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What is InnoDB and MyISAM in MySQL?
...lti-user concurrency and performance. InnoDB stores user data in clustered indexes to reduce I/O for common queries based on primary keys. To maintain data integrity, InnoDB also supports FOREIGN KEY referential-integrity constraints.
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git - diff of current changes before committing
...it diff by default shows difference between your working directory and the index (staging area for the next commit).
If you have already added (staged) the changes to the staging area, git diff --staged does the job. Staging area is the data from which the next commit will be formed by git commit....
How does a public key verify a signature?
...is a hash (SHA1, MD5, etc.) of the data (file, message, etc.) that is subsequently encrypted with the signer's private key. Since that is something only the signer has (or should have) that is where the trust comes from. EVERYONE has (or should have) access to the signer's public key.
So, to v...
Is the LIKE operator case-sensitive with MSSQL Server?
... Your example uses a variable and a leading wildcard. But against a column indexed with a case insensitive collation like 'a%' could use the index and the upper version couldn't.
– Martin Smith
Mar 5 '15 at 22:46
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IIS - 401.3 - Unauthorized
...new site on IIS Manager, mapped it to a folder on my file system and added index.html to the folder. I have set the port to 85 for this site. When I try to access http://localhost:85/index.html , I get the following error message:
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Bash array with spaces in elements
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It's not necessary to loop over the indexes when you can loop over the elements with for f in "${FILES[@]}".
– Mark Edgar
Feb 1 '12 at 2:44
1...
Timer function to provide time in nano seconds using C++
..._REALTIME, &ts); // Works on Linux
}
For windows you want to use the QueryPerformanceCounter. And here is more on QPC
Apparently there is a known issue with QPC on some chipsets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a prob...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
...
Since I can't conceive any use of zipping on collections other than indexed ones (Lists) and I am a big fan of simplicity, this would be my solution:
<A,B,C> Stream<C> zipped(List<A> lista, List<B> listb, BiFunction<A,B,C> zipper){
int shortestLength = Mat...
Iterating through a JSON object
... in the 600 characters you can put in a comment. I already said you should index the dict to get at the value associated with a key. I'm not sure what you want to iterate over. Learning about built-in Python types is the next step.
– Thomas Wouters
Apr 28 '10 a...
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...eal);
db.SubmitChanges();
return RedirectToAction("Index");
}
catch
{
var db = new DB();
IEnumerable<SelectListItem> basetypes = db.Basetypes.Select(
b => new SelectListItem { Value = b.basetype, Text = b...