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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...
Export a stash to another computer
...a remote on computer 2:
git remote add pc1 user@computer1:/path/to/repo
now you can retrieve the remote information using
git fetch pc1
now you can import the commit in the way you want; using git cherry-pick, git rebase or whatever you like...
If you want it to look like you just did git stas...
Python Git Module experiences? [closed]
What are people's experiences with any of the Git modules for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.)
...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...tocol extensions take care of most of the boilerplate for these, which are now imported as a struct that conforms to OptionSetType. (RawOptionSetType has disappeared as of Swift 2 beta 2.) The declaration is far simpler:
struct MyOptions : OptionSetType {
let rawValue: Int
static let None ...
Can you test google analytics on a localhost address?
...
Updated for 2014
This can now be achieved by simply setting the domain to none.
ga('create', 'UA-XXXX-Y', 'none');
See: https://developers.google.com/analytics/devguides/collection/analyticsjs/domains#localhost
...
Hiding a password in a python script (insecure obfuscation only)
...own own file.
For passwords that the user of the script isn't allowed to know - you can run the script with elavated permission and have the password file owned by that root/admin user.
share
|
imp...
Hidden features of Eclipse [closed]
...y = new |
and then I pushed Ctrl-Space to complete the constructor call. Now I type:
new Display()|
and press Ctrl-2 L, which results in:
Display display = new Display()|
This really speeds things up. (Ctrl-2 F does the same, but assigns to a new field rather than a new variable.)
Another g...
Why doesn't the height of a container element increase if it contains floated elements?
...ce blank -->
<div style="clear: both;"></div>
<!-- Now in order to prevent the next div from floating beside the top ones,
we use `clear: both;`. This is like a wall, so now none of the div's
will be floated after this point. The container height will now also...
What is the copy-and-swap idiom?
...rray); // (3)
}
return *this;
}
And we say we're finished; this now manages an array, without leaks. However, it suffers from three problems, marked sequentially in the code as (n).
The first is the self-assignment test. This check serves two purposes: it's an easy way to prevent us fr...
How to programmatically send SMS on the iPhone?
Does anybody know if it's possible, and how, to programmatically send a SMS from the iPhone , with the official SDK / Cocoa Touch?
...