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How to declare constant map
...
10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it like:
romanNumeralDict := map[int]string{
...
And in Go there is no such thing as a constant map. More information can be found here.
Try it out on the Go playground.
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How do you plot bar charts in gnuplot?
...
Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) with boxes
data.dat:
0 label 100
1 label2 450
2 "bar label" 75
If you want to style your bars differently, you can do something like:
set styl...
The bare minimum needed to write a MSMQ sample application
...uld use Message objects to send the message, wrap your own class object inside it, and mark your class as serializable. Also be sure that MSMQ is installed on your system
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improve this answer...
Dispelling the UIImage imageNamed: FUD
...few dozen KBs when compressed, but consumes over half a MB decompressed - width * height * 4). By contrast +imageWithContentsOfFile: will decompress that image everytime the image data is needed. As you can imagine, if you only need the image data once, you've won nothing here, except to have a cach...
Convert blob URL to normal URL
... If blob urls don't point to server data, then how come Youtube videos' src url look like: src="blob:https%3A//www.youtube.com/44f26667-03f1-4978-9eed-af0cbf11dd67" (in Chrome)
– bhh1988
Sep 3 '14 at 15:53
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Equivalent of varchar(max) in MySQL?
...) and not varchar(MAX_SIZE_OF_A_COLUMN).
MySql does not have an equivalent idiom.
In order to get the same amount of storage as a varchar(max) in MySql you would still need to resort to a BLOB column type. This article discusses a very effective method of storing large amounts of data in MySql effi...
Injecting $state (ui-router) into $http interceptor causes circular dependency
...romise) {
return promise.then(success, error);
}
}];
$httpProvider.responseInterceptors.push(interceptor);
The Cause
angular-ui-router injects the $http service as a dependency into $TemplateFactory which then creates a circular reference to $http within the $httpProvider itself upon...
Is there anything like .NET's NotImplementedException in Java?
...RuntimeException should be used. docs.oracle.com/javase/7/docs/technotes/guides/collections/…
– L.Butz
May 16 '12 at 14:06
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Difference between subprocess.Popen and os.system
... stackoverflow.com/questions/3172470/… to point out that you ought to avoid the shell=True if you can. Having this option is one of the benefits of subprocess.Popen() and its helper functions.
– tripleee
Feb 16 '17 at 5:50
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How to capture stdout output from a Python function call?
...ith redirect_stdout(sys.stderr):
help(pow)
Note that the global side effect on sys.stdout means that this context
manager is not suitable for use in library code and most threaded
applications. It also has no effect on the output of subprocesses.
However, it is still a useful approac...