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When to use PNG or JPG in iPhone development?
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PNG's are pixel perfect (non-lossy), and require very little extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to ...
What is the bit size of long on 64-bit Windows?
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In the Unix world, there were a few possible arrangements for the sizes of integers and pointers for 64-bit platforms. The two mostly widely used were ILP64 (actually, only a very few examples of this; Cray was one such) and LP64 (for...
How to easily resize/optimize an image size with iOS?
...isk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance.
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How to count total lines changed by a specific author in a Git repository?
... find the difference here if you search for tformat but basically its the exact same but tformat puts a terminator character (usually a newline) at the end of each line
– aug
May 29 '14 at 6:34
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git replace local version with remote version
... one file (or a selection) from upstream. You don't want to affect the index directly (so you would go through add + commit as usual).
Simply do
git checkout remote/branch -- a/file b/another/file
If you want to do this for extensive subtrees and instead wish to affect the index directly use
gi...
Objective-C: Where to remove observer for NSNotification?
...ct is no longer ready (or required) to receive notifications. That is the exact right moment. Unfortunately, not knowing the answers to any of the questions mentioned above, I cannot even guess, when that moment would be.
You can always safely removeObserver: an object multiple times (and all but t...
Download the Android SDK components for offline install
... both sites download URLs seem to be blocked (throws a connection refused exception)
11 Answers
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How do I parse command line arguments in Java?
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public class Main {
public static void main(String[] args) throws Exception {
Options options = new Options();
Option input = new Option("i", "input", true, "input file path");
input.setRequired(true);
options.addOption(input);
Option output = new O...
Random row from Linq to Sql
...se, by using a fake UDF; in a partial class, add a method to the data context:
partial class MyDataContext {
[Function(Name="NEWID", IsComposable=true)]
public Guid Random()
{ // to prove not used by our C# code...
throw new NotImplementedException();
}
}
Then jus...
Are there any smart cases of runtime code modification?
...ch involves the dynamic creation of code on the stack (or another place). Examples are GCC's nested functions and the signal mechanism of some Unices.
Sometimes code is translated into code at runtime (this is called dynamic binary translation):
Emulators like Apple's Rosetta use this technique ...