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How can I start PostgreSQL server on Mac OS X?

...al/var/postgres stop Start automatically "To have launchd start postgresql now and restart at login:" brew services start postgresql What is the result of pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start? What is the result of pg_ctl -D /usr/local/var/postgres status? A...
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Download data url file

...st calling a.click() directly would not work but it worket with the event. Now they both work. – Zibri Mar 17 '19 at 9:48 1 ...
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Generate a heatmap in MatPlotLib using a scatter data set

...in plot; so do (AFAIK) all of the plotting libraries for R; still i don't know if this is the generally accepted term for plots of this type, though i suspect it's likely given that hexbin is short for hexagonal binning, which is describes the essential step in preparing the data for display.) fr...
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Select which href ends with some string

... something changed recently. $('[href$=-abc]') used to work. Now it requires quotes $('[href$="-abc"]') I don't know when it changed. Maybe it was always supposed to require quotes and just happened to work before. – gman Jul 25 '11 at 7:34 ...
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Missing file warnings showing up after upgrade to Xcode 4

I recently upgraded to Xcode 4 (which is a great upgrade) but now I'm getting some warnings that I did not get before. I have looked through forums and other SO posts but have not come across how to fix this. ...
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Stop form refreshing page on submit

... Super old thread, but for anybody who comes across this now, please do not try action="#" because it does not work and is not an appropriate solution. The key is actually onsubmit="yourJsFunction();return false" – Jeff Nov 9 '19 at 21:04 ...
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Grab a segment of an array in Java without creating a new array on heap

...have to create a new byte array in the heap memory just to do that. Right now I have the following code: 15 Answers ...
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What's the “average” requests per second for a production web application?

... @user :-D Yes, it's pretty much historical now. It was a useful answer for me at the time, though! :-) – Peter K. Sep 14 '17 at 10:59 add a com...
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How to convert .pfx file to keystore with private key?

...n't let you do it. I remember that 8 years ago I'd have to run openssl but now with keytool in the Oracle JDK 6 and 7, it works like a charm, just like Justin said. – David Brossard May 2 '13 at 16:09 ...
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Run certain code every n seconds [duplicate]

...le, I guess I pasted the code from the web user manual. The above code is now corrected (still not tested, but it comes from my own working code and I am using it constantly). PS: maybe we are looking at different versions / modules? I'm sure my line is "from apscheduler.scheduler import Schedule...