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How do you use gcc to generate assembly code in Intel syntax?
...ax.
example: mov eax, 0xFF -> TRUE, mov eax, 0FFh -> FALSE.
That's all.
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Git command to show which specific files are ignored by .gitignore
...kes a file to be ignored in your git repo.
On Unix, using "What expands to all files in current directory recursively?" and a bash4+:
git check-ignore **/*
(or a find -exec command)
Note: https://stackoverflow.com/users/351947/Rafi B. suggests in the comments to avoid the (risky) globstar:
git ...
How to convert a byte array to a hex string in Java?
...
From the discussion here, and especially this answer, this is the function I currently use:
private static final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
public static String bytesToHex(byte[] bytes) {
char[] hexChars = new char[bytes.length * 2...
How to get Erlang's release version number from a shell?
...
erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell
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remove legend title in ggplot
...
This will remove all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = ...
Is there a way to make R beep/play a sound at the end of a script?
...ion sounds in R which should work cross-platform. Run the following to install beepr and make a sound:
install.packages("beepr")
library(beepr)
beep()
More info at github: https://github.com/rasmusab/beepr
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How to initialize static variables
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I love PHP, but it's really odd sometimes.
– Marco Demaio
Nov 10 '11 at 21:46
6
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How can I change image tintColor in iOS and WatchKit
...; ())
/// - Returns: UIImage
fileprivate func modifiedImage(_ draw: (CGContext, CGRect) -> ()) -> UIImage {
// using scale correctly preserves retina images
UIGraphicsBeginImageContextWithOptions(size, false, scale)
let context: CGContext! = UIGr...
Why do we need C Unions?
...le types together:
enum Type { INTS, FLOATS, DOUBLE };
struct S
{
Type s_type;
union
{
int s_ints[2];
float s_floats[2];
double s_double;
};
};
void do_something(struct S *s)
{
switch(s->s_type)
{
case INTS: // do something with s->s_ints
break;
case F...
How does having a dynamic variable affect performance?
...Generator();
if (!method.IsStatic)
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Unbox_Any, method.DeclaringType);
}
var parameters = method.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCo...