大约有 9,000 项符合查询结果（耗时：0.0151秒） [XML]
How to check that a string is an int, but not a double, etc.?
... This will do some strange things such as return true for "+123". It is mitigated by that it's meant to return the true int but it still might not be what people want which is a strict int check.
– jgmjgm
Dec 11 '17 at 18:09
...
Remove duplicate rows in MySQL
...ORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will error out. As always, you may want to take a backup before running something like this...
...
How do I get the width and height of a HTML5 canvas?
...
123
It might be worth looking at a tutorial: Firefox Canvas Tutorial
You can get the width and he...
How to kill all processes with a given partial name? [closed]
...one go, you don't need a loop for that. If the ps returns three processes 123, 234, and 345, you can kill 123 234 345 just like you can rm or cat multiple file arguments.
– tripleee
Jul 9 '12 at 7:49
...
Should I impose a maximum length on passwords?
...nsible, security conscious user must assume the worst and expect that this site is storing your password literally (i.e. not hashed, as explained by epochwolf).
In that that is the case:
Avoid using this site like the plague if possible. They obviously know nothing about security.
If you truly mu...
Can you give a Django app a verbose name for use throughout the admin?
...es up. You will also need to copy the index view from django.contrib.admin.sites into your own ProjectAdminSite view and include it in your own custom admin instance:
class ProjectAdminSite(AdminSite):
def index(self, request, extra_context=None):
copied stuff here...
admin.site = Proj...
Open Facebook page from Android app?
...ered May 14 '16 at 21:40
Someguy123Someguy123
1,0541010 silver badges2424 bronze badges
...
Find where python is installed (if it isn't default dir)
...on26'
>>>
>>> print '\n'.join(sys.path)
c:\Python26\lib\site-packages\setuptools-0.6c11-py2.6.egg
c:\Python26\lib\site-packages\nose-1.0.0-py2.6.egg
C:\Windows\system32\python26.zip
c:\Python26\DLLs
c:\Python26\lib
c:\Python26\lib\plat-win
c:\Python26\lib\lib-tk
c:\Python26
c:\Pyt...
python re.sub group: number after \number
How can I replace foobar with foo123bar ?
1 Answer
1
...
Cache busting via params
...
The param ?v=1.123 indicates a query string, and the browser will therefore think it is a new path from, say, ?v=1.0. Thus causing it to load from file, not from cache. As you want.
And, the browser will assume that the source will stay t...