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Getting list of lists into pandas DataFrame
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With approach explained by EdChum above, the values in the list are shown as rows. To show the values of lists as columns in DataFrame instead, simply use transpose() as following:
table = [[1 , 2], [3, 4]]
df = DataFrame(table)
df = df.transpose()...
Difference between python3 and python3m executables
...his is what Pymalloc is:
Pymalloc, a specialized object allocator written by Vladimir
Marangozov, was a feature added to Python 2.1. Pymalloc is intended to
be faster than the system malloc() and to have less memory overhead
for allocation patterns typical of Python programs. The allocator uses
C's...
Math.random() versus Random.nextInt(int)
...hich is uniformly distributed in the range 0 to n-1.
Prior to scaling by 6, the output of Math.random() is one of 2^53 possible values drawn from a uniform distribution.
Scaling by 6 doesn't alter the number of possible values, and casting to an int then forces these values into one of si...
Position: absolute and parent height?
...eeping the children as position: absolute, you could do so with JavaScript by finding the height of the absolutely positioned children after they have rendered, and using that to set the height of the parent.
Alternatively, just use float: left/float:right and margins to get the same positioning ef...
How do I move an existing window to a new tab?
...t with recent versions of Vim (>= 7.3) you can also use persistent undo by setting set undodir=/path/to/dir where /path/to/dir is a directory you've created for the purpose and then set undofile. This will allow you quit vim and then restart and still retain the undo/redo state.
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WPF Bind to itself
...ng has a source and a path. You can do a "binding to itself", for example, by using
<myUIControl myProperty="{Binding RelativeSource={RelativeSource Self}, Path=x}" />
This, however, sets the source to the control itself, so it will try to access property x of the UI control (rather than pr...
Java; String replace (using regular expressions)?
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str.replaceAll("\\^([0-9]+)", "<sup>$1</sup>");
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Case insensitive regex in JavaScript
...reaching for "case insensitive regex", you can usually accomplish the same by just manipulating the case of the strings you are comparing:
const foo = 'HellO, WoRlD!';
const isFoo = 'hello, world!';
return foo.toLowerCase() === isFoo.toLowerCase();
I would also call this easier to read and grok the...
Jackson JSON custom serialization for certain fields
...rties can be serialize which are needful for client only
Define our Views by simply creating following class:
public class Views
{
static class Android{};
static class IOS{};
static class Web{};
}
Annotated model class with views:
public class Demo
{
public Demo()
{
}
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SQL Server, convert a named instance to default instance?
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Actually this is the response to this question but if you need change your instance name, please see Zasz answer. Please do not downvote because is not what you are looking for, check the question first.
– L...