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1500 questions
2932
votes
27 answers
Convert string "Jun 1 2005 1:33PM" into datetime
I have a huge list of datetime strings like the following
["Jun 1 2005 1:33PM", "Aug 28 1999 12:00AM"]
How do I convert them into datetime objects?
Oli
- 235,628
- 64
- 220
- 299
2931
votes
35 answers
Find the version of an installed npm package
How can I find the version of an installed Node.js or npm package?
This prints the version of npm itself:
npm -v
This prints a cryptic error:
npm version
This prints the package version on the registry (i.e., the…
Laurent Couvidou
- 32,354
- 3
- 30
- 46
2911
votes
91 answers
How do I detect a click outside an element?
I have some HTML menus, which I show completely when a user clicks on the head of these menus. I would like to hide these elements when the user clicks outside the menus' area.
Is something like this possible with…
Sergio del Amo
- 76,835
- 68
- 152
- 179
2910
votes
19 answers
How can I recursively find all files in current and subfolders based on wildcard matching?
How can I recursively find all files in current and subfolders based on wildcard matching?
john
- 33,520
- 12
- 45
- 62
2910
votes
40 answers
Find (and kill) process locking port 3000 on Mac
How do I find (and kill) processes that listen to/use my TCP ports? I'm on macOS.
Sometimes, after a crash or some bug, my Rails app is locking port 3000. I can't find it using ps -ef...
When running
rails server
I get
Address already in use -…
oma
- 38,642
- 11
- 71
- 99
2890
votes
30 answers
How to append something to an array?
How do I append an object (such as a string or number) to an array in JavaScript?
interstar
- 26,048
- 36
- 112
- 180
2886
votes
36 answers
Renaming column names in Pandas
I want to change the column labels of a Pandas DataFrame from
['$a', '$b', '$c', '$d', '$e']
to
['a', 'b', 'c', 'd', 'e']
user1504276
- 28,955
- 3
- 15
- 7
2882
votes
16 answers
I need an unordered list without any bullets
I have created an unordered list. I feel the bullets in the unordered list are bothersome, so I want to remove them.
Is it possible to have a list without bullets?
praveenjayapal
- 37,683
- 30
- 72
- 72
2876
votes
13 answers
What are the correct version numbers for C#?
What are the correct version numbers for C#? What came out when? Why can't I find any answers about C# 3.5?
This question is primarily to aid those who are searching for an answer using an incorrect version number, e.g. C# 3.5. The hope is that…
Jon Skeet
- 1,421,763
- 867
- 9,128
- 9,194
2870
votes
33 answers
How can I create an executable/runnable JAR with dependencies using Maven?
I want to package my project in a single executable JAR for distribution.
How can I make a Maven project package all dependency JARs into my output JAR?
soemirno
- 29,244
- 3
- 19
- 14
2863
votes
7 answers
How does database indexing work?
Given that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level?
For information on queries to index a field, check out How do I index a database column.
Xenph Yan
- 83,019
- 16
- 48
- 55
2860
votes
22 answers
Encode URL in JavaScript
How do you safely encode a URL using JavaScript such that it can be put into a GET string?
var myUrl = "http://example.com/index.html?param=1&anotherParam=2";
var myOtherUrl = "http://example.com/index.html?url=" + myUrl;
I assume that you need to…
nickf
- 537,072
- 198
- 649
- 721
2860
votes
35 answers
How can I save an activity state using the save instance state?
I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example:
package com.android.hello;
import android.app.Activity;
import…
Bernard
- 45,296
- 18
- 54
- 69
2839
votes
38 answers
How do I split a string on a delimiter in Bash?
I have this string stored in a variable:
IN="bla@some.com;john@home.com"
Now I would like to split the strings by ; delimiter so that I have:
ADDR1="bla@some.com"
ADDR2="john@home.com"
I don't necessarily need the ADDR1 and ADDR2 variables. If…
stefanB
- 77,323
- 27
- 116
- 141
2829
votes
44 answers
How can I transition height: 0; to height: auto; using CSS?
I am trying to make a
- slide down using CSS transitions.
The
- starts off at height: 0;. On hover, the height is set to height:auto;. However, this is causing it to simply appear, not transition,
If I do it from height: 40px; to height:…
Hailwood
- 89,623
- 107
- 270
- 423