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How to handle Handler messages when activity/fragment is paused
...stanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public void onResume() {
super.onResume();
handler.setActivity(getActivity());
handler.resume();
}
...
How to compare a local git branch with its remote branch?
...branch you're tracking, use
git diff @{upstream}
if your upstream isn't set (commonly the case, thanks Arijoon in comments)
git diff @{push}
Courtesy of this answer, the git documentation for specifying revisions has:
<branchname>@{upstream}, e.g. master@{upstream}, @{u}
The suffix...
What is a stored procedure?
...
A stored procedure is a set of precompiled SQL statements that are used to perform a special task.
Example: If I have an Employee table
Employee ID Name Age Mobile
---------------------------------------
001 Sidheswar 25 993888...
Performing a Stress Test on Web Application?
...he server to the tune of almost a million hits/hour. It was much easier to setup than I was expecting.
Has an active community and good resources to help you get up and running. Read the tutorials first and play with it for a while.
Cons:
The UI is written in Swing. (ugh!)
JMeter works by parsi...
Git undo local branch delete
...
You can use git reflog to find the SHA1 of the last commit of the branch. From that point, you can recreate a branch using
git branch branchName <sha1>
Edit: As @seagullJS says, the branch -D command tells you the sha1, so if you have...
redirect COPY of stdout to log file from within bash script itself
...LOGGING" != "1" ]
then
# The parent process will enter this branch and set up logging
# Create a named piped for logging the child's output
PIPE=tmp.fifo
mkfifo $PIPE
# Launch the child process with stdout redirected to the named pipe
SELF_LOGGING=1 sh $0 $* >$PIPE &...
Java: How to get input from System.console()
I am trying to use Console class to get input from user but a null object is returned when I call System.console() . Do I have to change anything before using System.console?
...
How do you join on the same table, twice, in mysql?
...ther join, something along these lines:
SELECT toD.dom_url AS ToURL,
fromD.dom_url AS FromUrl,
rvw.*
FROM reviews AS rvw
LEFT JOIN domain AS toD
ON toD.Dom_ID = rvw.rev_dom_for
LEFT JOIN domain AS fromD
ON fromD.Dom_ID = rvw.rev_dom_from
EDIT:
All you're doing is joining i...
How is an HTTP POST request made in node.js?
... 'Content-Length': Buffer.byteLength(post_data)
}
};
// Set up the request
var post_req = http.request(post_options, function(res) {
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('Response: ' + chunk);
});
});
// post the...
Regex Match all characters between two strings
...te that in the demo the "dot matches line breaks mode" (a.k.a.) dot-all is set (see how to turn on DOTALL in various languages). In many regex flavors, you can set it with the online modifier (?s), turning the expression into:
(?s)(?<=This is).*?(?=sentence)
Reference
The Many Degrees of R...