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How to check if an object is a certain type
...different object each time. For example, in one case I am using a ListView and in another case I am passing a DropDownList.
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Named placeholders in string formatting
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You can set a custom VariableResolver and throw an Exception if the key isn't present in the map.
– Mene
Apr 21 '16 at 14:21
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REST HTTP status codes for failed validation or invalid duplicate
I'm building an application with a REST-based API and have come to the point where i'm specifying status codes for each requests.
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You must enable the openssl extension to download files via https
...eton application. As mentioned in the ZF2 manual, we have to issue the command
13 Answers
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Hibernate: hbm2ddl.auto=update in production?
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Also updating a db schema should be handled by the professionals ( dbas ). Recovering from a bad db change is difficult at best. Vova didn't mention it - but what happens if hibernate's update decides to drop a column and re-add it because the type or size chan...
Error while pull from git - insufficient permission for adding an object to repository database .git
... @MattK this will get the top-level directory of your repo, so the command will work regardless of where in your repo you currently are. If you're already in the root you can just run sudo chown -R $USER:$USER .git
– dwurf
May 29 '14 at 2:31
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What does a tilde in angle brackets mean when creating a Java generic class?
I was reading through some JMockit examples and found this code:
4 Answers
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ModelState.AddModelError - How can I add an error that isn't for a property?
...g my database in Create(FooViewModel fvm){...} to see if the fvm.prop1 and fvm.prop2 already exist in that combination; if so, I want to add an error to the modelstate, then return the whole view. I tried:
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How to start nginx via different port(other than 80)
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You have to go to the /etc/nginx/sites-enabled/ and if this is the default configuration, then there should be a file by name: default.
Edit that file by defining your desired port; in the snippet below, we are serving the Nginx instance on port 81.
server {
listen 8...
How to print without newline or space?
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In Python 3, you can use the sep= and end= parameters of the print function:
To not add a newline to the end of the string:
print('.', end='')
To not add a space between all the function arguments you want to print:
print('a', 'b', 'c', sep='')
You can...