大约有 42,000 项符合查询结果（耗时：0.0474秒） [XML]
How do I convert from BLOB to TEXT in MySQL?
...lot of records where text has been stored in a blob in MySQL. For ease of handling I'd like to change the format in the database to TEXT... Any ideas how easily to make the change so as not to interrupt the data - I guess it will need to be encoded properly?
...
How to delete a localStorage item when the browser window/tab is closed?
...ocalStorage with key + value that should be deleted when browser is closed and not single tab.
19 Answers
...
How to pipe stdout while keeping it on screen ? (and not to a output file)
I would like to pipe standard output of a program while keeping it on screen.
5 Answers
...
Delete all Duplicate Rows except for One in MySQL? [duplicate]
...
Editor warning: This solution is computationally inefficient and may bring down your connection for a large table.
NB - You need to do this first on a test copy of your table!
When I did it, I found that unless I also included AND n1.id <> n2.id, it deleted every row in the ta...
Github Push Error: RPC failed; result=22, HTTP code = 413
...blocking big upload files.
Solution for nginx
Just load your nginx.conf and add client_max_body_size 50m; ( changing the value to your needs ) in the http block.
Reload nginx to accept the new config by executing sudo service nginx reload and try again to push your commit over http.
Solution f...
Problem with converting int to string in Linq to entities
...an 20 '14 at 14:01
Shimmy Weitzhandler
88.9k116116 gold badges372372 silver badges585585 bronze badges
answered Jul 20 '10 at 17:44
...
Create batches in linq
...ches as entire collections of items (which accumulates the items anyways), and often process batches in parallel (which is not supported by the iterator approach, and will be a nasty surprise unless you know the implementation details).
– Michael Petito
May 19 ...
How to use permission_required decorators on django class-based views
I'm having a bit of trouble understanding how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how ...
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...th a condition like data[c] & 0x80 or so that can be true for positive and negative values?). I had compilers make invalid optimisations (for example, a couple of years ago, I had an ICC (11.0, iirc) use signed-32-bit-int-to-double conversion in 1.0/n where n was an unsigned int. Was about twice...
Saving images in Python at a very high quality
...
If you are using matplotlib and trying to get good figures in a latex document, save as an eps. Specifically, try something like this after running the commands to plot the image:
plt.savefig('destination_path.eps', format='eps')
I have found that ep...