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How does the vim “write with sudo” trick work?
...command redirected using tee. The % is nothing but current file name i.e. /etc/apache2/conf.d/mediawiki.conf. In other words tee command is run as root and it takes standard input and write it to a file represented by %. However, this will prompt to reload file again (hit L to load changes in vim it...
Why is it important to override GetHashCode when Equals method is overridden?
...t if your item will be used as a key in a dictionary, or HashSet<T>, etc - since this is used (in the absence of a custom IEqualityComparer<T>) to group items into buckets. If the hash-code for two items does not match, they may never be considered equal (Equals will simply never be call...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...Rect(0, 0, width, height, clearPaint);
This removes drawings rectangles etc. while keeping set bitmap..
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How to enable PHP short tags?
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Most lileky in /etc/php5/apache2/php.ini
– Benjamin Crouzier
Apr 4 '13 at 19:51
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What package naming convention do you use for personal/hobby projects in Java?
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I just use my initials: fg.nameofproject.etc
It reduces typing.
It can be prefixed at any time with sf.net or com. or org. or com.google..
As the project is personal treat it special just like your freshly pressed personalized gift shirt - it will feel good.
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How do I Search/Find and Replace in a standard string?
...number of items substituted (for use if you want to successively run this, etc). To use it:
std::string str = "one two three";
int n = findAndReplace(str, "one", "1");
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Is there a performance gain in using single quotes vs double quotes in ruby?
...ferences that are not significant and due to other factors (GC kicking in, etc.); remember, there can't be any difference in this case! Micro benchmarks like these are difficult to get right. See my gem fruity for a decent tool for this.
Note that if there is interpolation of the form "...#{...}......
How to add default value for html ? [closed]
...ute, and only works for <input> tags, ie, <input type='text'>, etc. I don't know why the creators of HTML5 decided not to incorporate that, but that's the way it is for now.
The best method for inserting text into <textarea> elements has been outlined correctly here as: <textare...
Testing service in Angular returns module is not defined
...->
beforeEach module 'DiscussionServices'
beforeEach inject ... etc.
which compiles to
JavaScript:
describe('DiscussionServices', function() {
beforeEach(module('DiscussionServices'));
beforeEach(inject(function ... etc.
The only time I see something like the error you desc...
Hash and salt passwords in C#
... | ((uint)(buffer[offset + 3]));
}
Note this requires Microsoft.AspNetCore.Cryptography.KeyDerivation nuget package installed which requires .NET Standard 2.0 (.NET 4.6.1 or higher). For earlier versions of .NET see the Crypto class from Microsoft's System.Web.Helpers library.
Update Nov 201...