大约有 40,000 项符合查询结果（耗时：0.0637秒） [XML]
What does rake db:test:prepare actually do?
...it first checks for pending migrations and warns
you appropriately.
-- http://guides.rubyonrails.org/testing.html
Basically it handles cloning the database so you don't have to run the migrations against test to update the test database.
...
Android - Writing a custom (compound) component
...
Use merge tag as your XML root
<merge xmlns:android="http://schemas.android.com/apk/res/android">
<!-- Your Layout -->
</merge>
Check this article.
share
|
imp...
Calling a function from a string in C#
...tire expression string which contains (nested!) functions, consider NCalc (http://ncalc.codeplex.com/ and nuget)
Ex. slightly modified from the project documentation:
// the expression to evaluate, e.g. from user input (like a calculator program, hint hint college students)
var exprStr = "10 + MyF...
Open two instances of a file in a single Visual Studio session
I have a file, xyz.cpp . I want to open two instances of this file in Visual studio (BTW, I am using Visual Studio 2005). Why would I want to do so? I want to compare two sections of the same file side by side. I know workarounds such as:
...
What static analysis tools are available for C#? [closed]
...duplicate code detector that is based off the command line (but is free):
http://sourceforge.net/projects/duplo/
share
|
improve this answer
|
follow
|
...
jQuery: Difference between position() and offset()
..., for implementing drag-and-drop), .offset() is the more useful.
Source: http://api.jquery.com/offset/
share
|
improve this answer
|
follow
|
...
How to capture the “virtual keyboard show/hide” event in Android?
...o framework support for that.
This is a good answer on this exact question https://stackoverflow.com/a/36259261/372076. Alternatively, here's a page giving some different approaches to achieve this pre Android 11:
https://developer.salesforce.com/docs/atlas.en-us.noversion.service_sdk_android.meta/s...
Get file size, image width and height before upload
...features, and a work around for IE that involves using an ActiveX control. http://jquerybyexample.blogspot.com/2012/03/how-to-check-file-size-before-uploading.html
share
|
improve this answer
...
How to display long messages in logcat
I am trying to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
10 A...
D3.js: what is 'g' in .append(“g”) D3.js code?
...phical drawings such
as ones you would do in a powerpoint presentation.
http://tutorials.jenkov.com/svg/g-element.html
As pointed in above link: to translate you need to use translate(x,y):
The <g>-element doesn't have x and y attributes. To move the contents
of a <g>-element y...