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Getting name of the class from an instance
...assname in Swift you can use reflect to get information about object.
let tokens = split(reflect(self).summary, { $0 == "." })
if let typeName = tokens.last {
println(typeName)
}
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How to replace multiple strings in a file using PowerShell
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A third option, for a pipelined one-liner is to nest the -replaces:
PS> ("ABC" -replace "B","C") -replace "C","D"
ADD
And:
PS> ("ABC" -replace "C","D") -replace "B","C"
ACD
This preserves execution order, is easy to read, and fits neatly into a pipeline. I prefer to use parenthese...
linux: kill background task
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@polm23; no, ^Z doesn't background jobs, it stops them. A subsequent bg does the actual 'backgrounding' (resumes execution in the background), and after that $! works as expected.
– falstro
Oct 16 '12 at 14:39
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How to use Java property files?
...If you use the *.properties extension you can get editor support, e.g. Eclipse has a properties file editor.
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How do you convert an entire directory with ffmpeg?
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And on Windows:
FOR /F "tokens=*" %G IN ('dir /b *.flac') DO ffmpeg -i "%G" -acodec mp3 "%~nG.mp3"
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parsing JSONP $http.jsonp() response in angular.js
...You still need to set callback in the params:
var params = {
'a': b,
'token_auth': TOKEN,
'callback': 'functionName'
};
$sce.trustAsResourceUrl(url);
$http.jsonp(url, {
params: params
});
Where 'functionName' is a stringified reference to globally defined function. You can define it outs...
How to port data-only volumes from one host to another?
...-server on a machine you want to copy data from (You'll need the NGROK_AUTHTOKEN which can be obtained from ngrok dashboard):
$ docker run --rm -e NGROK_AUTHTOKEN="$NGROK_AUTHTOKEN" \
--mount source=MY_VOLUME,target=/data,readonly \
quay.io/suda/dvsync-server
Then you can start the dvsync-cli...
Graphviz: How to go from .dot to a graph?
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type: dot -Tps filename.dot -o outfile.ps
If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the outpu...
Storing SHA1 hash values in MySQL
...r performance reasons.
In my case the sha1 column is an email confirmation token, so on the landing page the query enters only with the token.
In this case CHAR(40) with INDEX, in my opinion, is the best choice :)
If you want to adopt this method, remember to leave $raw_output = false.
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Fastest method to replace all instances of a character in a string [duplicate]
...mple provided in the link above would be by far the fastest solution.
var token = "\r\n";
var newToken = " ";
var oldStr = "This is a test\r\nof the emergency broadcasting\r\nsystem.";
newStr = oldStr.split(token).join(newToken);
newStr would be
"This is a test of the emergency broadcast system."...