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What's the idiomatic syntax for prepending to a short python list?
... explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is
4 A...
How do I get the path to the current script with Node.js?
...hrough the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/home/kyle/some/dir/file.js)
__dirname is the directory name of the...
MySQL IF NOT NULL, then display 1, else display 0
...ULL) AS addressexists
This works because TRUE is displayed as 1 in MySQL and FALSE as 0.
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from jquery $.ajax to angular $http
...ethod)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info of the...
What is the difference between the add and offer methods in a Queue in Java?
... element can not be added to collection the add method throws an exception and offer doesn't.
From: http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html#add%28E%29
If a collection refuses to add a
particular element for any reason
other than that it already contains
the eleme...
How do you remove duplicates from a list whilst preserving order?
...o seen_add instead of just calling seen.add? Python is a dynamic language, and resolving seen.add each iteration is more costly than resolving a local variable. seen.add could have changed between iterations, and the runtime isn't smart enough to rule that out. To play it safe, it has to check the o...
Different ways of clearing lists
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Why the first one will only affect a? I thought a and b reference to the same object... Just wanna know why. Thanks.
– Alston
Nov 22 '14 at 9:48
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Restore file from old commit in git
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Wow, @heneryville and sehe , I actually thought '7 days ago' was meta for you would figure out what commit. ty!
– AnneTheAgile
Apr 1 '14 at 19:49
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How to install the JDK on Ubuntu Linux
...repository:
sudo add-apt-repository ppa:openjdk-r/ppa # only Ubuntu 17.4 and earlier
sudo apt update
Optional: To search available distributions of openjdk, use the following command:
apt search openjdk
Install the appropriate version with the following command:
sudo apt install openjdk-8-jdk
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Xcode Find and replace in all project files
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are there shortcuts? ⌘3 opens find and search but can I also switch between find and replace?
– IceFire
Oct 30 '18 at 7:21
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