大约有 21,300 项符合查询结果（耗时：0.0438秒） [XML]
JavaScript code to stop form submission
One way to stop form submission is to return false from your JavaScript function.
12 Answers
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How to create directory automatically on SD card
I'm trying to save my file to the following location
FileOutputStream fos = new FileOutputStream("/sdcard/Wallpaper/"+fileName);
but I'm getting the exception java.io.FileNotFoundException
However, when I put the path as "/sdcard/" it works.
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indexOf method in an object array?
What's the best method to get the index of an array which contains objects?
27 Answers
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How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
11
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PHP Warning: PHP Startup: Unable to load dynamic library
I run a PHP script and get this error:
19 Answers
19
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How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
13
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SQL Update with row_number()
I want to update my column CODE_DEST with an incremental number. I have:
8 Answers
8
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Checking if a blob exists in Azure Storage
I've got a very simple question (I hope!) - I just want to find out if a blob (with a name I've defined) exists in a particular container. I'll be downloading it if it does exist, and if it doesn't then I'll do something else.
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How to access command line parameters?
The Rust tutorial does not explain how to take parameters from the command line. fn main() is only shown with an empty parameter list in all examples.
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
I am trying to get my friend name and ids with Graph API v2.0, but data returns empty:
7 Answers
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