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How do I protect Python code? [closed]
...ause it's written in C, wouldn't it still be relatively easy to remove the calls to the license-checking code?
– Blair Conrad
Nov 4 '08 at 12:04
62
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Why use a ReentrantLock if one can use synchronized(this)?
...o situations: when there is a native frame on the stack — when Java code calls into native code (JNI) that then calls back into Java — and when inside a synchronized block or method. In those cases, blocking the virtual thread will block the physical thread that carries it. Once the native call ...
Deleting an object in java?
...or leaving the block where it was declared. After that, it will be automatically deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to the object,
// it will be deleted by the garbage c...
How do I get my Python program to sleep for 50 milliseconds?
..., CPU load avg, available memory, and a plethora of other factors make all calls imprecise. The busier the system is, the higher the imprecision.
– David
Jan 28 '19 at 18:44
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How to iterate over associative arrays in Bash
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@DennisWilliamson, thanks a lot. I didn't have this on my mind.
– Michael-O
May 23 '14 at 7:07
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What is the best way to implement a “timer”? [duplicate]
...liseconds, specified by the Interval property on the Timer object. It will call the Event Handler method you specify. In the example above, it is OnTimedEvent.
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Parsing JSON with Unix tools
...ady installed on your system, like Python using the json module, and so avoid any extra dependencies, while still having the benefit of a proper JSON parser. The following assume you want to use UTF-8, which the original JSON should be encoded in and is what most modern terminals use as well:
Pytho...
Returning unique_ptr from functions
...nstruction of a class object [...]
This elision of copy/move operations, called copy elision, is permitted [...]
in a return statement in a function with a class return type, when the expression is the name of
a non-volatile automatic object with the same cv-unqualified type as the function re...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
...xec/ directory. Normally libexec directory contains small helper programs called by other programs. In this case, gcc is looking for its own 'cc1' compiler. Your machine may contains different versions of gcc, and each version should have its own 'cc1'. Normally these compilers are located on:
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What is JSON and why would I use it?
...be tempted to use the eval function to evaluate the result returned in the callback, but this is not suggested since there are two characters (U+2028 & U+2029) valid in JSON but not in JavaScript (read more of this here).
Therefore, one must always try to use Crockford's script that checks for ...