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Python TypeError: not enough arguments for format string
...gs I believe... some of these can be NoneType but it fails immediately, before ones like that...
3 Answers
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)
...ust use each attribute: nonatomic , copy , strong , weak , and so on, for a declared property, and explain what each does? Some sort of example would be great also. I am using ARC.
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How to optimize imports automatically after each save in IntelliJ IDEA
I want to learn how can I automatically optimize imports after each save as we do Eclipse( save actions ).
4 Answers
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How do I loop through a date range?
I'm not even sure how to do this without using some horrible for loop/counter type solution. Here's the problem:
16 Answer...
How to get a list of installed android applications and pick one to run
...tent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> pkgAppsList = context.getPackageManager().queryIntentActivities( mainIntent, 0);
You will get all the necessary data in the ResolveInfo to start a application. You can ...
Capture Video of Android's Screen
Forget screenshots, is it posible to capture a video of the running application in android?
Rooted or non-rooted, I don't care, I want atleast 15fps.
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PostgreSQL error: Fatal: role “username” does not exist
...greSQL: can't createdb , can't createuser ; all operations return the error message
15 Answers
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“used as value” in function call
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You've forgotten to declare a return value. It should be:
func sumThis(a, b int) int {
// ...
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What is the proper way to check if a string is empty in Perl?
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For string comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them.
See the per...
deleting rows in numpy array
...ld find the indices of the rows which have a 0 in them, put them in a list or a tuple and pass this as the second argument of the function.
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