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What to do with commit made in a detached head
...
You can just do git merge <commit-number> or git cherry-pick <commit> <commit> ...
As suggested by Ryan Stewart you may also create a branch from the current HEAD:
git branch brand-name
Or just a tag:
git tag tag-name
...
How do I use the conditional operator (? :) in Ruby?
...t's an expression that works like:
if_this_is_a_true_value ? then_the_result_is_this : else_it_is_this
However, in Ruby, if is also an expression so: if a then b else c end === a ? b : c, except for precedence issues. Both are expressions.
Examples:
puts (if 1 then 2 else 3 end) # => 2
puts...
What is the difference between '@' and '=' in directive scope in AngularJS?
...bserve() if you are only using the value in a template. E.g., template: '<div>{{title}}</div>'.
With =, you don't need to use $observe.
Can I also access the parent scope directly, without decorating my element with an attribute?
Yes, but only if you don't use an isolate scope. ...
How to get the current time in milliseconds from C in Linux?
...e of how to use clock_gettime:
#define _POSIX_C_SOURCE 200809L
#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#include <time.h>
void print_current_time_with_ms (void)
{
long ms; // Milliseconds
time_t s; // Seconds
struct timesp...
How to automatically generate N “distinct” colors?
...sumes hue [0, 360), saturation [0, 100), lightness [0, 100)
for(i = 0; i < 360; i += 360 / num_colors) {
HSLColor c;
c.hue = i;
c.saturation = 90 + randf() * 10;
c.lightness = 50 + randf() * 10;
addColor(c);
}
...
Learn C first before learning Objective-C [closed]
...but it does have some prerequisites ("You should already know at least one scripting or programming language, including functions, variables and loops. You'll also need to type commands into the Mac OS X Terminal.").
(Just for the record and for context: I learned both at the same time back in 1991...
Practical usage of setjmp and longjmp in C
... MikeMB; though I have not yet had opportunity to verify that).
#include <stdio.h>
#include <setjmp.h>
jmp_buf bufferA, bufferB;
void routineB(); // forward declaration
void routineA()
{
int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
pr...
How do I escape a single quote?
...
These work "everywhere" except in VXML <var> Expression attributes where further escaping is necessary since in VXML <var> a String variable value is indicated as single quotes within the normal double quotes of the attribute definitions: <var name=...
How to convert number to words in java
...LessThanOneThousand(int number) {
String soFar;
if (number % 100 < 20){
soFar = numNames[number % 100];
number /= 100;
}
else {
soFar = numNames[number % 10];
number /= 10;
soFar = tensNames[number % 10] + soFar;
number /= 10;
}
if (nu...
javascript remove “disabled” attribute from html input
...uts = document.getElementsByClassName('my-input-class');
for(var i = 0; i < inputs.length; i++) {
inputs[i].disabled = false;
}
Where document could be replaced with a form, for instance, to find only the elements inside that form. You could also use getElementsByTagName('input') to get all...