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What is the fastest way to create a checksum for large files in C#
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The problem here is that SHA256Managed reads 4096 bytes at a time (inherit from FileStream and override Read(byte[], int, int) to see how much it reads from the filestream), which is too small a buffer for disk IO.
To speed things up (2 minutes for hashing 2 Gb f...
Why doesn't 'ref' and 'out' support polymorphism?
...ionships.
Now suppose you have a method void M(ref Mammal m). M can both read and write m.
Can you pass a variable of type Animal to M?
No. That variable could contain a Turtle, but M will assume that it contains only Mammals. A Turtle is not a Mammal.
Conclusion 1: ref parameters cann...
Disabled form inputs do not appear in the request
...navigation.
Disabled controls cannot be successfully posted.
You can use readonly attribute in your case, by doing this you will be able to post your field's data.
I.e.,
<input type="textbox" name="Percentage" value="100" readonly="readonly" />
FYI, per 17.12.2 in the HTML 4 spec:
Read...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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This GDB was configured as "x86_64-linux-gnu".
Attaching to process 5636
Reading symbols from /usr/bin/tail...(no debugging symbols found)...done.
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...(n...
Download file from web in Python 3
...ting a program that will download a .jar (java) file from a web server, by reading the URL that is specified in the .jad file of the same game/application. I'm using Python 3.2.1
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What XML parser should I use in C++? [closed]
... so you need to process XML. Not toy XML, real XML. You need to be able to read and write all of the XML specification, not just the low-lying, easy-to-parse bits. You need Namespaces, DocTypes, entity substitution, the works. The W3C XML Specification, in its entirety.
The next question is: Does yo...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
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You may use the different accessors to communicate your intent to someone reading your code, and make it easier to write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
...
end
Here, I can see that I may both read and write the age....
Confused about stdin, stdout and stderr?
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Standard input - this is the file handle that your process reads to get information from you.
Standard output - your process writes normal information to this file handle.
Standard error - your process writes error information to this file handle.
That's about as dumbed-down as I ...
What's the difference between commit() and apply() in SharedPreferences
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What happens if I write something with apply() and try to read it immediately after? Is the read guaranteed to give me the newest value? The docs say if another commit() happens after you fire apply(), that commit() will block until the apply() is persisted to disk, which makes it c...
Error: No default engine was specified and no extension was provided
...ire('ejs').renderFile);
app.set('view engine', 'html');
EDIT
As you can read from view.js Express View Module
module.exports = View;
/**
* Initialize a new `View` with the given `name`.
*
* Options:
*
* - `defaultEngine` the default template engine name
* - `engines` template engine ...