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Find a Pull Request on Github where a commit was originally created
...equests are great for understanding the larger thinking around a change or set of changes made to a repo. Reading pull requests are a great way to quickly "grok" a project as, instead of small atomic changes to the source, you get larger groupings of logical changes. Analogous to organizing the line...
Drop all duplicate rows across multiple columns in Python Pandas
...lse , while I would like to drop all rows which are duplicates across a subset of columns. Is this possible?
6 Answers
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How to generate the JPA entity Metamodel?
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It would be awesome if someone also knows the steps for setting this up in Eclipse (I assume it's as simple as setting up an annotation processor, but you never know)
Yes it is. Here are the implementations and instructions for the various JPA 2.0 implementations:
EclipseLink
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...It is really not possible for one person to create and maintain a complete set for such a huge library. However, it is still cost efficient to use opencv even if you have to build a wrapper for the function you need yourself, since it does implement some really complex stuff.
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Crop MP3 to first 30 seconds
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If you want to set starting time (offset) you can use -ss hh:mm:ss[.xxx]. Example: ffmpeg -t 30 -ss 00:00:15.500 -i inputfile.mp3 -acodec copy outputfile.mp3 will slice to 30 seconds starting from 00h 00m 15s 500ms.
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Grep characters before and after match?
...is a "niftier" way of creating the function where "$2" is only passed when set which would save 4 lines of code. I don't have it handy though. Something like ${parm2} $parm2. If I find it I'll revise the function and this answer.
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Unbalanced calls to begin/end appearance transitions for
...WillAppear and guard it so it does get executed just once (would recommend setting up a property)
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PDO closing connection
...at is, in every practical situation). To close the connection, you have to set both the PDO object AND the PDOStatement object to null. See here: php.net/manual/en/pdo.connections.php#114822
– Ilmari
May 12 '17 at 11:12
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Error:(1, 0) Plugin with id 'com.android.application' not found
...10, 2020)
Latest Gradle: 6.3
Version check:
./gradlew -v
How to update:
Set URL: ./gradlew wrapper --gradle-version=3.6.2 --distribution-type=all
Update: ./gradlew wrapper
Latest Android Gradle Plugin: 3.6.2
If you add the following code snippet to the top of your build.gradle file. Gradle will ...
What is the difference between an ordered and a sorted collection?
...ion have order, but the order depends on the value of the element. A SortedSet is an example.
In contrast, a collection without any order can maintain the elements in any order. A Set is an example.
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