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EF Migrations: Rollback last applied migration?
...some clarification to this thread:
Update-Database -TargetMigration:"name_of_migration"
What you are doing above is saying that you want to rollback all migrations UNTIL you're left with the migration specified. Thus, if you use GET-MIGRATIONS and you find that you have A, B, C, D, and E, then u...
ERROR: Error installing capybara-webkit:
...udo apt-get install g++ qt5-default libqt5webkit5-dev gstreamer1.0-plugins-base gstreamer1.0-tools gstreamer1.0-x
Then install the gem with the required version:
gem install capybara-webkit -v '1.11.0'
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Identify if a string is a number
...you can discard the out parameter
var isNumeric = int.TryParse("123", out _);
The var s can be replaced by their respective types!
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How to change current working directory using a batch file
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Can I return the 'id' field after a LINQ insert?
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Maybe you'll need to set your field to "database generated" and "update on insert" for this to work.
– Sam
Sep 22 '08 at 9:57
1
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Deleting multiple elements from a list
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As a function:
def multi_delete(list_, *args):
indexes = sorted(list(args), reverse=True)
for index in indexes:
del list_[index]
return list_
Runs in n log(n) time, which should make it the fastest correct solution yet.
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How to get current time and date in C++?
...utput functions that take into account localization.
// Current date/time based on current system
time_t now = time(0);
// Convert now to tm struct for local timezone
tm* localtm = localtime(&now);
cout << "The local date and time is: " << asctime(localtm) << endl;
// Conver...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...URLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
if (data) {
UIImage *image = [UIImage imageWithData:data];
if (image) {
dispatch_async(dispatch_...
How to get body of a POST in php?
...dy of a POST or PUT request (or any other HTTP method):
$entityBody = file_get_contents('php://input');
Also, the STDIN constant is an already-open stream to php://input, so you can alternatively do:
$entityBody = stream_get_contents(STDIN);
From the PHP manual entry on I/O streamsdocs:
ph...
How do you move a commit to the staging area in git?
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