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How to copy a collection from one database to another in MongoDB
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this worked well for resetting a test mongodb from a golden copy between test runs. rather than hard coding the collection names you can do a for loop over all the collection names you want to copy with db.getCollection(name).find().forEach and supply a func...
Suppressing “is never used” and “is never assigned to” warnings in C#
...ress unused variables warnings in C# with bitwise operators:
uint test1 = 12345;
test1 |= 0; // test1 is still 12345
bool test2 = true;
test2 &= false; // test2 is now false
Both expressions don't produce unused variable warnings in VS2010 C# 4.0 and Mono 2.10...
How do I convert CamelCase into human-readable names in Java?
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This works with your testcases:
static String splitCamelCase(String s) {
return s.replaceAll(
String.format("%s|%s|%s",
"(?<=[A-Z])(?=[A-Z][a-z])",
"(?<=[^A-Z])(?=[A-Z])",
"(?<=[A-Za-z])(?=[^A-Za-z])"...
How do I break out of a loop in Scala?
...ral options.
(1a) Use some construct that includes a conditional that you test.
var sum = 0
(0 to 1000).iterator.takeWhile(_ => sum < 1000).foreach(i => sum+=i)
(warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation, and probably sh...
How to create an AVD for Android 4.0
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How many MBs of data do I need to download to test one single hello world application?
– Salman A
Apr 13 '12 at 15:20
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Where to place AutoMapper.CreateMaps?
... layer and later if you decide to do a console app or you are doing a unit test project the mapping configuration will be available from those projects as well.
In your Global.asax you will then call the method that sets all of your maps. See below:
File AutoMapperBootStrapper.cs
public static c...
How can I see the raw SQL queries Django is running?
... The only thing is you see SQL queries on browser. If you run tests from terminal and wish to see it there, this is not a viable solution. Still great tho, I've been using it to this day.
– Erdin Eray
Dec 5 '19 at 12:47
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Using custom std::set comparator
...bout std::less<> can be found at: What are transparent comparators?
Tested on Ubuntu 16.10, g++ 6.2.0.
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PHP Multidimensional Array Searching (Find key by specific value)
...n() page.
Update
Due to Vael comment I was curious, so I made a simple test to meassure the performance of the method that uses array_search and the method proposed on the accepted answer.
I created an array which contained 1000 arrays, the structure was like this (all data was randomized):
[...
How to test if a string is JSON or not?
...or message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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