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How is mime type of an uploaded file determined by browser?
...have a web app where the user needs to upload a .zip file. On the server-side, I am checking the mime type of the uploaded file, to make sure it is application/x-zip-compressed or application/zip .
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How to redirect stderr and stdout to different files in the same line in script?
...ptor > &file_descriptor
Please refer to Advanced Bash-Scripting Guide: Chapter 20. I/O Redirection.
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Difference between namespace in C# and package in Java
...ce.html
Java
Packages are used to organize files or public types to avoid type conflicts. Package constructs can be mapped to a file system.
system.security.cryptography.AsymmetricAlgorithm aa;
may be replaced:
import system.security.Crypography;
class xxx { ...
AsymmetricAlgorithm aa;
Th...
How to specify HTTP error code?
...he current version of Express (3.4.0), you can alter res.statusCode before calling next(err):
res.statusCode = 404;
next(new Error('File not found'));
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SortedList, SortedDictionary and Dictionary
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I can see the proposed answers focus on performance. The article provided below does not provide anything new regarding performance, but it explains the underlying mechanisms. Also note it does not focus on the three Collection Types mentioned in the question, but addresses all the Types of th...
String.replaceAll single backslashes with double backslashes
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To avoid this sort of trouble, you can use replace (which takes a plain string) instead of replaceAll (which takes a regular expression). You will still need to escape backslashes, but not in the wild ways required with regular exp...
Rotating a point about another point (2D)
...values of angle will perform right-ward (clockwise) rotation, and that providing a negative value would perform it left-ward (anti-clockwise)? Or is anti-clockwise a more complicated operation (i.e. calculating the inverse angle and then rotating clockwise by that amount)? I've seen a ton of pages g...
Can I create more than one repository for github pages?
...e of my root repository where I host the latest version of my website:
Inside folder "2.4.0" I can host a previous version of the same page ,which is then reachable at: http://username.github.io/REPONAME/2.4.0
This is the structure of the folder 2.4.0:
Using this methodology of sub-pages within a ...
MySQL error: key specification without a key length
...number of rows. Here is one example for test table:
+-----+-----------+
| id | value |
+-----+-----------+
| 1 | abc |
| 2 | abd |
| 3 | adg |
+-----+-----------+
If we index only the first character (N=1), then index table will look like the following table:
+------...
Asynchronous shell commands
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$ myscript &
Note that this is different from putting the & inside your script, which probably won't do what you want.
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