大约有 44,000 项符合查询结果（耗时：0.0729秒） [XML]
SQLite table constraint - unique on multiple columns
...ges based on the table definition type (see the second table where 'Alice' now has id = 4; the first table is doing more of what I expect it to do, keep the PRIMARY KEY the same). Be aware of this effect.
share
|
...
SQL DELETE with INNER JOIN
...
Changed, might be more successful now?
– Dan
Dec 22 '11 at 2:51
Error: [Err]...
How To Create a Flexible Plug-In Architecture?
.... Not just plugin developers. py.test does this well. Eclipse as far as I know, does not.
share
|
improve this answer
|
follow
|
...
How do I make this file.sh executable via double click?
...e content and save it
Type -> chmod +x fileName
It will create exe file now you can double click and it.
File name should in under double quotes.
Since i am using Mac->In my case content of batch file is
cd /Users/yourName/Documents/SeleniumServer
java -jar selenium-server-standalone-3.3.1...
Is there any async equivalent of Process.Start?
... immediately rather than waiting for the Process to actually exit. Do not know why, just a word of caution.
– Chris Moschini
Oct 1 '14 at 6:15
...
How to merge 2 JSON objects from 2 files using jq?
...
Since 1.4 this is now possible with the * operator. When given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get y...
Why is Python 3.x's super() magic?
...decorator_returning_new_class
class Foo(Bar):
def baz(self):
# Now `Foo` is a *different class*
return super(Foo, self).baz() + 42
The magic super() __class__ cell sidesteps these issues nicely by giving you access to the original class object.
The PEP was kicked off by Guido,...
Git command to show which specific files are ignored by .gitignore
... What version of git are you using? Mine (1.7.0.4) says error: unknown option 'ignored'. Even adding -s as suggested in linked post didn't work.
– Alexander Bird
Oct 25 '12 at 21:49
...
Why would you use String.Equals over ==? [duplicate]
...g
str4 "String" {1#} string
obj2 "String" {5#} object {string}
Now look at {1#} and {5#}
obj, str2, str4 and obj2 references are same.
obj and obj2 are object type and others are string type
Conclusion:
com1: result = (obj == str2);// true
compares object and string so performs a...
Is there a reason for C#'s reuse of the variable in a foreach?
...
And now we will have to remember foreach is 'safe' but for is not.
– leppie
Jan 18 '12 at 5:58
22
...