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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
... it is the slowest possible approach.
Use synchronization. This is a bad idea because you should never choke-point your threads on a server.
Use a ThreadLocal. This is the fastest approach of the 3 (see http://www.javacodegeeks.com/2010/07/java-best-practices-dateformat-in.html).
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What is the difference between require and require-dev sections in composer.json?
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The idea is that you'd use the --no-dev flag on production.
– John Pancoast
Apr 21 '15 at 17:51
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How to start working with GTest and CMake
...d hack) into the gtest cmake files. Shame. In particular I do not like the idea of adding gtest as a source. :)
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@Override is not allowed when implementing interface method
...other one: How do I turn off error validation for annotations in IntelliJ IDEA?
7 Answers
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Convert String to Uri
...package). Second it does not have the "parse" constructor. Do you have any idea what i am doing wrong?
– Jürgen K.
Sep 22 '15 at 14:53
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C# Error: Parent does not contain a constructor that takes 0 arguments
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Probably a good idea to create a protected parent() { } instead of public.
– Roberto
Aug 17 '15 at 5:51
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Constants in Objective-C
... to do. I have cleaned, shutdown xcode and build and still problems... any ideas?
– J3RM
Aug 30 '12 at 20:35
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PHP function to make slug (URL string)
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It is always a good idea to use existing solutions that are being supported by a lot of high-level developers. The most popular one is https://github.com/cocur/slugify. First of all, it supports more than one language, and it is being updated.
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Will strlen be calculated multiple times if used in a loop condition?
...s, strlen() will be evaluated on each iteration. It's possible that, under ideal circumstances, the optimiser might be able to deduce that the value won't change, but I personally wouldn't rely on that.
I'd do something like
for (int i = 0, n = strlen(ss); i < n; ++i)
or possibly
for (int i ...
Create new user in MySQL and give it full access to one database
... leaving traces of the password in shell history is not a great idea
– dmirkitanov
Mar 29 '19 at 8:31
@dmir...