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MySQL: Large VARCHAR vs. TEXT?
...ssage types (all integer types) I need to save the actual message text as either VARCHAR or TEXT. I'm setting a front-end limit of 3000 characters which means the messages would never be inserted into the db as longer than this.
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WAMP 403 Forbidden message on Windows 7
... This will certainly open up access from any IP address, but isnt that a little dangerous? The rule to allow 'from 127.0.0.1' should be enough to allow local access, if that is the main objective here, the 127.0.0.1 is basically a loop back to the network adaptor. If you type in the address bar 'ht...
Why are C character literals ints instead of chars?
In C++, sizeof('a') == sizeof(char) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard.
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Test if remote TCP port is open from a shell script
...inted by B. Rhodes, nc (netcat) will do the job. A more compact way to use it:
nc -z <host> <port>
That way nc will only check if the port is open, exiting with 0 on success, 1 on failure.
For a quick interactive check (with a 5 seconds timeout):
nc -z -v -w5 <host> <port>
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Detect if value is number in MySQL
...k in most cases.
SELECT * FROM myTable WHERE concat('',col1 * 1) = col1
It doesn't work for non-standard numbers like
1e4
1.2e5
123. (trailing decimal)
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How can I specify a [DllImport] path at runtime?
...I got a C++ (working) DLL that I want to import into my C# project to call it's functions.
7 Answers
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SSH Key - Still asking for password and passphrase
I've been somewhat 'putting up' with Github always asking for my username and password when I clone a repository. I want to bypass this step because it is an annoyance within my workflow.
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Is well formed without a ?
Is it valid to have <input> without it being in a <form> ?
7 Answers
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A potentially dangerous Request.Path value was detected from the client (*)
...acter is not allowed in the path of the URL, but there is no problem using it in the query string:
http://localhost:3286/Search/?q=test*
It's not an encoding issue, the * character has no special meaning in an URL, so it doesn't matter if you URL encode it or not. You would need to encode it usin...
Stretch and scale a CSS image in the background - with CSS only
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CSS3 has a nice little attribute called background-size:cover.
This scales the image so that the background area is completely covered by the background image while maintaining the aspect ratio. The entire area will be covered. However, part...