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How to set a timer in android
... For normal timing operations (ticks, timeouts, etc) it is easier and much more efficient to use Handler."
– Christopher Perry
Nov 5 '11 at 18:42
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Can I set variables to undefined or pass undefined as an argument?
...ed object later on in the script it'll go wrong in a weird way that's much more difficult to track down than if JavaScript had just thrown an error straight away.)
This is often used to check for the existence of properties:
if (o.prop!==undefined) // or often as truthiness test, if (o.prop)
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Bash history without line numbers
...mand was padding the line numbers with spaces and now the cut syntax makes more sense :) Thanks @Keith Thompson for your solution that will work for > 100k histories.
– cwd
Aug 18 '11 at 16:00
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Why is Linux called a monolithic kernel?
...lds-Tanenbaum debate on kernel design'. It's even funnier to read in 2013, more than 20 years after it transpired. The funniest part was Linus' signature in one of the last messages:
Linus "my first, and hopefully last flamefest" Torvalds
Obviously, that did not come true any more than Tanenbaum'...
How are virtual functions and vtable implemented?
...ists of addresses to the virtual functions for classes that contain one or more virtual functions. The object of the class containing the virtual function contains a virtual pointer that points to the base address of the virtual table in memory. Whenever there is a virtual function call, the v-table...
How do I solve the INSTALL_FAILED_DEXOPT error?
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Why use String.Format? [duplicate]
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How to search by key=>value in a multidimensional array in PHP
... some useful detail, particularly Pro PHP; and you can probably google for more info, too.
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Shortcuts in Objective-C to concatenate NSStrings
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+1 for this answer. [NSMutableString appendString] is more memory friendly than [NSString stringByAppendingStrings].
– Pierre-David Belanger
Sep 27 '11 at 14:22
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How to send an email with Python?
...t if you follow this approach, the "simple" task is indeed simple, and the more complex tasks (like attaching binary objects or sending plain/HTML multipart messages) are accomplished very rapidly.
# Import smtplib for the actual sending function
import smtplib
# Import the email modules we'll nee...