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How to Calculate Execution Time of a Code Snippet in C++
...ed since its creation.
UPDATE: Here's a version that works without Boost (tested on macOS/iOS):
#include <chrono>
#include <string>
#include <iostream>
#include <math.h>
#include <unistd.h>
class NLTimerScoped {
private:
const std::chrono::steady_clock::time_poin...
What is a build tool?
...ompiling source code into binary code.
Packaging that binary code.
Running tests.
Deployment to production systems.
Why do we use build tools or build automation?
In small projects, developers will often manually invoke the build
process. This is not practical for larger projects, where it is ver...
Best implementation for hashCode method for a collection
...rsion
Create a int result and assign a non-zero value.
For every field f tested in the equals() method, calculate a hash code c by:
If the field f is a boolean:
calculate (f ? 0 : 1);
If the field f is a byte, char, short or int: calculate (int)f;
If the field f is a long: calculate (int)(f ^ (...
Is returning null bad design? [closed]
...ould potentially return null.
// Two possible code paths now so harder to test.
if (c != null) {
for (Item item : c) {
// Process item.
}
}
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Creating a DateTime in a specific Time Zone in c#
I'm trying to create a unit test to test the case for when the timezone changes on a machine because it has been incorrectly set and then corrected.
...
Rollback to an old Git commit in a public repo
...this worked, then use 'git pull' to fast forward back to head after you've tested regressions,etc.
– Peter Quiring
Mar 16 '18 at 14:22
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sho...
How can I pad a value with leading zeros?
...ng().length;
if ( width > 0 )
{
return new Array( width + (/\./.test( number ) ? 2 : 1) ).join( '0' ) + number;
}
return number + ""; // always return a string
}
you could bake this into a library if you want to conserve namespace or whatever. Like with jQuery's extend.
...
How to get the name of enumeration value in Swift?
...
In Swift-3 (tested with Xcode 8.1) you can add the following methods in your enum:
/**
* The name of the enumeration (as written in case).
*/
var name: String {
get { return String(describing: self) }
}
/**
* The full name of th...
Creating runnable JAR with Gradle
...nding to 4 different classpaths: compile (used to compile the Java files), testCompile (which is used to compile the test Java source files), runtime (which is used to execute the application) and testRuntime (which is used to execute the tests). See gradle.org/docs/current/userguide/…
...
What are the pros and cons of the leading Java HTML parsers? [closed]
... than alone a HTML parser. It's a real "GUI-less webbrowser" and HTML unit testing tool.
Jsoup
Jsoup also provides a completely own API. It gives you the possibility to select elements using jQuery-like CSS selectors and provides a slick API to traverse the HTML DOM tree to get the elements of inter...