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Dynamically changing font size of UILabel
...loat)i];
NSAttributedString *attributedText = [[NSAttributedString alloc] initWithString:text attributes:@{NSFontAttributeName: font}];
CGRect rectSize = [attributedText boundingRectWithSize:CGSizeMake(self.frame.size.width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin...
The easiest way to transform collection to array?
...bly because it's an intrinsic.
It can avoid zero-filling the freshly allocated array because it knows the
entire array contents will be overwritten. This is true regardless of what
the public API looks like.
The implementation of the API within the JDK reads:
default <T> T[] to...
Iterating each character in a string using Python
...thon 2.x, range() creates a list, so for a very long length you may end up allocating a very large block of memory. At the very least use xrange() in those cases. Also, repeated indexing of the same string is much slower than iterating directly over the string. If you need the index, use enumerate()...
File to byte[] in Java
...
Basically you have to read it in memory. Open the file, allocate the array, and read the contents from the file into the array.
The simplest way is something similar to this:
public byte[] read(File file) throws IOException, FileTooBigException {
if (file.length() > MAX...
Python strptime() and timezones?
...thon2.7/site-packages/dateutil/parser.py", line 310, in parse res, skipped_tokens = self._parse(timestr, **kwargs) TypeError: 'NoneType' object is not iterable
– wanghq
Apr 29 '14 at 0:16
...
What does T&& (double ampersand) mean in C++11?
...just be destroyed; why not make use of the resources the temporary already allocated? In C++03, there's no way to prevent the copy as we cannot determine we were passed a temporary. In C++11, we can overload a move constructor:
foo(foo&& other)
{
this->length = other.length;
this...
Logical operator in a handlebars.js {{#if}} conditional
...to pass the operator as a string or else the compiler will error out while tokenizing your template. {{#ifCond true '==' false}}
– Joe Holloway
Jul 11 '13 at 20:11
...
Unable to execute dex: GC overhead limit exceeded in Eclipse
... than about 1500M (on Linux) or 1100M (on Windows) because the VM needs to allocate contiguous address space, and that's a very limited resource for 32-bit apps.
– Jules
May 12 '14 at 4:07
...
Hexadecimal To Decimal in Shell Script
...var4; var5=$(($var4-$var3))
bash: -: syntax error: operand expected (error token is "-")
That could happen because the value given to bc was incorrect. That might well be that bc needs UPPERcase values. It needs BFCA3000, not bfca3000. That is easily fixed in bash, just use the ^^ expansion:
var3...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...st make sure your pointers are still valid after the delay (ie. no objects allocated on stack).
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