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Re-ordering columns in pandas dataframe based on column name [duplicate]
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df = df.reindex(sorted(df.columns), axis=1)
This assumes that sorting the column names will give the order you want. If your column names won't sort lexicographically (e.g., if you want column Q10.3 to appear after Q9.1), you'll need to...
Remove multiple whitespaces
... to be replaced with space. Now his pattern does not match these, say for $x = "does\nthis\twork"; The OP wants all whitespace to be replaced with a single space.
– codaddict
Feb 24 '10 at 13:17
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CSV new-line character seen in unquoted field error
....reader(self.file)
with:
file_read = csv.reader(self.file, dialect=csv.excel_tab)
Or, open a file with universal newline mode and pass it to csv.reader, like:
reader = csv.reader(open(self.file, 'rU'), dialect=csv.excel_tab)
Or, use splitlines(), like this:
def read_file(self):
with ope...
How do I get the MAX row with a GROUP BY in LINQ query?
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using (DataContext dc = new DataContext())
{
var q = from t in dc.TableTests
group t by t.SerialNumber
into g
select new
{
...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...ey'll be the attacker's own versions of those objects, with potentially-unexpected behaviour.
For example, you can hack a setter-property into Object, that would betray the values written in object literals:
Object.prototype.__defineSetter__('x', function(x) {
alert('Ha! I steal '+x);
});
Th...
Print current call stack from a method in Python code
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Here's an example of getting the stack via the traceback module, and printing it:
import traceback
def f():
g()
def g():
for line in traceback.format_stack():
print(line.strip())
f()
# Prints:
# File "so-stack.py", ...
How do I make a UITableViewCell appear disabled?
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You can just disable the cell's text fields to gray them out:
Swift 4.x
cell!.isUserInteractionEnabled = false
cell!.textLabel!.isEnabled = false
cell!.detailTextLabel!.isEnabled = false
...
How to find the mysql data directory from command line in windows
In linux I could find the mysql installation directory with the command which mysql . But I could not find any in windows. I tried echo %path% and it resulted many paths along with path to mysql bin.
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Android: Is it possible to display video thumbnails?
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So what exactly is the id?
– phunehehe
Apr 29 '11 at 5:56
1
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What is the easiest way to initialize a std::vector with hardcoded elements?
...It will work fine without static or const, however they both make it more explicit as to how it should be used and allow the compiler to make additional optimizations.
– Yacoby
Feb 10 '10 at 16:55
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