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Is explicitly closing files important?
... Python aren't guaranteed to work this way. For example IronPython, PyPy, and Jython don't use reference counting and therefore won't close the file at the end of the loop.
It's bad practice to rely on CPython's garbage collection implementation because it makes your code less portable. You might...
Check if user is using IE
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@verism and others: check this answer that also works for IE 11: stackoverflow.com/a/21712356/114029
– Leniel Maccaferri
Nov 16 '14 at 1:10
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Get the index of the nth occurrence of a string?
...if you think about it. (IndexOf will return as soon as it finds the match, and you'll keep going from where it left off.)
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MySQL error 1449: The user specified as a definer does not exist
...M information_schema.views
WHERE table_schema='your-database-name';
Copy and run the ALTER statements
How to change the definer for stored procedures
Example:
UPDATE `mysql`.`proc` p SET definer = 'user@%' WHERE definer='root@%'
Be careful, because this will change all the definers for all d...
Different ways of adding to Dictionary
What is the difference in Dictionary.add(key, value) and Dictionary[key] = value ?
8 Answers
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UI Terminology: Logon vs Login [closed]
I am crafting an application and cannot decide whether to use the terms Login/out or Logon/off . Is there a more correct option between these two? Should I use something else entirely (like "Sign on/off").
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Linq: GroupBy, Sum and Count
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I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group.
I think you just want:
List<ResultLine> result = Lin...
Return a value from AsyncTask in Android [duplicate]
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Why not call a method that handles the value?
public class MyClass extends Activity {
private class myTask extends AsyncTask<Void, Void, Void> {
//initiate vars
public myTask() {
super();
//my params ...
All falsey values in JavaScript
...ing that they evaluate as false in expressions like if(value) , value ? and !value ?
4 Answers
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What's the difference between TRUNCATE and DELETE in SQL
What's the difference between TRUNCATE and DELETE in SQL?
32 Answers
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