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Is there shorthand for returning a default value if None in Python? [duplicate]
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x or "default"
works best — i can even use a function call inline, without executing it twice or using extra variable:
self.lineEdit_path.setText( self.getDir(basepath) or basepath )
I use it when opening Qt's dialog.getExistingDirectory() and canceling, which returns empty s...
Prevent redirection of Xmlhttprequest
...hile observing
the same-origin request event rules.
They were considering it for a future release:
This specification does not include
the following features which are being
considered for a future version of
this specification:
Property to disable following redirects;
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Changing column names of a data frame
I have a data frame called "newprice" (see below) and I want to change the column names in my program in R.
16 Answers
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What are the correct link options to use std::thread in GCC under linux?
...ether with -static!!!
See here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52590#c4
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Install go with brew, and running the gotour
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IntelliJ Idea not finding the GOPATH defined in your .bashrc? In step 2 paste the export lines in .bash_profile, not in .bashrc, restart your mac and IntelliJ will find GOPATH (just tested, reboot needed)
– firep...
Deleting all files from a folder using PHP?
For example I had a folder called `Temp' and I wanted to delete or flush all files from this folder using PHP. Could I do this?
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Apache POI Excel - how to configure columns to be expanded?
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After you have added all your data to the sheet, you can call autoSizeColumn(int column) on your sheet to autofit the columns to the proper size
Here is a link to the API.
See this post for more reference
Problem in fitting the excel cell size to the size of the content when usin...
Getting the folder name from a path
...olderName = Path.GetFileName( Path.GetDirectoryName( path ) );
The inner call to GetDirectoryName will return the full path, while the outer call to GetFileName() will return the last path component - which will be the folder name.
This approach works whether or not the path actually exists. This...
How do I redirect with JavaScript? [duplicate]
... might not always be the best option. If one is redirecting after an AJAX call completes or something, keeping the originating page in history might be expected. It really depends on the situation!
– dlkulp
Jan 21 '19 at 20:07
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How do I check if an object has a specific property in JavaScript?
... depends on what you're looking for. If you want to know if an object physically contains a property (and it is not coming from somewhere up on the prototype chain) then object.hasOwnProperty is the way to go. All modern browsers support it. (It was missing in older versions of Safari - 2.0.1 and ol...