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Random record from MongoDB
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Do a count of all records, generate a random number between 0 and the count, and then do:
db.yourCollection.find().limit(-1).skip(yourRandomNumber).next()
share
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is it possible to evenly distribute buttons across the width of an android linearlayout
I have a linear layout (oriented horizontally) that contains 3 buttons. I want the 3 buttons to have a fixed width and be evenly distributed across the width of the linear layout.
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ReactJS state vs prop
...ls so much as it cares about values and how they flow through your app. Ideally, your post model would be stored in a single component at the root. You then create child components that each consume parts of the model.
You can pass callbacks down to the children that need to modify your data, and c...
Hashset vs Treeset
...hy I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functions and buckets (in the case of Java ).
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SQL Server ':setvar' Error
... running the script either via the menu as above or ensure your custom install script does so before it runs.
– rism
May 20 '12 at 1:39
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Print a string as hex bytes?
... Note that in python3, the concept of printing a str as hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
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Python int to binary string?
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typically one would use 4/8/... bit representation: "{:08b}".format(37)
– Sparkler
Aug 14 '18 at 21:51
3
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C# difference between == and Equals()
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Unless the operator is specifically implemented in the class
– Dominic Cronin
Nov 19 '11 at 21:11
26
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How to bundle a native library and a JNI library inside a JAR?
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It is possible to create a single JAR file with all dependencies including the native JNI libraries for one or more platforms. The basic mechanism is to use System.load(File) to load the library instead of the typical System.loadLibrary(String) which searches the java.libr...
Access Asset Catalog programmatically
...ove to be able to use an Asset Catalog to organize my assets, but I access all of my images programmatically. How would I access my images, now? Do I still access them by their file names like so:
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