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How do I check if a file exists in Java?
...w File("C:/").exists() will return true but will not allow you to open and read from it as a file.
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Cancel split window in Vim
...lso consider eckes answer which may be more useful to you, involving :on (read below) if you don't want to do it one window at a time.
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JavaScript: Upload file
...verflow.com/a/33355142/860099">not throwing</a> at all but we can read response status which contains code)
Old school approach - xhr
let photo = document.getElementById("image-file").files[0]; // file from input
let req = new XMLHttpRequest();
let formData = new FormData();
formD...
Proper use of 'yield return'
... to have the next item before returning.
Among other things, this helps spread the computational cost of complex calculations over a larger time-frame. For example, if the list is hooked up to a GUI and the user never goes to the last page, you never calculate the final items in the list.
Anothe...
File changed listener in Java
...n a file has been changed in the file system. I have found nothing but a thread that polls the lastModified File property and clearly this solution is not optimal.
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Byte[] to InputStream or OutputStream
...rce = ...;
ByteArrayInputStream bis = new ByteArrayInputStream(source);
// read bytes from bis ...
ByteArrayOutputStream bos = new ByteArrayOutputStream();
// write bytes to bos ...
byte[] sink = bos.toByteArray();
Assuming that you are using a JDBC driver that implements the standard JDBC Blob i...
How to find serial number of Android device?
...fine now after adding <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission> permission in androidManifest.xml file.
– Paresh Mayani
Aug 26 '10 at 11:54
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What is the difference between HTTP and REST?
After reading a lot about the differences between REST and SOAP, I got the impression that REST is just another word for HTTP. Can someone explain what functionality REST adds to HTTP?
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Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
I have read that when hashing a password, many programmers recommend using the BCrypt algorithm.
2 Answers
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How to use Global Variables in C#?
...ic static String FILE_NAME = "Output.txt"; // Modifiable
public static readonly String CODE_PREFIX = "US-"; // Unmodifiable
}
You can then retrieve the defined values anywhere in your code (provided it's part of the same namespace):
String code = Globals.CODE_PREFIX + value.ToString();
In o...