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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
... FYI if you specify localhost, that tells Mysql to connect via the unix socket (/var/run/mysqld/mysqld.sock on ubuntu) rather than over a TCP socket.
– Duke
Sep 12 '13 at 0:08
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How to clean project cache in Intellij idea like Eclipse's clean?
...gt;\Users\<USER ACCOUNT NAME>\.<PRODUCT><VERSION>
Linux/Unix
~/.<PRODUCT><VERSION>
Mac OS
~/Library/Caches/<PRODUCT><VERSION>
Read this for more details on cache locations.
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How to determine one year from now in Javascript
...s 1 day
new Date().setDate(new Date().getDate() + 1)
All examples return Unix timestamp, if you want to get Date object - just wrap it with another new Date(...)
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Find (and kill) process locking port 3000 on Mac
... @MichaelTrouw almost a year later, but here's your answer. :-) unix.stackexchange.com/a/8918 TL;DR kill -15 gives the process a chance to clean up after itself.
– Jamon Holmgren
Oct 12 '16 at 5:57
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App Inventor 2 数学积木完全指南：从加减乘除到位运算，一篇搞定所有计算...
...一个列表存 [1, 2, 4, 8, 16...]，然后取出对应值做位运算，代码量比多分支判断少很多，逻辑也更清晰。
九、进制转换与数字格式化
- 进制转换：输入字符串和源/目标进制，返回转换后的字符串
- 格式化小数：指定小数位数...
How can I get System variable value in Java?
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@dialex %var% used for windows, $var for unix / linux / MacOS systems.
– Al-Mothafar
Jan 19 '17 at 12:23
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Random strings in Python
...cations, though its exact quality depends on the OS
implementation. On a UNIX-like system this will query /dev/urandom,
and on Windows it will use CryptGenRandom. If a randomness source is
not found, NotImplementedError will be raised.
For an easy-to-use interface to the random number gen...
CDC:DrawText 多行显示文本（文本自动换行） - C++ UI - 清泛IT社区，为创新赋能！
...bsp; UINT uFormat // text-drawing options
);复制代码参数：
hdc：设备环境句柄。
lpString：指向将被写入的字符串的指针，如果参数nCount是C1，则字符串必须是以\0结束的。
如果uForma...
PowerShell equivalent to grep -f
... This findstr command was already available to me, and it worked just like unix GREP.
– Lennon
Nov 21 '18 at 14:32
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character showing up in files. How to remove them?
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On Unix/Linux:
sed 's/\xEF\xBB\xBF//' < inputfile > outputfile
On MacOSX
sed $'s/\xEF\xBB\xBF//' < inputfile > outputfile
Notice the $ after sed for mac.
On Windows
There is Super Sed an enhanced version of s...