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How to change MenuItem icon in ActionBar programmatically
...thod
menu.getItem(0).setIcon(ContextCompat.getDrawable(this, R.drawable.ic_launcher));
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How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...let me fix that without any conflicts.
If you want all changes from branch_new in branch_old, then:
git checkout branch_new
git merge -s ours branch_old
git checkout branch_old
git merge branch_new
once applied those four commands you can push the branch_old without any problem
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Adding a directory to the PATH environment variable in Windows
...d window you have open:
set PATH=%PATH%;C:\your\path\here\
This command appends C:\your\path\here\ to the current PATH.
Breaking it down:
set – A command that changes cmd's environment variables only for the current cmd session; other programs and the system are unaffected.
PATH= – Signifi...
Why have header files and .cpp files? [closed]
...e the main reason for existence of HPP files is explained above.
#ifndef B_HPP_
#define B_HPP_
// The declarations in the B.hpp file
#endif // B_HPP_
or even simpler
#pragma once
// The declarations in the B.hpp file
...
Is volatile expensive?
...rites can in fact be faster then with multiple processors. There are some applications that would in fact run faster concurrently with a single CPU then multiple.
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What does status=canceled for a resource mean in Chrome Developer Tools?
...he source to find all the places where requests could get cancelled, and slapped breakpoints on all of them to debug. From memory, the only places where Chrome will cancel a request:
The DOM element that caused the request to be made got deleted (i.e. an IMG is being loaded, but before the load ha...
The term “Context” in programming? [closed]
...e is what is called "Context"
E.g.
Patient goes to doc and says treat_me ( "I have a headache" ) Doc
office gives the patient a form to fill. Patient fills form. The form
is used by the doctor to carry out the "treat_me" request.
Here is how the request now looks :
treat_me ( "i have a...
Remove sensitive files and their commits from Git history
...ges after this, they'll get a message indicating that the changes can't be applied because it's not a fast-forward.
To fix this, they'll have to either delete their existing repository and re-clone it, or follow the instructions under "RECOVERING FROM UPSTREAM REBASE" in the git-rebase manpage.
T...
window.onload vs
...Script libraries, Prototype, ExtJS, Dojo, JQuery, YUI, etc. provide nice wrappers around events that occur as the document is loaded. You can listen for the window onLoad event, and react to that, but onLoad is not fired until all resources have been downloaded, so your event handler won't be execut...
Pass Method as Parameter using C#
...er to this method directly
// in your own code.
private static int <>_HiddenMethod_<>(string x)
{
return x.Length;
}
and then pass that delegate to the RunTheMethod method.
You can use delegates for event subscriptions, asynchronous execution, callbacks - all kinds of things. It's...