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How can I undo a `git commit` locally and on a remote after `git push`
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The reference is called HEAD (case sensitive)
– dunni
Jun 23 '11 at 19:36
26
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The term “Context” in programming? [closed]
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Context can be seen as a bucket to pass information around. It is typically used to pass things not necessarily tied directly to a method call, but could still be pertinent. A layperson way of describing it might be "stuff you may care about".
For e.g. if you were writing a service to update ...
How to log out user from web site using BASIC authentication?
... designed to manage logging out. You can do it, but not completely automatically.
What you have to do is have the user click a logout link, and send a ‘401 Unauthorized’ in response, using the same realm and at the same URL folder level as the normal 401 you send requesting a login.
They must ...
How to stop a goroutine
I have a goroutine that calls a method, and passes returned value on a channel:
6 Answers
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Objective-C: Property / instance variable in category
...ue, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(se...
Calling constructor from other constructor in same class
...important:
private Test(bool a, int b)
{
// ... remember that this is called by the public constructor
// with `this(...`
if (hasValue(this.C))
{
// ...
}
this.A = a;
this.B = b;
}
Above, I have added a bogus function call that determines whether property...
Does the JVM prevent tail call optimizations?
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This post: Recursion or Iteration? might help.
In short, tail call optimization is hard to do in the JVM because of the security model and the need to always have a stack trace available. These requirements could in theory be supported, but it would probably require a new bytecode (see ...
How do I pass the this context to a function?
...
Javascripts .call() and .apply() methods allow you to set the context for a function.
var myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.c...
Find Oracle JDBC driver in Maven repository
...include the ojdbc6.jar file in the target WAR file.
1) Create a directory called "lib" in the root of your project.
2) Copy the ojdbc6.jar file there (whatever the jar is called.)
3) Create a dependency that looks something like this:
<dependency>
<groupId>com.oracle</groupId&...
Cannot push to Git repository on Bitbucket
...gent every time you run GitBash:
$ cat ~/.bashrc
If you see a function called start_agent, this step has already been completed.
If no file, continue.
If there is a file that does not contain this function, you're in a sticky situation. It's probably safe to append to it (using the instructions...