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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
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How to detect incoming calls, in an Android device?
I'm trying to make an app like, when a call comes to the phone I want to detect the number. Below is what I tried, but it's not detecting incoming calls.
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Try-finally block prevents StackOverflowError
...where N is the maximum stack depth.
Imagine the maximum depth is 5
foo() calls
foo() calls
foo() calls
foo() calls
foo() which fails to call foo()
finally calls
foo() which fails to call foo()
finally
foo() calls
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PHP DOMDocument errors/warnings on html5-tags
... @KlaasSangers Until we have a non-crippled DOM implementation, I'm afraid it is (either through @ or libxml_*)
– Dan Lugg
Sep 18 '14 at 20:56
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How to make the 'cut' command treat same sequental delimiters as one?
...e characters to tab. For example: I came here looking for a way to automatically export my display: who am i | tr -s ' ()' '\t' | cut -f5
– Leo
Mar 28 '16 at 23:24
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Differences between distribute, distutils, setuptools and distutils2?
...not included in the standard library. It introduced a command-line utility called easy_install. It also introduced the setuptools Python package that can be imported in your setup.py script, and the pkg_resources Python package that can be imported in your code to locate data files installed with a ...
How can I resize an image dynamically with CSS as the browser width/height changes?
... even require media queries.
To make the images flexible, simply add max-width:100% and height:auto. Image max-width:100% and height:auto works in IE7, but not in IE8 (yes, another weird IE bug). To fix this, you need to add width:auto\9 for IE8.
source: http://webdesignerwall.com/tutorials/respons...
How to use WinForms progress bar?
...hat would not result in an extra thread running. Only if DoWorkAsync would call it's own await for e.g. waiting on an I/O operation, would the button1_Click function continue. The main UI thread is blocked for this duration. If DoWorkAsync is not really async but just a lot of synchronous statements...
moment.js - UTC gives wrong date
...
Many thanks. So basically, I should always pass in time when using UTC or pass in UTC as in your second approach.
– brg
Jul 25 '13 at 12:08
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Is there any good dynamic SQL builder library in Java? [closed]
...(name:"t1",description:"XXX");
def col1 = new Column(primaryKey:true,name:"id",type:"bigint",required:true);
t.addColumn(col1);
t.addColumn(new Column(name:"c2",type:"DECIMAL",size:"8,2"));
t.addColumn( new Column(name:"c3",type:"varchar"));
t.addColumn(new Column(name:"c4",type:"TIMESTAMP",descript...