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MongoDB: Combine data from multiple collections into one..how?
...er by using the "reduce" out option in MongoDB 1.8+ map/reduce (see http://www.mongodb.org/display/DOCS/MapReduce#MapReduce-Outputoptions). You need to have some key in both collections that you can use as an _id.
For example, let's say you have a users collection and a comments collection and you...
How to wait for all threads to finish, using ExecutorService?
...ed to know which Future "finishes first" you could use some something like https://stackoverflow.com/a/31885029/32453
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Get and Set a Single Cookie with Node.js HTTP Server
...which has a comprehensive set of features.
Documentation and examples at:
https://github.com/jed/cookies
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Javascript Equivalent to C# LINQ Select
... p.firstName);
for (let name of names) {
console.log(name);
}
also at: https://jsfiddle.net/52dpucey/
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Select datatype of the field in postgres
...egclass::oid; -- example way to find pg_class entry for a table
Based on https://gis.stackexchange.com/a/97834.
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Meaning of = delete after function declaration
...lse answered this question, I should mention that there is also =default.
https://docs.microsoft.com/en-us/cpp/cpp/explicitly-defaulted-and-deleted-functions#explicitly-defaulted-functions
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How to get all of the immediate subdirectories in Python
...e this: 1, 10, 2. To get natural sorting (1, 2, 10), please have a look at https://stackoverflow.com/a/48030307/2441026
Results:
scandir is: 3x faster than walk, 32x faster than listdir (with filter), 35x faster than Pathlib and 36x faster than listdir and 37x (!) faster than glob.
Scandir: ...
versionCode vs versionName in Android Manifest
... user.
For more detailed inform you give 2 minute reading to this article https://developer.android.com/studio/publish/versioning.html
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Angularjs: 'controller as syntax' and $watch
...og(value);
});
});
Read an interesting post about controllerAs topic https://toddmotto.com/digging-into-angulars-controller-as-syntax/
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Export/import jobs in Jenkins
...
Probably use jenkins command line is another option, see https://wiki.jenkins-ci.org/display/JENKINS/Jenkins+CLI
create-job: Creates a new job by reading stdin as a configuration XML file.
get-job: Dumps the job definition XML to stdout
So you can do
java -jar jenkins-cli.jar...