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How do you implement a re-try-catch?
...ans somehow that it will help our system to be more robust: try to recover from an unexpected event.
25 Answers
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How to create UILabel programmatically using Swift?
... You don't need to implicitly declare this as UILabel, it's inferred from UILabel()
– CW0007007
Jun 6 '14 at 12:31
5
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Hexadecimal To Decimal in Shell Script
...
To convert from hex to decimal, there are many ways to do it in the shell or with an external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with ...
Returning a C string from a function
I am trying to return a C string from a function, but it's not working. Here is my code.
14 Answers
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How to convert list of tuples to multiple lists?
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From the python docs:
zip() in conjunction with the * operator can be used to unzip a list:
Specific example:
>>> zip((1,3,5),(2,4,6))
[(1, 2), (3, 4), (5, 6)]
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, ...
How do I import other TypeScript files?
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From TypeScript version 1.8 you can use simple import statements just like in ES6:
import { ZipCodeValidator } from "./ZipCodeValidator";
let myValidator = new ZipCodeValidator();
https://www.typescriptlang.org/docs/handb...
Use HTML5 to resize an image before upload
...ment('canvas'),
max_size = 544,// TODO : pull max size from a site config
width = image.width,
height = image.height;
if (width > height) {
if (width > max_size) {
height *= ...
CSS Properties: Display vs. Visibility
...M? for example... if you have display: none;, then that element is removed from the DOM? or am I totally confused?
– Hristo
Aug 13 '10 at 18:18
3
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mongo - couldn't connect to server 127.0.0.1:27017
I am coming from riak and redis where I never had an issue with this services starting, or to interact.
38 Answers
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How do you unit test a Celery task?
...erialization issues or any other distribution, comunication problem.
So:
from celery import Celery
celery = Celery()
@celery.task
def add(x, y):
return x + y
And your test:
from nose.tools import eq_
def test_add_task():
rst = add.apply(args=(4, 4)).get()
eq_(rst, 8)
Hope that ...