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How to generate a random string in Ruby
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@stringo0 that is wrong. If you wanted to pass +fGH1 through a URL, you just need to URL-encode it like you would ANY value that's going through a URL: %2BfGH1
– nzifnab
Mar 31 '15 at 21:08
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Where to store global constants in an iOS application?
... way, you can switch between servers depending on compiler flags, as in:
#ifdef DEBUG
#define kBaseURL @"http://192.168.0.123/"
#else
#define kBaseURL @"http://myproductionserver.com/"
#endif
share
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
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If someone does not know how to do this - sudo gedit ~/.profile, add the line from the answer there and save the file.
– gotqn
Jul 1 '15 at 13:16
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Running a Python script from PHP
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If you want to know the return status of the command and get the entire stdout output you can actually use exec:
$command = 'ls';
exec($command, $out, $status);
$out is an array of all lines. $status is the return status. Very useful for ...
Socket.IO Authentication
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@Alfred that link seems to be dead now :(
– Pro Q
Aug 8 '16 at 4:28
@Alfred's ...
Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的文本即可：
tail -f /data/log/logstash/all.log | awk '{
if (match($0, /.*(PHP Deprecated|PHP Notice|PHP Fatal error|PHP Warning|ERROR|WARN).*/)) { print "\033[41;37;1m"$0"\033[0m" }
else if (match($0, /.*关键信息1.*/)) { print "\033[32;1m"$0"\033[0m" }
else if (match($0, /...
Installing specific package versions with pip
... answer to this question - thanks for your help. Hitting a different issue now: "error: command '/usr/bin/gcc-4.2' failed with exit status 1" while building '_mysql' extension. I know that I have GCC, and the install for MySQL_python 1.2.3 goes smoothly. Have others seen this issue, specifically wit...
Rails params explained?
...which is the most common, the params are encoded in the url. For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the...
Determine if code is running as part of a unit test
...ve a unit test (nUnit). Many layers down the call stack a method will fail if it is running via a unit test.
19 Answers
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Does Go have “if x in” construct similar to Python?
Without iterating over the entire array, how can I check if x in array using Go? Does the language have a construct?
7 A...