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Can an abstract class have a constructor?
...hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will frequently be used to enforce class constraints or invariants such as the minimum fields required to setup the class.
NOTE: As there is no default (or no...
How can I grep hidden files?
...iles (a directory is also a file).
grep -r search * .*
The * will match all files except hidden ones and .* will match only hidden files. However this will fail if there are either no non-hidden files or no hidden files in a given directory. You could of course explicitly add .git instead of .*.
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Intellij reformat on file save
...
https://github.com/dubreuia/intellij-plugin-save-actions/issues/63
I actually tried to assign reformat to Ctrl+S and it worked fine - saving is done automatically now.
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Maven-like dependency management for C++? [closed]
... I have a C++ project that is split in several subprojects. The subproject all produce a DLL and different teams of developers work on each of the subproject. Now if I want to build the main project, is there a way to avoid having to build all the subprojects by myself?
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...m to be leaving out the most important point:
Unless you are trying to parallelize a CPU-intensive operation in order to get it done faster on a low-load site, there is no point in using a worker thread at all.
That goes for both free threads, created by new Thread(...), and worker threads in the ...
How to create cron job using PHP?
...syntax of scheduling a new job may seem daunting at first glance, it's actually relatively simple to understand once you break it down. A cron job will always have five columns each of which represent a chronological 'operator' followed by the full path and command to execute:
* * * * * home/path/t...
Removing multiple classes (jQuery)
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There are many ways can do that!
jQuery
remove all class
$("element").removeClass();
OR
$("#item").removeAttr('class');
OR
$("#item").attr('class', '');
OR
$('#item')[0].className = '';
remove multi class
$("element").removeClass("class1 ... classn");
OR
$("element").re...
How do you concatenate Lists in C#?
...you want to assign it to a variable that is List<T>, you'll have to call ToList() on the IEnumerable<T> that is returned.
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How to get height of entire document with JavaScript?
...he document (to position something absolutely at the very bottom). Additionally, a padding-bottom on seems to do nothing on these pages, but do on the pages where height will return. Case(s) in point:
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Make .git directory web inaccessible
...taccess file in the .git folder and put the following in this file:
Order allow,deny
Deny from all
But note, that it would be lost if you ever re-cloned the repository
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