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mysql: see all open connections to a given database?
With administrative permissions im mysql, how can I see all the open connections to a specific db in my server?
8 Answers
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Is there a way to check which CSS styles are being used or not used on a web page?
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Install the CSS Usage add-on for Firebug and run it on that page. It will tell you which styles are being used and not used by that page.
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What is the meaning of the 'g' flag in regular expressions?
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g is for global search. Meaning it'll match all occurrences. You'll usually also see i which means ignore case.
Reference: global - JavaScript | MDN
The "g" flag indicates that the regular expression should be tested against all possible matches in a string.
Wit...
Most efficient way to store thousand telephone numbers
... the end to minimize the required space.
We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how many phone numbers there are for which the binary number consisting of the first m bits is all 0, for how many phone numbers the first m bits are at most 0...01, for how man...
How to cancel a local git commit
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By the way, this is called --mixed in the manual.
– Josh Lee
Jan 31 '11 at 17:58
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Enum “Inheritance”
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This is not possible. Enums cannot inherit from other enums. In fact all enums must actually inherit from System.Enum. C# allows syntax to change the underlying representation of the enum values which looks like inheritance, but in actuality they still inherit from System.enum.
See section 8...
Make .gitignore ignore everything except a few files
...han the root dir won't be found anyway. I'm using this now (with *.pl) and all *.pl files are being ignored even though there are many in the subdirectories below the .gitignore file
– PandaWood
Nov 6 '11 at 1:44
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Setting up a deployment / build / CI cycle for PHP projects
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I've been through buildbot, CruiseControl.net, CruiseControl and Hudson. All though I really liked CruiseControl*, it was just too much of a hassle with really complex dependency cases. buildbot is not easy to set up, but it's got a nice aura (I just like python, that's all). But hudson won over t...
How to select multiple rows filled with constants?
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SELECT 1, 2, 3
UNION ALL SELECT 4, 5, 6
UNION ALL SELECT 7, 8, 9
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Git checkout: updating paths is incompatible with switching branches
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That should be "git fetch REPOSITORY_NAME" to get all of the branches on that repository.
– Mike Thomsen
Mar 24 '10 at 22:36
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