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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
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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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std::unique_lock or std::lock_guard?
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The difference is that you can lock and unlock a std::unique_lock. std::lock_guard will be locked only once on construction and unlocked on destruction.
So for use case B you definitely need a std::unique_lock for the condition v...
LINQ Join with Multiple Conditions in On Clause
...tID == x.ProjectID && x.Completed == true)
.DefaultIfEmpty()
select new { t1.ProjectName, t2.TaskName }
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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...
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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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 ...
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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How many threads can a Java VM support?
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I know this question is pretty old but just want to share my findings.
My laptop is able to handle program which spawns 25,000 threads and all those threads write some data in MySql database at regular interval of 2 seconds.
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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, /...