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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
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In Vim, I'd like to go back a word. The opposite of `w`
When you're using vim, you can move forward word by word with w . How do I go backwards?
4 Answers
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How to automatically select all text on focus in WPF TextBox?
If I call SelectAll from a GotFocus event handler, it doesn't work with the mouse - the selection disappears as soon as mouse is released.
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Is MD5 still good enough to uniquely identify files?
Is MD5 hashing a file still considered a good enough method to uniquely identify it given all the breaking of MD5 algorithm and security issues etc? Security is not my primary concern here, but uniquely identifying each file is.
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Switch statement for greater-than/less-than
so I want to use a switch statement like this:
10 Answers
10
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Read user input inside a loop
I am having a bash script which is something like following,
6 Answers
6
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Aligning rotated xticklabels with their respective xticks
Check the x axis of the figure below. How can I move the labels a bit to the left so that they align with their respective ticks?
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How do I debug error ECONNRESET in Node.js?
I'm running an Express.js application using Socket.io for a chat webapp
and I get the following error randomly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself immediately.
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How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
...have a .diff file created by a coworker, and would like to apply the changes listed in that diff file to my local branch of the exact same repository. I do not have access to that worker's pc or branch that was used to generate this diff file.
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What is “with (nolock)” in SQL Server?
Can someone explain the implications of using with (nolock) on queries, when you should/shouldn't use it?
16 Answers
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