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1500 questions
1165
votes
38 answers
How can I start PostgreSQL server on Mac OS X?
Final update:
I had forgotten to run the initdb command.
By running this command
ps auxwww | grep postgres
I see that postgres is not running
> ps auxwww | grep postgres
remcat 1789 0.0 0.0 2434892 480 s000 R+ 11:28PM 0:00.00…
Ramy
- 20,541
- 41
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1164
votes
34 answers
"code ." is not working in on the command line for Visual Studio Code on OS X/Mac
The command code . doesn't work in this manual.
All the other steps before that worked. How can I call the Visual Studio Code in an OS X terminal?
pwd
/Users/mona/nodejs/myExpressApp
code .
-bash: code: command not found
I ended up opening it…
Mona Jalal
- 34,860
- 64
- 239
- 408
1164
votes
17 answers
How do I retrieve an HTML element's actual width and height?
Suppose that I have a
that I wish to center in the browser's display (viewport). To do so, I need to calculate the width and height of the
element.
What should I use? Please include information on browser compatibility.
snortasprocket
- 11,801
- 3
- 19
- 8
1163
votes
20 answers
Difference between ( for... in ) and ( for... of ) statements?
I know what is a for... in loop (it iterates over the keys), but I have heard about for... of for the first time (it iterates over values).
I am confused about for... of loop.
var arr = [3, 5, 7];
arr.foo = "hello";
for (var i in arr) {
…
Mukund Kumar
- 21,413
- 18
- 59
- 79
1163
votes
29 answers
Using ls to list directories and their total sizes
Is it possible to use ls in Unix to list the total size of a sub-directory and all its contents as opposed to the usual 4K that (I assume) is just the directory file itself?
total 12K
drwxrwxr-x 6 *** *** 4.0K 2009-06-19 10:10 branches
drwxrwxr-x…
kmorris511
- 16,392
- 7
- 28
- 29
1162
votes
14 answers
Pretty-print an entire Pandas Series / DataFrame
I work with Series and DataFrames on the terminal a lot. The default __repr__ for a Series returns a reduced sample, with some head and tail values, but the rest missing.
Is there a builtin way to pretty-print the entire Series / DataFrame? …
Dun Peal
- 16,679
- 11
- 33
- 46
1161
votes
24 answers
Angular: conditional class with *ngClass
What is wrong with my Angular code? I am getting the following error:
Cannot read property 'remove' of undefined at BrowserDomAdapter.removeClass
- Step1
- 34,281
- 39
- 104
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daniel
1160
votes
3 answers
1159
votes
18 answers
Fling gesture detection on grid layout
I want to get fling gesture detection working in my Android application.
What I have is a GridLayout that contains 9 ImageViews. The source can be found here: Romain Guys's Grid Layout.
That file I take is from Romain Guy's Photostream application…
gav
- 29,022
- 23
- 65
- 90
1159
votes
13 answers
How can I move a tag on a git branch to a different commit?
I created a tag on the master branch called v0.1 like this:
git tag -a v0.1
But then I realized there were still some changes I needed to merge into master for release 0.1, so I did that. But now my v0.1 tag is stuck on (to invoke the post-it note…
eedeep
- 12,183
- 3
- 18
- 14
1158
votes
18 answers
1158
votes
11 answers
How to copy commits from one branch to another?
I've got two branches from my master:
v2.1: (version 2) I've been working on for several months
wss: that I created yesterday to add one specific feature to my master (in production)
Is there a way to copy yesterday's commits from wss to v2.1?
Bob Walsh
- 13,011
- 4
- 24
- 21
1157
votes
20 answers
Return multiple values in JavaScript?
I am trying to return two values in JavaScript. Is this possible?
var newCodes = function() {
var dCodes = fg.codecsCodes.rs;
var dCodes2 = fg.codecsCodes2.rs;
return dCodes, dCodes2;
};
Asim Zaidi
- 27,016
- 49
- 132
- 221
1157
votes
26 answers
How to initialize all members of an array to the same value?
I have a large array in C (not C++ if that makes a difference). I want to initialize all members of the same value.
I could swear I once knew a simple way to do this. I could use memset() in my case, but isn't there a way to do this that is built…
Matt
- 84,419
- 25
- 57
- 67
1156
votes
16 answers
How to remove files from git staging area?
I made changes to some of my files in my local repo, and then I did git add -A which I think added too many files to the staging area. How can I delete all the files from the staging area?
After I do that, I'll just manually do git add "filename".
omega
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- 251
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