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convert a JavaScript string variable to decimal/money
...parseFloat(document.getElementById(amtid4).innerHTML).toFixed(2);
num is now a string with the number formatted with two decimal places.
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When is JavaScript synchronous?
...n the abc() execution context is created and put on the execution stack... Now when abc() finishes its context is popped from stack, then the xyz() context is popped from stack and then global context will be popped...
Now about asynchronous callbacks; asynchronous means more than one at a time.
...
UIButton custom font vertical alignment
...s unpack the OS X Font Tools.pkg with
~$ xar -xf OS\ X\ Font\ Tools.pkg
Now navigate into the folder fontTools.pkg with
~$ cd fontTools.pkg/
Extract payload with
~$ cat Payload | gunzip -dc | cpio -i
Now the ftxdumperfuser binary is in your current folder. You could move it to /usr/local/b...
How to make lists contain only distinct element in Python? [duplicate]
... i am wrong or with python3k the values will be preserved, cause set now are sorted?
– Ant
Dec 16 '10 at 10:32
2
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What's this =! operator? [duplicate]
...ls' operator. This usage was deprecated by the creation of Standard C, so now it means 'assign the logical inverse', as in a = !b. This is a good argument for always surrounding binary operators with spaces, just to make it clear to the humans reading the code what the compiler is thinking.
I'm a...
Creating an array of objects in Java
....creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
...
setImmediate vs. nextTick
...rying to break up a long running, CPU-bound job using recursion, you would now want to use setImmediate rather than process.nextTick to queue the next iteration as otherwise any I/O event callbacks wouldn't get the chance to run between iterations.
...
Change key pair for ec2 instance
...ould do the trick for #5. And don't forget step 13. is probably rm ~/.ssh/known_hosts on boxes you've been connecting from.
– brandonscript
Apr 9 '14 at 6:38
...
Set UILabel line spacing
...SAttributedString's old attributedStringWithString did the same thing, but now that is being deprecated.
For historical reasons, here's my original answer:
Short answer: you can't. To change the spacing between lines of text, you will have to subclass UILabel and roll your own drawTextInRect, crea...
Unicode Processing in C++
...ng so new at present.
EDIT: To clarify, C++11 is Unicode aware in that it now has support for Unicode literals and Unicode strings. However, the standard library has only limited support for Unicode processing and conversion. For your current needs this may be enough. However, if you need to do a l...