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What's better at freeing memory with PHP: unset() or $var = null
...pdate , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off the net that use $var = null instead.
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How to express infinity in Ruby?
...nteger and that value and it seems to be working fine. I am just wondering now if this is safe!
– Amokrane Chentir
Apr 25 '11 at 12:38
1
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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
...e original value of every field in the row, and if 0 rows are affected it knows something's gone wrong.
The idea behind it is that you won't end up overwriting a change that your application didn't know has happened - it's basically a little safety measure thrown in by .NET on all your updates.
If...
How do you stretch an image to fill a while keeping the image's aspect-ratio?
...th to 100% (demo)
.container img {
width: 100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Here is how I would do it with jQuery (demo):
CSS
.container {
width: 40%;
height: 40%;
background: #444;
margin: 0 auto;
}
.container img.wide {
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How do I limit the number of returned items?
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Thanks a lot, didn't know you could make queries like that. Where can I find some form of documentation about this execFind method ?
– Running Turtle
Apr 29 '11 at 14:18
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How to call a parent method from child class in javascript?
... the __proto__ property is still available in all major JS engines that i know, ES6 introduced the Object.getPrototypeOf() functionality on top of it. The super() tool in the Class abstraction is a syntactical sugar of this.
So in case you don't have access to the parent constructor's name and don'...
Measuring text height to be drawn on Canvas ( Android )
... straight forward way to measure the height of text?
The way I am doing it now is by using Paint's measureText() to get the width, then by trial and error finding a value to get an approximate height. I've also been messing around with FontMetrics , but all these seem like approximate methods tha...
Redirect from asp.net web api post action
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Sure:
public HttpResponseMessage Post()
{
// ... do the job
// now redirect
var response = Request.CreateResponse(HttpStatusCode.Moved);
response.Headers.Location = new Uri("http://www.abcmvc.com");
return response;
}
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UITableView, Separator color where to set?
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Now you should be able to do it directly in the IB.
Not sure though, if this was available when the question was posted originally.
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What do @, - and + do as prefixes to recipe lines in Make?
...ld copy of the manual that was the chapter on "commands", but term du jour now seems to be "recipes".
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