大约有 23,000 项符合查询结果（耗时：0.0424秒） [XML]
Validation failed for one or more entities while saving changes to SQL Server Database using Entity
I want to save my Edit to Database and I am using Entity FrameWork Code-First in ASP.NET MVC 3 / C# but I am getting errors. In my Event class, I have DateTime and TimeSpan datatypes but in my database, I've got Date and time respectively. Could this be the reason? How can I cast to the appropriate ...
Computed read-only property vs function in Swift
...g done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returned. That way I can easily see whether a call is cheap (properties) or possibly expensive (functions).
We will probably get more clarity when Apple ...
Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)
...
So, the following styles will give you this look & feel. It's based on the CSS I extracted from the official Typeahead examples website.
CSS:
.tt-query {
-webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
-moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
...
Javascript - Track mouse position
... (Tested on IE8, IE11, Firefox 30, Chrome 38.)
If you really need a timer-based solution, you combine this with some state variables:
(function() {
var mousePos;
document.onmousemove = handleMouseMove;
setInterval(getMousePosition, 100); // setInterval repeats every X ms
function...
Circular dependency in Spring
...
In the codebase I'm working with (1 million + lines of code) we had a problem with long startup times, around 60 seconds. We were getting 12000+ FactoryBeanNotInitializedException.
What I did was set a conditional breakpoint in Abstrac...
Should I use pt or px?
... inch like-on-a-ruler. Not an inch on a screen, which is totally arbitrary based on resolution.
Just like how pixels are dead-accurate on monitors for font-sizing, point sizes are dead-accurate on paper. For the best cross-browser and cross-platform results while printing pages, set up a print sty...
What is a postback?
...ent and have seen the word postback thrown around. Coming from a non-web based background, what does a new web developer have to know about postbacks? (i.e. what are they and when do they arise?)
...
Find out who is locking a file on a network share
...
Just in case someone looking for a solution to this for a Windows based system or NAS:
There is a built-in function in Windows that shows you what files on the local computer are open/locked by remote computer (which has the file open through a file share):
Select "Manage Computer" (Ope...
What is the difference between ng-if and ng-show/ng-hide
...
ngIf
The ngIf directive removes or recreates a portion of the DOM tree based on an expression. If the expression assigned to ngIf evaluates to a false value then the element is removed from the DOM, otherwise a clone of the element is reinserted into the DOM.
<!-- when $scope.myValue is trut...
How to use Git and Dropbox together effectively?
...trol” in which I cover the reasoning behind my environment setup. It’s based on my Ruby on Rails development experience, but it can be applied to anything, really.
share
|
improve this answer
...