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Check if a file exists with wildcard in shell script [duplicate]

...es (probably due to sorting). You may want to turn off sorting with -U, at least. – musiphil Jun 21 '12 at 21:01 ...
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Obtaining a powerset of a set in Java

... to be created in memory, which takes time proportional to the set size at least. According to wolfram alpha, it's in O(n * 2^n): wolfram alpha query – fabian May 24 '15 at 13:53 ...
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Internal Error 500 Apache, but nothing in the logs?

...obably need to restart the Apache service. I've found that Apache 2.4 (at least on Windows platform) tends to stubbornly refuse to flush log files—instead, logged data remains in memory for quite a while. It's a good idea from the performance point of view but it can be confusing when developing....
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Convert string to nullable type (int, double, etc…)

...ng to do. Also you should probably not swallow all kinds of exceptions. At least re-throw OutOfMemoryException if you cannot narrow it down to a fixed set of exception types. – Paul Groke Jan 24 '13 at 16:23 ...
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How to sort my paws?

...ul when using image recognition, because of the 24 measurements I have, at least 24 paws would already be annotated. If they would then be clustered into 4 groups, two of those should contain a reasonable amount of either front paw enough to make an algorithm fairly certain of the clustering. ...
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Compare two files line by line and generate the difference in another file

...g --line-format=%L, you keep diff from generating any extra characters (at least, the help says it works like this, yet about to try it out). – Egor Hans Nov 14 '17 at 16:10 ...
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How can we match a^n b^n with Java regex?

...o almost anything; it clearly can't, and even for the things it can do, at least partial delegation to the hosting language should be considered if it leads to a simpler solution. As mentioned at the top, while this article is necessarily tagged [regex] for stackoverflow, it is perhaps about more th...
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How to get a path to a resource in a Java JAR file

... Your response solved a problem I had been trying to work through for at least 2 days now. TYVM!! – Jonathan Nov 9 '19 at 19:30 ...
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How to Configure SSL for Amazon S3 bucket

...ss they have to make up for increasingly cheaper storage costs somehow. at least it's prorated though. if you only use your SSL certificate for 1 hour in a month it's only $20 ;-) – Simon_Weaver May 14 '14 at 19:26 ...
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How to “return an object” in C++?

...ys make sense for all objects. If you want to use dynamic allocation, the least that can be done is put it in a smart pointer. (This should be done all the time anyway) Then you don't worry about deleting anything, things are exception-safe, etc. The only problem is it's likely slower than returnin...