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Controlling a USB power supply (on/off) with Linux
Is it possible to turn on/off power supplies from USB manually with Linux?
10 Answers
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Sass Variable in CSS calc() function
...rd before without a definition or any pretense does not aid in creating an all inclusive answer. That link is certainly helpful though. Would have been nice to see that on the accepted answer.
– Jacques Mathieu
Aug 31 '19 at 18:48
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How to get the children of the $(this) selector?
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The jQuery constructor accepts a 2nd parameter called context which can be used to override the context of the selection.
jQuery("img", this);
Which is the same as using .find() like this:
jQuery(this).find("img");
If the imgs you desire are only direct descendants ...
Java Enum Methods - return opposite direction enum
... method that returns the opposite direction (the following is not syntactically correct, i.e, enums cannot be instantiated, but it illustrates my point). Is this possible in Java?
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Two single-column indexes vs one two-column index in MySQL?
... "MySQL can use multiple-column indexes for queries that test all the columns in the index, or queries that test just the first column, the first two columns, the first three columns, and so on. If you specify the columns in the right order in the index definition, a single composite in...
Numpy where function multiple conditions
I have an array of distances called dists. I want to select dists which are between two values. I wrote the following line of code to do that:
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Creating runnable JAR with Gradle
Until now I created runnable JAR files via the Eclipse "Export..." functionallity but now I switched to IntelliJ IDEA and Gradle for build automation.
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How do I get a YouTube video thumbnail from the YouTube API?
...mg.youtube.com/vi/<insert-youtube-video-id-here>/maxresdefault.jpg
All of the above URLs are available over HTTP too. Additionally, the slightly shorter hostname i3.ytimg.com works in place of img.youtube.com in the example URLs above.
Alternatively, you can use the YouTube Data API (v3) to...
set DateTime to start of month
...le and use that if you are going to use the value repeatedly. There is a small chance of an error in case this code is executed exactly around midnight; the two calls to DateTime.Now may happen on each side of midnight causing possibly odd effects.
– Fredrik Mörk
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Difference between natural join and inner join
...aspect of a natural join. The things you need to know are (A) it automatically joins on fields of the same name and (B) it will f*** up your s*** when you least expect it. In my world, using a natural join is grounds for dismissal.
– user565869
Jan 6 '14 at 1...