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Calculating distance between two points, using latitude longitude?
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edited Apr 20 '17 at 11:24
Neeme Praks
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Histogram using gnuplot?
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edited Feb 8 '14 at 23:38
Matt Ball
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How to remove local (untracked) files from the current Git working tree
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@Kostanos If you don't want to remove files that are in .gitignore, then do not provide the -x flag.
– Lo-Tan
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How does git compute file hashes?
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human-readable integer), followed by a NUL character
$ echo -e 'blob 14\0Hello, World!' | shasum
8ab686eafeb1f44702738c8b0f24f2567c36da6d
Source: http://alblue.bandlem.com/2011/08/git-tip-of-week-objects.html
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Detecting a mobile browser
...ont|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au...
adding noise to a signal in python
...te.
– Edward Loper
Dec 27 '12 at 17:48
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Using LIMIT within GROUP BY to get N results per group?
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124
You could use GROUP_CONCAT aggregated function to get all years into a single column, grouped by...
【Mixly×AI2系列·第5讲】手机发指令控制LED/舵机：蓝牙双向通信实战① - ...
... App Inventor2 接入系列》第 5 讲，完整版方案可参考同版块的系列开篇调研帖。
一、知识目标
• 理解"App → 蓝牙 → 串口 → 硬件"的指令传递链路
• 掌握 Mixly 串口读取与条件判断块
• 掌握 App Inventor2 BluetoothClient 发...
Replace multiple characters in a C# string
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answered Sep 1 '11 at 1:42
johnluetkejohnluetke
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How to check if a line is blank using regex
I am trying to make simple regex that will check if a line is blank or not.
7 Answers
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