大约有 47,000 项符合查询结果(耗时:0.0574秒) [XML]
How to make MySQL handle UTF-8 properly
...tion I asked yesterday suggested that I should make sure my database can handle UTF-8 characters correctly. How I can do this with MySQL?
...
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...ke:
Failed to allocate a 25165836 byte allocation with 3395432 free bytes and 3MB until OOM
What’s happening here is that the app is is running out of memory (OOM). In the case of the message above, the phone is trying to allocate 25 megabytes (25165836 bytes) but there are only 3 megabytes (33...
Prevent multiple instances of a given app in .NET?
...way to prevent multiple instances of an app from running at the same time? And if there's no "best" technique, what are some of the caveats to consider with each solution?
...
CleanWPPAllFilesInSingleFolder error makes my project no longer load
Using VS2012 I created a dynamic data project. It all worked and then I started configuring the web deployment settings. I am not sure what setting I changed exactly as there was no error. However when I try and load the solution I get the following error for the project and it will no longer load.
...
Can a foreign key be NULL and/or duplicate?
...als. Suppose further that each proposal only has one sales person assigned and one client. So your proposal table would have two foreign keys, one with the client ID and one with the sales rep ID. However, at the time the record is created, a sales rep is not always assigned (because no one is fre...
Why should casting be avoided? [closed]
...as possible since I am under the impression that it's poor coding practice and may incur a performance penalty.
14 Answers...
Image resizing client-side with JavaScript before upload to the server
...an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
...
What data is stored in Ephemeral Storage of Amazon EC2 instance?
I am trying to stop a Amazon EC2 instance and get the warning message
4 Answers
4
...
How can I convert an RGB image into grayscale in Python?
I'm trying to use matplotlib to read in an RGB image and convert it to grayscale.
12 Answers
...
Use JavaScript to place cursor at end of text in text input element
What is the best way (and I presume simplest way) to place the cursor at the end of the text in a input text element via JavaScript - after focus has been set to the element?
...