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Can I have an IF block in DOS batch file?
...t, and the opening parenthesis.
I am setting @echo off to keep from seeing all of the statements printed to the console as they execute, and instead just see the output of those that specifically begin with echo.
I'm using the built-in ERRORLEVEL variable just as a test. Read more here
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Convert seconds to HH-MM-SS with JavaScript?
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Granted Moment.js isn't all that big but if all you're doing with it is to convert seconds to hh:mm:ss, it seems like a bit of overkill. Rather use one of the functions suggested in these or other answers.
– Ola Karlsson
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EJB's - when to use Remote and/or local interfaces?
...be remote components and the only way to invoke them was to make a remote call, using RMI semantics and all the overhead it implies (a network call and object serialization for every method call). EJB clients had to pay this performance penalty even when collocated in the same virtual machine with t...
How to pass in password to pg_dump?
...if you have multiple commands that would require password you can put them all in the script. If the password changes you only have to change it in one place (the script).
And I agree with Joshua, using pg_dump -Fc generates the most flexible export format and is already compressed. For more info s...
cURL equivalent in Node.js?
I'm looking to use information from an HTTP request using Node.js (i.e. call a remote web service and echo the response to the client).
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When and why would you seal a class?
... features, so that the original object cannot be "impersonated".
More generally, I recently exchanged with a person at Microsoft, who told me they tried to limit the inheritance to the places where it really made full sense, because it becomes expensive performance-wise if left untreated. The sealed...
How do I scale a stubborn SVG embedded with the tag?
...nd this information here:
https://blueprints.launchpad.net/inkscape/+spec/allow-browser-resizing
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Convert float to double without losing precision
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It's not that you're actually getting extra precision - it's that the float didn't accurately represent the number you were aiming for originally. The double is representing the original float accurately; toString is showing the "extra" data which wa...
Is it possible to hide the cursor in a webpage using CSS or Javascript?
...when showing a webpage that is meant to display information in a building hall. It doesn't have to be interactive at all. I tried with the cursor property and a transparent cursor image but I didn't make it work.
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How do I remove an item from a stl vector with a certain value?
...n for stl vector, and noticed there was no method on the vector class that allowed the removal of an element with a certain value. This seems like a common operation, and it seems odd that there's no built in way to do this.
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