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Are GUID collisions possible?
...a database in SQL Server 2000 that uses a GUID for each user that uses the app it's tied to. Somehow, two users ended up with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision still possible?
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Check for column name in a SqlDataReader object
... is RELATIVELY expensive to other operators, but negligible in a connected application. Skeet measured 40-118 exceptions per ms depending on stack depth all the way back in 2006. stackoverflow.com/a/891230/852208. Further without testing, it's possible that this code is actually slower with it's ...
Best branching strategy when doing continuous integration?
...even absolutely required, if you need to maintain several versions of your app.
Feature branches also are very convenient, notably if one developer needs to work on a huge change, while others still release new versions.
So to me using both mechanisms is a very good strategy.
Interesting link fro...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
...idn't show them, which was causing problems with parsing config file of my app... I discovered it accidentally in vi.
2 Ans...
How do I update zsh to the latest version?
I recently switched to zsh on my Terminal.app on my OS X machine successfully. The version number of zsh is 4.3.11.
6 Answe...
Using Caps Lock as Esc in Mac OS X
...load Seil and install it:
3) After the installation you will have a new Application installed ( Mountain Lion and newer ) and if you are on an older OS you may have to check for a new System Preferences pane:
4) Check the box that says "Change Caps Lock" and enter "53" as the code for the esc...
Prevent RequireJS from Caching Required Scripts
...e required files, I have to rename the file in order for the changes to be applied.
12 Answers
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JSON.parse vs. eval()
...ers have not entered malicious JavaScript either directly into your client app, or indirectly because of unvalidated data stored in the server's database and then passed on to your program via an AJAX-style call. You may still need to validate individual fields to avoid "confused deputy" attacks, bu...
Check whether user has a Chrome extension installed
...f there is an error while loading this file, said network stack error will appear in the console with no possibility to silence it. When Chromecast used this method, it caused quite a bit of controversy because of this; with the eventual very ugly solution of simply blacklisting very specific errors...
Determine a user's timezone
...ject, for several different points in time, using the results to choose an appropriate time zone from an internal data set.
Both jsTimezoneDetect and moment-timezone have this functionality.
// using jsTimeZoneDetect
var tzid = jstz.determine().name();
// using moment-timezone
var tzid = moment....