httpd invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0 httpd cpuset=/ mems_allowed=0 Pid: 8911, comm: httpd Not tainted 2.6.32-279.1.1.el6.i686 #1 ... 21556 total pagecache pages 21049 pages in swap cache Swap cache s...
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Using the Android Application class to persist data

...nController extends Application { private static ApplicationController _appCtrl; public static ApplicationController getAppCtrl() { return _appCtrl; } } Because subclasses of Application also can obtain the Resources, you could access them simply when you define a static ...
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Count number of occurrences of a pattern in a file (even on same line)

...color tags it prints out: echo -e "a\nb b b\nc\ndef\nb e brb\nr" \ | GREP_COLOR="033" grep --color=always b \ | perl -e 'undef $/; $_=<>; s/\n//g; s/\x1b\x5b\x30\x33\x33/\n/g; print $_' \ | wc -l share | ...