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How can I start an interactive console for Perl?
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Matt Trout now has a far more up to date list of REPLs he recommends: shadow.cat/blog/matt-s-trout/mstpan-17
– Davor Cubranic
Oct 6 '16 at 22:33
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Mongod complains that there is no /data/db folder
...Instead I just used
sudo chown $USER /data/db
as an alternative and now mongod has the permissions it needs.
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Checking whether a variable is an integer or not [duplicate]
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That's good to know. Although, it's a float method, so it's not a general-purpose function that can be applied to any type to determine whether it's an integer.
– Craig McQueen
Sep 12 '13 at 23:50
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Export and Import all MySQL databases at one time
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I wrote this comment already more than 4 years ago and decided now to make it to an answer.
The script from jruzafa can be a bit simplified:
#!/bin/bash
USER="zend"
PASSWORD=""
#OUTPUT="/Users/rabino/DBs"
#rm "$OUTPUTDIR/*gz" > /dev/null 2>&1
ExcludeDatabases="Database|inf...
What's the fastest way to read a text file line-by-line?
I want to read a text file line by line. I wanted to know if I'm doing it as efficiently as possible within the .NET C# scope of things.
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How to keep the spaces at the end and/or at the beginning of a String?
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@greg7gkb Interesting, but I didn't know it's by default. You mean that if I use "setText" on the string resource, it will work the same?
– android developer
Oct 31 '14 at 22:05
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Passing a String by Reference in Java?
...that assignment creates a new string object that the copy of the reference now points to. The original reference still points to the empty string.
This would be the same for any object, i.e., setting it to a new value in a method. The example below just makes what is going on more obvious, but co...
Remove commas from the string using JavaScript
...alue.replace(/,/g, ""); // remove commas
value = parseFloat(value); // now parse to float should always be clean input
// Do the actual math and setState calls here
}
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What's the best way to generate a UML diagram from Python source code? [closed]
...ve heard of Pylint that helps statically checking Python code. Few people know that it comes with a tool named Pyreverse that draws UML diagrams from the python code it reads. Pyreverse uses graphviz as a backend.
It is used like this:
pyreverse -o png -p yourpackage .
where the . can also be a sin...
Reading value from console, interactively
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I removed the "end" listener from the example, I don't know where it will really be useful to be honest.
– rob
Nov 15 '11 at 23:08
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