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Using jQuery to center a DIV on the screen
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I put a jquery plugin here
VERY SHORT VERSION
$('#myDiv').css({top:'50%',left:'50%',margin:'-'+($('#myDiv').height() / 2)+'px 0 0 -'+($('#myDiv').width() / 2)+'px'});
SHORT VERSION
(function($){
$.fn.extend({
center: function () {
return this.each(fu...
When to use RSpec let()?
...before blocks to set instance variables. I then use those variables across my examples. I recently came upon let() . According to RSpec docs, it is used to
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How to read an external properties file in Maven
...ng to read a properties file and set values from that, but I want a way in my pom.xml like:
3 Answers
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Useless use of cat?
... award until today when some rookie tried to pin the UUOC on me for one of my answers. It was a cat file.txt | grep foo | cut ... | cut .... I gave him a piece of my mind, and only after doing so visited the link he gave me referring to the origins of the award and the practice of doing so. Further ...
How to capture UIView to UIImage without loss of quality on retina display
My code works fine for normal devices but creates blurry images on retina devices.
17 Answers
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How do I execute a string containing Python code in Python?
...ts, use exec(string) (Python 2/3) or exec string (Python 2):
>>> mycode = 'print "hello world"'
>>> exec(mycode)
Hello world
When you need the value of an expression, use eval(string):
>>> x = eval("2+2")
>>> x
4
However, the first step should be to ask your...
How to get the IP address of the docker host from inside a docker container
...velopment purposes only.
For example, I have environment variables set on my host:
MONGO_SERVER=host.docker.internal
In my docker-compose.yml file, I have this:
version: '3'
services:
api:
build: ./api
volumes:
- ./api:/usr/src/app:ro
ports:
- "8000"
environment:
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What does it mean if a Python object is “subscriptable” or not?
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Off the top of my head, the following are the only built-ins that are subscriptable:
string: "foobar"[3] == "b"
tuple: (1,2,3,4)[3] == 4
list: [1,2,3,4][3] == 4
dict: {"a":1, "b":2, "c":3}["c"] == 3
But mipadi's answer is correc...
How to find/identify large commits in git history?
I have a 300 MB git repo. The total size of my currently checked-out files is 2 MB, and the total size of the rest of the git repo is 298 MB. This is basically a code-only repo that should not be more than a few MB.
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What does GitHub for Windows' “sync” do?
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@JorisMeys I'm not sure your statement is true. In my experience, if there are any commits ahead of mine on remote, it will create a merge commit, even when it could do a rebase.
– Jerad Rose
Dec 15 '16 at 5:40
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