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How to check if mysql database exists
Is it possible to check if a (MySQL) database exists after having made a connection.
21 Answers
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What should every JavaScript programmer know? [closed]
...re are some JavaScript language features that you should know to grok what it's doing and not get caught out, but which aren't immediately obvious to many people:
That object.prop and object['prop'] are the same thing (so can you please stop using eval, thanks); that object properties are always s...
How do I get the information from a meta tag with JavaScript?
...follow
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edited Oct 20 '18 at 0:55
neiker
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What does the “at” (@) symbol do in Python?
...ing at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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Where should virtualenvs be created?
... do:
mkvirtualenv djangoproject
and then later:
workon djangoproject
It's probably a bad idea to keep the virtualenv directory in the project itself, since you don't want to distribute it (it might be specific to your computer or operating system). Instead, keep a requirements.txt file using p...
How to make child process die after parent exits?
...cess which spawns exactly one child process. Now when the parent process exits for whatever reason (normally or abnormally, by kill, ^C, assert failure or anything else) I want the child process to die. How to do that correctly?
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How to avoid “too many parameters” problem in API design?
...ouping related parameters into related classes (but yet again problematic with mutability):
var request = new HttpWebRequest(a, b);
var service = new RestService(request, c, d, e);
var client = new RestClient(service, f, g);
var resource = client.RequestRestResource(); // O params after 3 objects
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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
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The parameter of exit should qualify if the execution of the program went good or bad. It's a sort of heredity from older programming languages where it's useful to know if something went wrong and what went wrong.
Exit code is
0 when execut...
Ember.js or Backbone.js for Restful backend [closed]
...lication open for long periods of time, perhaps all day, and interactions with the application's views or underlying data trigger deep changes in the view hierarchy. Ember is larger than Backbone, but thanks to Expires, Cache-Control this only matters on the the first load. After two days of daily u...
Why is Dictionary preferred over Hashtable in C#?
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For what it's worth, a Dictionary is (conceptually) a hash table.
If you meant "why do we use the Dictionary<TKey, TValue> class instead of the Hashtable class?", then it's an easy answer: Dictionary<TKey, TValue> is a ge...