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Using {} in a case statement. Why?
...a = 1;
// ...
lx:
goto ly; // OK, jump implies destructor
// call for a followed by construction
// again immediately following label ly
}
Note, there are some subtleties here, you are allowed to jump past a scalar declaration that does not have an initialization, for examp...
Regular expression matching a multiline block of text
...e letters as possible until you reach a newline. This defines what I will call a textline.
((?:textline)+) means match one or more textlines but do not put each line in a group. Instead, put all the textlines in one group.
You could add a final \n in the regular expression if you want to enforce a ...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
...on pointer.
Note also that you do not need to use the unary * to make the call via the function pointer; both (*p1_foo)(); and (p1_foo)(); have the same result, again because of the function-to-function-pointer conversion.
...
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:
...
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
...
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...
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 ...
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...
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
...