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How can I develop for iPhone using a Windows development machine?
...nged its licensing agreement in regards to virtualization. Source: VMWare KnowledgeBase
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What is a race condition?
...read scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the result of the change in data is dependent on the thread scheduling algorithm, i.e. both threads are "racing" to access/change the data....
What to learn for making Java web applications in Java EE 6? [closed]
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Even if I know that this will be controversial, my advice would be to start with Java EE 6 only. So, grab GlassFish v3 and either get the book Beginning Java EE 6 Platform with GlassFish 3: From Novice to Professional or follow the Java...
How to convert local time string to UTC?
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NOTE -- As of 2020 you should not be using .utcnow() or .utcfromtimestamp(xxx). As you've presumably moved on to python3,you should be using timezone aware datetime objects.
>>> from datetime import timezone
>>> dt_now = datetime.now(tz=timezone.utc)
&g...
Vim: insert the same characters across multiple lines
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Nice, didn't know about "A" and "C" options too.
– hobbes3
May 24 '18 at 1:11
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Pass a parameter to a fixture function
...nly way to do this in older versions of pytest as others have noted pytest now supports indirect parametrization of fixtures. For example you can do something like this (via @imiric):
# test_parameterized_fixture.py
import pytest
class MyTester:
def __init__(self, x):
self.x = x
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Is it possible to change only the alpha of a rgba background colour on hover?
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This is now possible with custom properties:
.brown { --rgb: 118, 76, 41; }
.green { --rgb: 51, 91, 11; }
a { display: block; position: relative; }
div { position: absolute; bottom: 0; background-color: rgba(var(--rgb), 0.8); }
a:h...
Move existing, uncommitted work to a new branch in Git
... you have been making commits on your main branch while you coded, but you now want to move those commits to a different branch, this is a quick way:
Copy your current history onto a new branch, bringing along any uncommitted changes too:
git checkout -b <new-feature-branch>
Now force the ...
MySQL: Transactions vs Locking Tables
...posit all the service fees charged on the transaction. Given (as everyone knows these days) that banks are extraordinarily stupid, let's say their system works like this:
$balance = "GET BALANCE FROM your ACCOUNT";
if ($balance < $amount_being_paid) {
charge_huge_overdraft_fees();
}
$balance...
Asynchronous method call in Python?
...the execution in some queue, or/and call a callback. Otherwise you do not know when it's done (if at all).
– Drakosha
Jun 5 '14 at 22:10
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