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When to use a key/value store such as Redis instead/along side of a SQL database?
...hich contains also use cases. Since redis is rather memory oriented it's really good for frequently updated real-time data, such as session store, state database, statistics, caching and its advanced data structures offers versatility to many other scenarios.
Redis, however, isn't NoSQL replacement...
How do you automatically resize columns in a DataGridView control AND allow the user to resize the c
...autosize mode
grd.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
grd.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
grd.Columns[2].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
//datagrid has calculated it's widths so we can store them
for (int i = 0; i...
Embed SVG in SVG?
...nteresting observation: the latest versions of Firefox, Chrome, and Safari all show only one level of recursion (two dots) using the above. However, if you save the above as "a.svg" and change the image to "b.svg", and then also save it as "b.svg" with the image referencing "a.svg", then Firefox wil...
Difference between GIT and CVS
...in the middle, the repository can be left in an inconsistent state. In Git all operations are atomic: either they succeed as whole, or they fail without any changes.
Changesets. Changes in CVS are per file, while changes (commits) in Git they always refer to the whole project. This is very important...
How can I pass command-line arguments to a Perl program?
...rbose); # flag
Alternatively, @ARGV is a special variable that contains all the command line arguments. $ARGV[0] is the first (ie. "string1" in your case) and $ARGV[1] is the second argument. You don't need a special module to access @ARGV.
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SQL NVARCHAR and VARCHAR Limits
All, I have a large (unavoidable) dynamic SQL query. Due to the number of fields in the selection criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the ...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
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How can I limit Parallel.ForEach?
I have a Parallel.ForEach() async loop with which I download some webpages. My bandwidth is limited so I can download only x pages per time but Parallel.ForEach executes whole list of desired webpages.
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Get the size of the screen, current web page and browser window
... screenHeight , pageX , pageY , screenX , screenY which will work in all major browsers?
19 Answers
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How does RewriteBase work in .htaccess
... want to clear up some details on htaccess.. does a ReWriteBase set it for all rules in the htaccess following what its declaration? is there a way to unset it, can it be reset?
– Damon
Apr 25 '13 at 15:32
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