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How do I Sort a Multidimensional Array in PHP [duplicate]
...'s associative if you want: this code takes care of sorting items, but you select the actual sort function (usort or uasort).
Finally, it does not use array_multisort: while array_multisort is convenient, it depends on creating a projection of all your input data before sorting. This consumes time a...
Display open transactions in MySQL
... the current transaction list in InnoDB with the query below if you want.
SELECT * FROM information_schema.innodb_trx\G
From the document:
The INNODB_TRX table contains information about every transaction (excluding read-only transactions) currently executing inside InnoDB, including whether t...
How to clear gradle cache?
...cleanBuildCache
Android Studio / IntelliJ
gradle tab (default on right) select and run the task or add it via the configuration window
**gradle/gradlew are system specific files containing scripts
- please see system info how to execute the script
linux - https://www.cyberciti.biz/faq/how...
How to run travis-ci locally
...ainer Based Docker Image Locally
Download and install the Docker Engine.
Select an image from Docker Hub. If you're not using a language-specific image pick ci-ruby. Open a terminal and start an interactive Docker session using the image URL:
docker run -it travisci/ubuntu-ruby:18.04 /bin/bash
S...
How do I configure emacs for editing HTML files that contain Javascript?
...n but a quick fix if you really need to have javascript in your html is to select the region containing javascript and use the command narrow-to-region(C-x n n) and then switch to your preferred javascript mode. The command widen brings you back, (C-x n w).
...
Is < faster than
...ughput
Jcc N/A 0.5
with the following footnote on Jcc:
7) Selection of conditional jump instructions should be based on the recommendation of section Section 3.4.1, “Branch Prediction Optimization,” to improve the predictability of branches. When branches are predicted successf...
How to 'bulk update' with Django?
...each essentially having the form of the first example above) + the initial SELECT-query.
If every row requires a unique value there is no way to avoid one query per update. Perhaps look into other architectures like CQRS/Event sourcing if you need performance in this latter case.
...
How to fix corrupted git repository?
...reset --keep
You can also do the same manually by opening the Git GUI and selecting each "Staged changes" and click on "Unstage the change". When everything is unstaged, you should now be able to compress your database, check your database and commit.
I also tried the following commands but they d...
Continuous Integration for Ruby on Rails? [closed]
...udson. It is designed for use with Java projects although there is a great selection of plug-ins available including support for Ruby and Rake. It has a very useful web interface and supports email notifications as well as many others (like twitter, or giant bear lamps).
The community is also ver...
SASS - use variables across multiple files
...
This should be now the selected answer, since "import" is marked as deprecated and will be removed in the future.
– TyrionGraphiste
Jun 4 at 13:32
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