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How do I create directory if it doesn't exist to create a file?
...lready exists, this method does nothing.
System.IO.File.WriteAllText(file.FullName, content);
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How to create a protocol with methods that are optional?
...d methods marked optional in several protocols defined in the iPhone SDK, such as the UIActionSheetDelegate protocol for example.
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Filtering a list of strings based on contents
Given the list ['a','ab','abc','bac'] , I want to compute a list with strings that have 'ab' in them. I.e. the result is ['ab','abc'] . How can this be done in Python?
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How to change the playing speed of videos in HTML5?
...w to change the video play speed in HTML5? I've checked video tag's attributes in w3school but couldn't approach that.Any help would be appreciated!
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how to fire event on file select
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Use the change event on the file input.
$("#file").change(function(){
//submit the form here
});
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Convert a list of data frames into one data frame
I have code that at one place ends up with a list of data frames which I really want to convert to a single big data frame.
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PostgreSQL: Can you create an index in the CREATE TABLE definition?
I want to add indexes to some of the columns in a table on creation. Is there are way to add them to the CREATE TABLE definition or do I have to add them afterward with another query?
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creating a random number using MYSQL
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 A...
Find and replace string values in list
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edited Aug 27 '19 at 12:55
Teymour Aldridge
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