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How to wait for all threads to finish, using ExecutorService?
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It is a good pattern if this task handling is a one-time event. If this is done repeatedly during the same runtime, however, it is not optimal, as you would create and tear down threads repeatedly every time it is executed.
– sjlee
A...
Javascript Equivalent to C# LINQ Select
... I suggest that you stick with the jQuery method.
If you prefer the other one for some reason you could always add a polyfill for old browser support.
You can always add custom methods to the array prototype as well:
Array.prototype.select = function(expr){
var arr = this;
//do custom stu...
Is the pImpl idiom really used in practice?
...ue.
Data hiding
If you're developing a library, especially a proprietary one, it might be desirable not to disclose what other libraries / implementation techniques were used to implement the public interface of your library. Either because of Intellectual Property issues, or because you believe t...
Private and Protected Members : C++
Can someone enlighten me as to the difference between private and protected members in classes?
17 Answers
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Android: How to create a Dialog without a title?
...flating with View view = inflater..... If so, then you need to change just one bit: instead of dialog.findView... make it view.findView.... Then once you've done that, remember to use dialog.show(), or even builder.show() without bothering to do builder.create().
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Have a reloadData for a UITableView animate when changing
...ction indexes, that needs to be refreshed as well
– JonEasy
Mar 19 '15 at 14:32
Swift version: _tableView.reloadSectio...
What's the difference between %s and %d in Python string formatting?
...ng to your question, you may want to check {} / .format() as well. Here is one example: Python string formatting: % vs. .format
also see here a google python tutorial video @ 40', it has some explanations
https://www.youtube.com/watch?v=tKTZoB2Vjuk
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What is the difference between supervised learning and unsupervised learning? [closed]
...d, which means that your examples must be labeled, or explicitly say which ones are faces and which ones aren't.
In an unsupervised algorithm your examples are not labeled, i.e. you don't say anything. Of course, in such a case the algorithm itself cannot "invent" what a face is, but it can try to ...
Error - trustAnchors parameter must be non-empty
...DK8 to OpenJDK8 since OpenJDK comes with an empty trust store. Copying the one from OpenJDK11 fixes the problem
– light_303
Nov 13 '18 at 9:38
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How to redirect stderr and stdout to different files in the same line in script?
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Just add them in one line command 2>> error 1>> output
However, note that >> is for appending if the file already has data. Whereas, > will overwrite any existing data in the file.
So, command 2> error 1> output i...