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Best practices for SQL varchar column length [closed]
...able, see e.g. here. Since 9.2 this is no longer the case and a quick test confirmed that increasing the column size for a table with 1.2 million rows indeed only took 0.5 seconds.
For Oracle this seems to be true as well, judging by the time it takes to alter a big table's varchar column. But I c...
Test method is inconclusive: Test wasn't run. Error?
...er, but not dotCover's. Remove the ampersand from the filepath.
This is a confirmed bug with dotCover.
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TFS: How can you Undo Checkout of Unmodified files in a batch file
...ck on your project
Select undo checkout, then just click okay, or whatever confirmation is left...
Then, while undoing checkout, for every file that has REAL changes in it, a prompt will ask you to confirm the check out for that file... simply click "No to All"
Visual studio will know if the check...
How does JavaScript handle AJAX responses in the background?
...dn.skype.com/shared/v/1.2.15/SkypeBootstrap.min.js?v="+t(), true );
xhr.onload = function( e ) {
console.log(t() + ': step 3');
alert(this.response.substr(0,20));
};
console.log(t() + ': step 1');
xhr.send();
console.log(t() + ': step 2');
after an AJAX request is made (-...
Media Queries - In between two widths
...emo: http://jsfiddle.net/xf6gA/ (using background color, so it's easier to confirm)
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Cannot generate iOS App archive in xcode
...
I can confirm that this works! As long as you remember to clear out both private and public header paths. It's also fairly easy, if you just select all pods, search for the header path, then clear them all out at the same time.
...
advantage of tap method in ruby
... u.build_profile
u.process_credit_card
u.ship_out_item
u.send_email_confirmation
u.blahblahyougetmypoint
end
Using the above makes it easy to quickly see that all those methods are grouped together in that they all refer to the same object (the user in this example). The alternative would...
Session variables in ASP.NET MVC
...nt.Session["__MySessionObject"] : null;
}
This way you can in code
void OnLoad(...)
{
var sessionObj = HttpContext.Current.GetMySessionObject();
// do something with 'sessionObj'
}
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Plurality in user messages
... just mistakes).
I once wrote an app without using a single dialog or confirmation message. It took some serious thinking and was significantly harder to implement than using confirmation-type messages. But the end result was rather nice to use according to its end-users.
...
Are Javascript arrays sparse?
...onverted to strings via toString() before being added to the hash. You can confirm this with some test code:
<script>
var array = [];
array[0] = "zero";
array[new Date().getTime()] = "now";
array[3.14] = "pi";
for (var i in array) {
alert("array["+i+"] = " + array[i] + ", typ...