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How do you remove a specific revision in the git history?
...revision 3, you might want to use git revert.
Git revert simply creates a new revision with changes that undo all of the changes in the revision you are reverting.
What this means, is that you retain information about both the unwanted commit, and the commit that removes those changes.
This is pr...
Difference between DateTime and Time in Ruby
...
Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Pickin...
In C#, why is String a reference type that behaves like a value type?
...you add to it, you are actually creating another String object, allocating new memory for it.
– codekaizen
Jun 25 '10 at 15:49
...
django change default runserver port
...
We created a new 'runserver' management command which is a thin wrapper around the standard one but changes the default port. Roughly, you create management/commands/runserver.py and put in something like this:
# Override the value of t...
AngularJS: how to implement a simple file upload with multipart form?
... the user.
controller
$scope.uploadFile = function(files) {
var fd = new FormData();
//Take the first selected file
fd.append("file", files[0]);
$http.post(uploadUrl, fd, {
withCredentials: true,
headers: {'Content-Type': undefined },
transformRequest: angu...
Why would I ever use push_back instead of emplace_back?
C++11 vectors have the new function emplace_back . Unlike push_back , which relies on compiler optimizations to avoid copies, emplace_back uses perfect forwarding to send the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything p...
Show compose SMS view in Android
...
You can use the following code:
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("sms:"
+ phoneNumber)));
Make sure you set phoneNumber to the phone number that you want to send the message to
You can add a message to the SMS with (from c...
Do HttpClient and HttpClientHandler have to be disposed between requests?
...SE IT LATER"? For instance, if a method is called repeatedly and creates a new HttpClient instance (even though it's not the recommended pattern in most cases), would it still be correct to say this method should not dispose the instance (that will not be reused)? It could lead to thousands of undis...
“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
...oes require openSSL, not sure if that helps. If not, might want to post a new question since the scenario has changed a bit.
– Jim O'Neil
Aug 14 '12 at 3:41
5
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How do you display JavaScript datetime in 12 hour AM/PM format?
... + ':' + minutes + ' ' + ampm;
return strTime;
}
console.log(formatAMPM(new Date));
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