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What underlies this JavaScript idiom: var self = this?
...s being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event handlers (especially in closures).
Edit: Note that using self is now discouraged as window.self exists and has the potential to cause errors if you are not careful.
What...
In Clojure how can I convert a String to a number?
I have various strings, some like "45", some like "45px". How how I convert both of these to the number 45?
12 Answers
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What is the difference between DSA and RSA?
...ption and digital signatures,
simply by reversing the order in which the exponents are used:
the secret exponent (d) to create the signature, the public exponent (e)
for anyone to verify the signature. Everything else is identical.
DSA (Digital Signature Algorithm)
DSA is a variant on the ElG...
Dynamically changing font size of UILabel
...Label.adjustsFontSizeToFitWidth = YES;
The above code will adjust your text's font size down to (for example) 8 trying to fit your text within the label.
numberOfLines = 1 is mandatory.
Multiple lines:
For numberOfLines > 1 there is a method to figure out the size of final text through NSStr...
How do you import a large MS SQL .sql file?
...ere>.sql
Just replace <server> with the location of your SQL box and <your file here> with the name of your script. Don't forget, if you're using a SQL instance the syntax is:
sqlcmd -S <server>\instance.
Here is the list of all arguments you can pass sqlcmd:
Sqlcmd ...
Installing a dependency with Bower from URL and specify version
...s a Git endpoint, and specifying the versioning works. If you specify for example a Javascript file directly, this does not work
– Edmondo1984
Oct 14 '13 at 4:51
1
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A Windows equivalent of the Unix tail command [closed]
I'm looking for the equivalent of the Unix 'tail' command that will allow me to watch the output of a log file while it is being written to.
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Multiline Comment Workarounds?
...
This does come up on the mailing list fairly regularly, see for example this recent thread on r-help. The consensus answer usually is the one shown above: that given that the language has no direct support, you have to either
work with an editor that has region-to-comment commands, and ...
What is the difference between AF_INET and PF_INET in socket programming?
...
Beej's famous network programming guide gives a nice explanation:
In some documentation, you'll see mention of a mystical "PF_INET".
This is a weird etherial beast that is rarely seen in nature, but I
might as well clarify it a bit here. Once a long time ago, it was
th...
How to set the JDK Netbeans runs on?
...the solution in the "suggested" link, update the following file (replace 7.x with your Netbeans version) :
C:\Program Files\NetBeans 7.x\etc\netbeans.conf
Change the following line to point it where your java installation is :
netbeans_jdkhome="C:\Program Files\Java\jdk1.7xxxxx"
You may need A...