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typecast string to integer - Postgres
I am importing data from a table which has raw feeds in Varchar, I need to import a column in varchar into a string column. I tried using the <column_name>::integer as well as to_number(<column_name>,'9999999') but I am getting errors, as there are a few empty fields, I need to retri...
What is the difference between '@' and '=' in directive scope in AngularJS?
I've read the AngularJS documentation on the topic carefully, and then fiddled around with a directive. Here's the fiddle .
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What is __future__ in Python used for and how/when to use it, and how it works
...nderstand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
8 Answers
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A variable modified inside a while loop is not remembered
In the following program, if I set the variable $foo to the value 1 inside the first if statement, it works in the sense that its value is remembered after the if statement. However, when I set the same variable to the value 2 inside an if which is inside a while statement, it's forgotten af...
Delete the first three rows of a dataframe in pandas
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Use iloc:
df = df.iloc[3:]
will give you a new df without the first three rows.
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How to change font of UIButton with Swift
I am trying to change the font of a UIButton using Swift...
16 Answers
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Converting datetime.date to UTC timestamp in Python
I am dealing with dates in Python and I need to convert them to UTC timestamps to be used
inside Javascript. The following code does not work:
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How to validate inputs dynamically created using ng-repeat, ng-show (angular)
I have a table that is created using ng-repeat. I want to add validation to each element in the table. The problem is that each input cell has the same name as the cell above and below it. I attempted to use the {{$index}} value to name the inputs, but despite the string literals in HTML appearing...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
...o create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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Changes in import statement python3
I don't understand the following from pep-0404
4 Answers
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