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Less aggressive compilation with CSS3 calc
...es expression inside calc by default since v3.00.
Original answer (Less v1.x...2.x):
Do this:
body { width: calc(~"100% - 250px - 1.5em"); }
In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be within brackets, so the calc will work "out-of-the-box". This...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
... 19.00
Your options with numpy.set_printoptions or numpy.array2string in v1.3 are pretty clunky and limited (for example no way to suppress scientific notation for large numbers). It looks like this will change with future versions, with numpy.set_printoptions(formatter=..) and numpy.array2string(...
Why do indexes in XPath start with 1 and not 0?
...eral times, but RSS version 1.0 was released by December of 2000. With the v1.0 update, RSS included support for XML.
During 2002 v2.0 was released in September as RSS (Really Simple Syndication) and began to evolve into a major internet technology. In it’s early history, RSS feeds (and the XML d...
How do I reword the very first git commit message?
... reword it like any other commit.
The --root option was introduced in Git v1.7.12 (2012). Before then the only option was to use filter-branch or --amend, which is typically harder to do.
Note: see also this similar question and answer.
...
How to sum a variable by group
...=c(10,15,5,2,14,20,3))
data[, sum(Frequency), by = Category]
# Category V1
# 1: First 30
# 2: Second 5
# 3: Third 34
system.time(data[, sum(Frequency), by = Category] )
# user system elapsed
# 0.008 0.001 0.009
Let's compare that to the same thing using data.frame and th...
SVG get text element width
...nd then set the rect's attributes accordingly.
Link: getBBox() in the SVG v1.1 standard.
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How to extract a string using JavaScript Regex?
...:VCALENDAR\n'+
'VERSION:2.0\n'+
'PRODID:-//hacksw/handcal//NONSGML v1.0//EN\n'+
'BEGIN:VEVENT\n'+
'DTSTART:19970714T170000Z\n'+
'DTEND:19970715T035959Z\n'+
'SUMMARY:Bastille Day Party\n'+
'END:VEVENT\n'+
'END:VCALENDAR\n'
cal = calParse(example);
alert(cal.V...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...o more plugins, jQuery has implemented its own jQuery.isNumeric() added in v1.7.
jQuery.isNumeric( value )
Determines whether its argument is anumber.
Samples results
$.isNumeric( "-10" ); // true
$.isNumeric( 16 ); // true
$.isNumeric( 0xFF ); // true
$.isNumeric( "0xFF" ); // ...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...uration.Configuration
.EnableSwagger(c =>
{
c.SingleApiVersion("v1", "SwaggerDemoApi");
c.IncludeXmlComments(string.Format(@"{0}\bin\SwaggerDemoApi.XML",
System.AppDomain.CurrentDomain.BaseDirectory));
c.
psycopg2: insert multiple rows with one query
...xtras import execute_values
execute_values(cur,
"INSERT INTO test (id, v1, v2) VALUES %s",
[(1, 2, 3), (4, 5, 6), (7, 8, 9)])
Previous Answer:
To insert multiple rows, using the multirow VALUES syntax with execute() is about 10x faster than using psycopg2 executemany(). Indeed, executem...