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Renaming columns in pandas
...e the name of the first variable of df. Then you can do something like: new_columns = df.columns.values; new_columns[0] = 'XX'; df.columns = new_columns
– cd98
Nov 20 '13 at 14:18
...
Where to get “UTF-8” string literal in Java?
...va.nio.charset.StandardCharsets defines constants for Charset including UTF_8.
import java.nio.charset.StandardCharsets;
...
StandardCharsets.UTF_8.name();
For Android: minSdk 19
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In pure functional languages, is there an algorithm to get the inverse function?
...he functional languages have that option. For example:
f :: a -> Int
f _ = 1
This function does not have an inverse.
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When to use dynamic vs. static libraries
...t virtual address. DLL certainly supports this.
– dma_k
Oct 2 '10 at 12:35
21
@dma_k: Windows DLL...
href image link download on click
...
<a href="download.php?file=path/<?=$row['file_name']?>">Download</a>
download.php:
<?php
$file = $_GET['file'];
download_file($file);
function download_file( $fullPath ){
// Must be fresh start
if( headers_sent() )
die('Headers Sent');
...
Unsubscribe anonymous method in C#
...approach:
public class SomeClass
{
private readonly IList<Action> _eventList = new List<Action>();
...
public event Action OnDoSomething
{
add {
_eventList.Add(value);
}
remove {
_eventList.Remove(value);
}
}
}
Override the event add/remove met...
Get last element of Stream/List in a one-liner
...o you by the way know if it is possibly to omit a name (perhaps by using a _ or similar) in cases where you do not need a parameter? So would be: .reduce((_, current) -> current) if only that aws valid syntax.
– skiwi
Jan 29 '14 at 20:18
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Can I set max_retries for requests.request?
...
s = requests.Session()
s.mount('http://stackoverflow.com', HTTPAdapter(max_retries=5))
The max_retries argument takes an integer or a Retry() object; the latter gives you fine-grained control over what kinds of failures are retried (an integer value is turned into a Retry() instance which only ha...
Eclipse Kepler for OS X Mavericks request Java SE 6
...ymlink (details):
sudo mkdir -p /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/bundle/Libraries
sudo ln -s /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/jre/lib/server/libjvm.dylib /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/bundle/Libraries/
sudo...
How to convert a string to utf-8 in Python
...
In Python 2
>>> plain_string = "Hi!"
>>> unicode_string = u"Hi!"
>>> type(plain_string), type(unicode_string)
(<type 'str'>, <type 'unicode'>)
^ This is the difference between a byte string (plain_string) and a unic...