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Calculate RSA key fingerprint
... for GitHub, but I am not sure how do find my RSA key fingerprint. I originally followed a guide to generate an SSH key on Linux.
...
Named string formatting in C#
...ed in at {LastLoginDate}".FormatWith(user);
A third improved method partially based on the two above, from Phil Haack
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Xcode changes unmodified storyboard and XIB files
...ument based on the logical tree structure, clears the storyboard file and calls XMLDataWithOptions: to fill the file again. Because sets do not preserve the order of their elements, even the slightest modification could change the whole storyboard XML file.
Why does the class tag disappear or reappe...
How to fix “Headers already sent” error in PHP
...ders must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
se...
Measuring the distance between two coordinates in PHP
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Not long ago I wrote an example of the haversine formula, and published it on my website:
/**
* Calculates the great-circle distance between two points, with
* the Haversine formula.
* @param float $latitudeFrom Latitude of start point in [deg de...
Execute a terminal command from a Cocoa app
...;
NSFileHandle *file = pipe.fileHandleForReading;
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"/usr/bin/grep";
task.arguments = @[@"foo", @"bar.txt"];
task.standardOutput = pipe;
[task launch];
NSData *data = [file readDataToEndOfFile];
[file closeFile];
NSString *grepOutput = [[NSS...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...ed) state four advantages :
More readable and typeable: this syntax allows you to think in terms of subject, verb, object (assert "x is 3") rather than assertEquals, which uses verb, object, subject (assert "equals 3 x")
Combinations: any matcher statement s can be negated (not(s)), combine...
LINQ-to-SQL vs stored procedures? [closed]
...
Some advantages of LINQ over sprocs:
Type safety: I think we all understand this.
Abstraction: This is especially true with LINQ-to-Entities. This abstraction also allows the framework to add additional improvements that you can easily take advantage of. PLINQ is an example of adding...
What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
All the examples of strong parameters in Rails 4 docs use
2 Answers
2
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How to hide element using Twitter Bootstrap and show it using jQuery?
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The right answer
Bootstrap 4.x
Bootstrap 4.x uses the new .d-none class. Instead of using either .hidden, or .hide if you're using Bootstrap 4.x use .d-none.
<div id="myId" class="d-none">Foobar</div>
To show it: $("#myId").removeClass('...