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How to use “raise” keyword in Python [duplicate]
I have read the official definition of "raise", but I still don't quite understand what it does.
6 Answers
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Chrome doesn't delete session cookies
I'm trying to set session cookie in javascript like this:
13 Answers
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Citing the author of a blockquote using Markdown syntax
...ave the quote followed by a citation beneath it, but right now all it does is blockquote the whole line. How does one do this in markdown syntax?
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How to get a resource id with a known resource name?
...ou can always use a context's getResources method ...
Drawable resImg = this.context.getResources().getDrawable(R.drawable.resource);
Where this.context is intialised as an Activity, Service or any other Context subclass.
Update:
If it's the name you want, the Resources class (returned by getRe...
How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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Setting up foreign keys in phpMyAdmin?
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edited Feb 22 '17 at 18:57
Sameer
3,22322 gold bad...
optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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I do this:
<% some_local = default_value if local_assigns[:some_local].nil? %>
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SearchView's OnCloseListener doesn't work
...e SearchView in the Android 3.0+ ActionBar, but I can't get the OnCloseListener to work.
18 Answers
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How to avoid 'cannot read property of undefined' errors?
...has added support for optional chaining in version 3.7.
// use it like this
obj?.a?.lot?.of?.properties
Solution for JavaScript before ECMASCript 2020 or TypeScript older than version 3.7:
A quick workaround is using a try/catch helper function with ES6 arrow function:
function getSafe(fn, d...
Multiple INSERT statements vs. single INSERT with multiple VALUES
I'm running a performance comparison between using 1000 INSERT statements:
4 Answers
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