大约有 43,000 项符合查询结果（耗时：0.0753秒） [XML]
Rails nested form with has_many :through, how to edit attributes of join model?
...
Rails 3 update: the form_for and field_for need <%= %> instead of <% %> if you're using Rails 3.
– Arcolye
Sep 29 '10 at 16:09
...
Fastest way to convert Image to Byte array
...ote Desktop sharing application in which I capture an image of the Desktop and Compress it and Send it to the receiver. To compress the image I need to convert it to a byte[].
...
Checking if all elements in a list are unique
...
Not the most efficient, but straight forward and concise:
if len(x) > len(set(x)):
pass # do something
Probably won't make much of a difference for short lists.
share
|
...
How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
...
Use the -s option BEFORE the command to specify the device, for example:
adb -s 7f1c864e shell
See also http://developer.android.com/tools/help/adb.html#directingcommands
share
...
Android TextView padding between lines
...
You can use lineSpacingExtra and lineSpacingMultiplier in your XML file.
share
|
improve this answer
|
follow
|
...
EC2 instance types's exact network performance?
...
Bandwidth is tiered by instance size, here's a comprehensive answer:
For t2/m3/c3/c4/r3/i2/d2 instances:
t2.nano = ??? (Based on the scaling factors, I'd expect 20-30 MBit/s)
t2.micro = ~70 MBit/s (qiita says 63 MBit/s) - ...
Finding the id of a parent div using Jquery
... really like closest because you can do something like .closest("div.foo") and code is not tied to the structure.
– Mark
Feb 13 '09 at 15:10
2
...
How to merge lists into a list of tuples?
...d I create [(1,5), (1,6), (1,7), (1,8), (2,5), (2,6) ,so on] using zip command?
– Mona Jalal
May 30 '16 at 4:39
...
Does Qt support virtual pure slots?
...lots in the base class. Second, you're just creating more work for the MOC and compiler since you're adding a (tiny) bit more code. Trivial, but whatever.
So, go for it..
share
|
improve this answe...
What's the opposite of head? I want all but the first N lines of a file
...
@Nicholas: Weird, I figured it would be standard documentation regardless of the OS. I pulled that from Cygwin inside Windows, so I don't know what it looks like in various Linux distros. Glad it worked.
– Joe Enos
Aug 18 '10 ...