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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...ions {}
GNU Parallel will give you exit code:
0 - All jobs ran without error.
1-253 - Some of the jobs failed. The exit status gives the number of failed jobs
254 - More than 253 jobs failed.
255 - Other error.
Watch the intro videos to learn more: http://pi.dk/1
...
What is output buffering?
...example:
<?php
ob_start( );
echo "Hello World";
if ( $some_error )
{
header( "Location: error.php" );
exit( 0 );
}
?>
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...ructor, or A doesn't have a conversion operator, then you get compile time error.
Cast from A* to B* always succeeds if A and B are in inheritance hierarchy (or void) otherwise you get compile error.
Gotcha: If you cast base pointer to derived pointer but if actual object is not really derived type...
Why does Ruby have both private and protected methods?
... # true
gimli.name # 'Gimli'
gimli.age # NoMethodError: private method `age'
called for #<Dwarf:0x007ff552140128>
gimli.beard_strength # NoMethodError: protected method `beard_strength'
called for #<Dwarf:0x007ff552...
Prevent Default on Form Submit jQuery
...not work if jQuery can't get the form element, and jQuery doesn't give any error about that. If your script is placed in the head of the document, make sure the code runs after DOM is ready. So, $(document).ready(function () { // your code here // }); will solve the problem.
The best practice is, a...
Efficient way to return a std::vector in c++
...s "return by value" might be, it's the kind of code that can lead one into error. Consider the following program:
#include <string>
#include <vector>
#include <iostream>
using namespace std;
static std::vector<std::string> strings;
std::vector<std...
Creating runnable JAR with Gradle
...to run jar file with java -jar build/libs/core-all-1.0.jar I get following error: Error: Could not find or load main class scanners.exchange.Main Caused by: java.lang.ClassNotFoundException: scanners.exchange.Main Do you know how I can solve this?
– Luka Lopusina
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What is the difference between dynamic and static polymorphism in Java?
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This answer full of errors: (1) Method overloading is not dynamic polymorphism. It is static polymorphism. (2) Static methods are never overridden, they are hidden/shadowed. (3) Private methods are not "overridden". They are never inherited in t...
What is the difference between canonical name, simple name and class name in Java Class?
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How do you modify a CSS style in the code behind file for divs in ASP.NET?
... aspx page. The following is essentially what I am trying to do, but I get errors.
4 Answers
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