大约有 45,000 项符合查询结果（耗时：0.0612秒） [XML]
how to generate migration to make references polymorphic
...
As far as I know, there's no built-in generator for polymorphic associations. Generate a blank migration and then modify it by hand according to your needs.
Update:
You'll need to specify which table you're changing. According to this S...
Expanding a parent to the height of its children
...mendeth An overflow-value called "overlay" does not exist. What is working if the child divs are floated is declaring overflow:hidden.
– Christoph
Jul 11 '12 at 10:17
...
Add string in a certain position in Python
... = hash[:4] + '-' + hash[4:]
>>> print hash
3558-79ACB6
However if you like something like a function do as this:
def insert_dash(string, index):
return string[:index] + '-' + string[index:]
print insert_dash("355879ACB6", 5)
...
Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?
...
Use == instead of Equals:
where t.CustID == custIdToQuery
If the types are incorrect you may find that this doesn't compile.
share
|
improve this answer
|
fo...
Can functions be passed as parameters?
...
If I understand your question correctly, I think you're looking for a func that returns a func, see here where I replace a hardcoded "quote123" function with a "quote" function that achieves the same result after you pass it ...
Any way to write a Windows .bat file to kill processes? [closed]
...
You can do this with 'taskkill'.
With the /IM parameter, you can specify image names.
Example:
taskkill /im somecorporateprocess.exe
You can also do this to 'force' kill:
Example:
taskkill /f /im somecorporateprocess.exe
Just add one line per process you want to kill, save it as a .ba...
Removing duplicate values from a PowerShell array
...That was too easy :-(. In PowerShell 2 you can also use Get-Unique (or gu) if your array is already sorted.
– Joey
Sep 8 '09 at 5:30
2
...
How to use a servlet filter in Java to change an incoming servlet request url?
...n url-pattern of /* or /Check_License/*, depending on the context path, or if you're on Servlet 3.0 already, use the @WebFilter annotation for that instead.
Don't forget to add a check in the code if the URL needs to be changed and if not, then just call FilterChain#doFilter(), else it will call i...
cv2.imshow command doesn't work properly in opencv-python
...://txt.arboreus.com/2012/07/11/highgui-opencv-window-from-ipython.html
If you run an interactive ipython session, and want to use highgui
windows, do cv2.startWindowThread() first.
In detail: HighGUI is a simplified interface to display images and
video from OpenCV code. It should be as...
Get last n lines of a file, similar to tail
...f the file
while lines_to_go > 0 and block_end_byte > 0:
if (block_end_byte - BLOCK_SIZE > 0):
# read the last block we haven't yet read
f.seek(block_number*BLOCK_SIZE, 2)
blocks.append(f.read(BLOCK_SIZE))
else:
# file too ...