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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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Do note that md5 returns hexadecimal values, meaning the character set is limited to [0-9] and [a-f].
– Thijs Riezebeek
May 15 '15 at 16:59
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Scatterplot with too many points
...is is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regular old rectangular binning (image omitted), which is more like your traditional heatmap:
ggplot(df,aes(x=x,y=y)) + geom_bin2d()
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Adding HTML entities using CSS content
...ACE character in Unicode (or UCS-2; see the HTML 4.01 Specification). The hexadecimal representation of that code point is U+00A0 (160 = 10 × 161 + 0 × 160). You will find that in the Unicode Code Charts and Character Database.
In CSS you need to use a Unicode escape sequence for such characters...
Xcode 4.2 debug doesn't symbolicate stack call
...y to go.
When app crashes, and you get your raw first throw call stack (in hex numbers), type into Xcode console info line *hex (don't forget star and 0x hex specifier), for example:
(gdb) info line *0x2658
Line 15 of "path/to/file/main.m" starts at address 0x25f2 <main+50>
and ends at 0x267e...
How to use unicode characters in Windows command line?
...yboard layout. For best results, I recommend my layouts.
For input: allow HEX input of Unicode.
One more gotcha with “Pasting” into a console application (very technical):
HEX input delivers a character on KeyUp of Alt; all the other ways to deliver a character happen on KeyDown; so many app...
What is the 
 character?
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That would be an HTML Encoded Line Feed character (using the hexadecimal value).
The decimal value would be &#10;
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Set background color of WPF Textbox in C# code
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If we want to set a hex value to the color attribute , how it can be done??
– Sauron
Mar 4 '10 at 11:40
11
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...MQ名字“）转换为底层传输地址的名字解析服务 。例如，字符串"Brightness-Adjustment-Service"可解析为"tcp://192.168.1.111:5555"。
关于这个问题还有许多要思考，不过主要问题似乎是拓扑是由多个节点组成的，而且名字解析服务选择这些...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...MQ名字“）转换为底层传输地址的名字解析服务 。例如，字符串"Brightness-Adjustment-Service"可解析为"tcp://192.168.1.111:5555"。
关于这个问题还有许多要思考，不过主要问题似乎是拓扑是由多个节点组成的，而且名字解析服务选择这些...
how to convert binary string to decimal?
... //1010
alert("Octal " + num.toString(8)); //12
alert("Hex " + num.toString(16)); //a
alert("Binary to Decimal "+ parseInt("1010", 2)); //10
alert("Octal to Decimal " + parseInt("12", 8)); //10
alert("Hex to Decimal " + parseInt("a", 16)); //...