大约有 31,100 项符合查询结果(耗时:0.0584秒) [XML]
How to round an average to 2 decimal places in PostgreSQL?
...ROUND(CAST(FLOAT8 '3.1415927' AS NUMERIC),2);, I get '0.314E1'. And I have my code written as ROUND(AVG(val),2) yet still get the error I described in my question.
– user1626730
Oct 28 '12 at 23:26
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How to execute AngularJS controller function on page load?
... be much like:
// register controller in html
<div data-ng-controller="myCtrl" data-ng-init="init()"></div>
// in controller
$scope.init = function () {
// check if there is query in url
// and fire search in case its value is not empty
};
But take care about it as angular do...
What is a Proxy in Doctrine 2?
I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
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Dismissing a Presented View Controller
...n.
But of course, if all you need to do is dismiss the thing, go ahead.
My own approach is a compromise, at least it reminds me what is going on:
[[self presentingViewController] dismissViewControllerAnimated:NO completion:nil]
[Swift]
self.presentingViewController?.dismiss(animated: fals...
How to present popover properly in iOS 8
I'm trying to add a UIPopoverView to my Swift iOS 8 app, but I am unable to access the PopoverContentSize property, as the popover does not show in the correct shape. my code:
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Resolve Type from Class Name in a Different Assembly
...
You'll have to add the assembly name like this:
Type.GetType("MyProject.Domain.Model." + myClassName + ", AssemblyName");
To avoid ambiguity or if the assembly is located in the GAC, you should provide a fully qualified assembly name like such:
Type.GetType("System.String, mscorlib, ...
Proper Linq where clauses
I write a fair amount of linq in my day to day life, but mostly simple statements. I have noticed that when using where clauses, there are many ways to write them and each have the same results as far as I can tell. For example;
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How to make a element expand or contract to its parent container?
... You’re right, great, that actually works for me. I guess my problem was the height and width properties in my svg root element.
– Adrian Heine
Jan 21 '12 at 19:16
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Load a WPF BitmapImage from a System.Drawing.Bitmap
...stance of a System.Drawing.Bitmap and would like to make it available to my WPF app in the form of a System.Windows.Media.Imaging.BitmapImage .
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Recompile Heroku slug without push or config change
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My general approach is to do:
git commit --amend -C HEAD
git push heroku master -f
Not sure I'd do this in production without being certain, as it does technically rewrite the last commit but it shouldn't cause any issues in...
