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Finding duplicate values in a SQL table
...l there is no rows deleted, since you delete only 1 of each duplicate each time
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Run ssh and immediately execute command [duplicate]
...ons to that machine being dropped, requiring me to re-run screen -dr every time I reconnect.
With that addition, and after creating that (empty) file in my home directory, I automatically have the screen -dr command in my history when my shell starts. After reconnecting, I can just type Control-P E...
Incrementing in C++ - When to use x++ or ++x?
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Actually, the answer is misleading. The point in time where the variable x is modified probably doesn't differ in practice. The difference is that x++ is defined to return an rvalue of the previous value of x while ++x still refers to the variable x.
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Custom thread pool in Java 8 parallel stream
...;
} catch (InterruptedException | ExecutionException e) {
throw new RuntimeException(e);
} finally {
if (forkJoinPool != null) {
forkJoinPool.shutdown();
}
}
The trick is based on ForkJoinTask.fork which specifies: "Arranges to asynchronously execute this task in the pool the c...
How to multiply duration by integer?
...ncurrent goroutines, I added a line to a function to make it take a random time to return (up to one second)
5 Answers
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What is the difference between #import and #include in Objective-C?
... the differences between #import and #include in Objective-C and are there times where you should use one over the other? Is one deprecated?
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What does if __name__ == “__main__”: do?
...p, the interpreter executes all the code in the module, one statement at a time. You may want to open another window on the side with the code sample so you can follow along with this explanation.
Always
It prints the string "before import" (without quotes).
It loads the math module and assigns it...
How to get back to the latest commit after checking out a previous commit?
I sometimes check out some previous version of the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer sho...
resizes wrong; appears to have unremovable `min-width: min-content`
...ndroid 4.1.2 Stock Browser and possibly other old versions; I have not had time to verify this.
² All links to the Gecko source in this answer refer to the 5065fdc12408 changeset, committed 29ᵗʰ July 2013; you may wish to compare notes with the most recent revision from Mozilla Central.
³ See...
Is UML practical? [closed]
... it appears that UML is not used heavily in the industry. Is it worth the time during a project to create UML diagrams? Also, I find that class diagrams are generally not useful, because it's just faster to look at the header file for a class. Specifically which diagrams are the most useful?
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