大约有 47,000 项符合查询结果（耗时：0.0647秒） [XML]
Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
... rather than relying on Globals
def function(Var1, Var2):
if Var2 == 0 and Var1 > 0:
print("Result One")
elif Var2 == 1 and Var1 > 0:
print("Result Two")
elif Var1 < 1:
print("Result Three")
return Var1 - 1
function(1, 1)
...
How do I flush the PRINT buffer in TSQL?
I have a very long-running stored procedure in SQL Server 2005 that I'm trying to debug, and I'm using the 'print' command to do it. The problem is, I'm only getting the messages back from SQL Server at the very end of my sproc - I'd like to be able to flush the message buffer and see these messages...
What does `void 0` mean? [duplicate]
...
1024
What does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always retur...
How can I create a Set of Sets in Python?
...
answered May 9 '11 at 0:18
a3nma3nm
7,50155 gold badges2525 silver badges3737 bronze badges
...
Fill between two vertical lines in matplotlib
...
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
ax.plot(range(20))
ax.axvspan(8, 14, alpha=0.5, color='red')
plt.show()
You could use fill_betweenx to do this, but the extents (both x and y) of the rectangle would be in data coordinates. With axvspan, the y-extents of the rectangle...
Adding iOS UITableView HeaderView (not section header)
...ht; }
– panthor314
Aug 26 '16 at 20:01
|
show 2 more comments
...
Capture characters from standard input without waiting for enter to be pressed
...
101
That's not possible in a portable manner in pure C++, because it depends too much on the termin...
How can I truncate a datetime in SQL Server?
...e a datetime value (as to remove hours minutes and seconds) in SQL Server 2008?
13 Answers
...
valueOf() vs. toString() in Javascript
...
107
The reason why ("x="+x) gives "x=value" and not "x=tostring" is the following. When evaluating ...
Checking for the correct number of arguments
...
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
exit 1
fi
Translation: If number of arguments is not (numerically) equal to 1 or the first argument is not a directory, output usage to stderr and exit with a failure status code.
More friendly er...