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Server.Transfer Vs. Response.Redirect
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Does this work with CSHTML pages with web matrix? I can't seem to get it to work when doing a Server.Transfer to a CSHTML page such as Server.Transfer("~/somepage.cshtml",true) but seems to work for other types of pages. Yes ...
How do I convert Long to byte[] and back in java
...mp; 0xFF); We could simply use result |= b[i]; as and with 0xFF for a bit doesnt modify anything.
– Vipul
Aug 3 '15 at 9:58
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Get domain name from given url
...e java.net.URI. java.net.URL has a bunch of problems -- its equals method does a DNS lookup which means code using it can be vulnerable to denial of service attacks when used with untrusted inputs.
"Mr. Gosling -- why did you make url equals suck?" explains one such problem. Just get in the habit...
When to use SELECT … FOR UPDATE?
...atabase system is using.
MyISAM in MySQL (and several other old systems) does lock the whole table for the duration of a query.
In SQL Server, SELECT queries place shared locks on the records / pages / tables they have examined, while DML queries place update locks (which later get promoted to exc...
Is inline assembly language slower than native C++ code?
...ines or when you have to access features your favorite high-level language does not expose. Do you want a touch of this complexity? Read this awesome answer here on SO.
Why this?
First of all because compilers can do optimizations that we can't even imagine (see this short list) and they will do ...
How does a public key verify a signature?
..., msg);
var decryptedMessage = decrypt(pub_key, encryptedMessage); // HOW DOES THIS WORK???
print(msg == decryptedMessage == 'secret message'); // True
We know that both example #1 and #2 work. Example #1 makes intuitive sense, while example #2 begs the original question.
Turns out, elliptic c...
What does the `forall` keyword in Haskell/GHC do?
...here
val :: b
val = maybe onNothin onJust mval
This code doesn't compile (syntax error) in plain Haskell 98. It requires an extension to support the forall keyword.
Basically, there are 3 different common uses for the forall keyword (or at least so it seems), and each has its own ...
Array versus List: When to use which?
...f use of arrays in my protobuf-net project; entirely for performance:
it does a lot of bit-shifting, so a byte[] is pretty much essential for encoding;
I use a local rolling byte[] buffer which I fill before sending down to the underlying stream (and v.v.); quicker than BufferedStream etc;
it inte...
How to get a random value from dictionary in python
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Is this efficient? Does this scale if dict gets really large?
– Spectral
Jul 25 '15 at 19:11
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How do I implement basic “Long Polling”?
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It's simpler than I initially thought.. Basically you have a page that does nothing, until the data you want to send is available (say, a new message arrives).
Here is a really basic example, which sends a simple string after 2-10 seconds. 1 in 3 chance of returning an error 404 (to show error ...