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What does value & 0xff do in Java?
...e ZEROs) all but the lowest 8 bits of the number (will be as-is).
... 01100100 00000101 & ...00000000 11111111 = 00000000 00000101
& is something like % but not really.
And why 0xff? this in ((power of 2) - 1).
All ((power of 2) - 1) (e.g 7, 255...) will behave something like % operator....
GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration
...>
<assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.2.0.0" />
</dependentAssembly>
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...:8A:0F:4E:0F:2E:FD:92:5E:5E:4R:CF:F8:44:33:2C:8C:B8:97
SHA256: B5:BF:75:60:DB:62:09:49:F1:38:CH:49:18:22:18:95:03:C9:5C:14:F6:
B0:F4:21:D2:19:B8:FF:38:D2:B9:FD
Signature algorithm name: SHA256withRSA
NOTE: if there are any spaces in the directory path you MUST enclose it in quote...
Hidden features of WPF and XAML?
...ramework.Aero, Version=3.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35, ProcessorArchitecture=MSIL;component/themes/aero.normalcolor.xaml" />
</Window.Resources>
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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...2.3 :003 > puts Digest::MD5.hexdigest('I love you安红我爱你')
b10d890bf46b1a045eb99af5d43c7b13
=> nil
2.2.3 :004 > puts Digest::MD5.hexdigest('I dont love you')
c82294c9a7b6e4a372ad25ed4d6011c9
=> nil
2.2.3 :005 > puts Digest::MD5.hexdigest('I dont love you安红我爱你')
dce67bcdfdf00...
Way to get all alphabetic chars in an array in PHP?
...> BA [53] => BB [54] => BC [55] => BD [56] => BE [57] => BF [58] => BG [59] => BH [60] => BI [61] => BJ [62] => BK [63] => BL [64] => BM [65] => BN [66] => BO [67] => BP [68] => BQ [69] => BR [70] => BS [71] => BT [72] => BU [73] => B...
How can I get list of values from dict?
... Build
ipython 7.5.0 py37h24bf2e0_0
The result
For small dictionaries * operator is quicker
For big dictionaries where it matters list() is maybe slightly quicker
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Find XOR of all numbers in a given range
...
0000 <- 0 [a]
0001 <- 1 [1]
0010 <- 3 [a+1]
0011 <- 0 [0]
0100 <- 4 [a]
0101 <- 1 [1]
0110 <- 7 [a+1]
0111 <- 0 [0]
1000 <- 8 [a]
1001 <- 1 [1]
1010 <- 11 [a+1]
1011 <- 0 [0]
1100 <- 12 [a]
1101 <- 1 [1]
1110 <- 15 [a+1]
1111 <- 0 [0]
W...
Regular expression to match URLs in Java
...agksyz]"
+ "|v[aceginu]"
+ "|w[fs]"
+ "|(\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae|\u0438\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u0435|\u0440\u0444|\u0441\u0440\u0431|\u05d8\u05e2\u05e1\u05d8|\u0622\u0632\u0645\u0627\u06cc\u0634\u06cc|\u0625\u062e\u062a\u0628\u0627\u0631|\u0627...
Using MVC HtmlHelper extensions from Razor declarative views
...y 'System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'." when hovering @using System.Web.Mvc. Any ideas?
– JoeBrockhaus