大约有 47,000 项符合查询结果（耗时：0.0616秒） [XML]
An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
...
Right query to get the current number of connections in a PostgreSQL DB
...ed Jan 13 '14 at 1:34
informatik01
14.7k88 gold badges6666 silver badges100100 bronze badges
answered Mar 11 '11 at 8:52
...
Get a list of distinct values in List
...
answered Apr 21 '12 at 0:33
Kirk WollKirk Woll
68.3k1818 gold badges169169 silver badges184184 bronze badges
...
How do I add files without dots in them (all extension-less files) to the gitignore file?
...uld want to version:
git add -f -- myFile
Note that with git 2.9.x/2.10 (mid 2016?), it might be possible to re-include a file if a parent directory of that file is excluded if there is no wildcard in the path re-included.
Nguyễn Thái Ngọc Duy (pclouds) is trying to add this feature:
co...
Is there a command for formatting HTML in the Atom editor?
... |
edited Nov 7 '18 at 3:01
dovetalk
1,94911 gold badge1313 silver badges2020 bronze badges
answered Ju...
PatternSyntaxException: Illegal Repetition when using regex in Java
...message: "Illegal repetition".
You should escape them: "\\{\"user_id\" : [0-9]*\\}".
And since you seem to be trying to parse JSON, I suggest you have a look at Jackson.
share
|
improve this answe...
How can I make Vim's `J` and `gq` commands use one space after a period?
...
107
:help joinspaces
'joinspaces' 'js' boolean (default on)
global
...
How can I provide multiple conditions for data trigger in WPF?
...
280
Use MultiDataTrigger type
<Style TargetType="ListBoxItem">
<Style.Triggers>
...
Set scroll position
...
You can use window.scrollTo(), like this:
window.scrollTo(0, 0); // values are x,y-offset
share
|
improve this answer
|
follow
|
...
Find the most common element in a list
...# print 'SL:', SL
groups = itertools.groupby(SL, key=operator.itemgetter(0))
# auxiliary function to get "quality" for an item
def _auxfun(g):
item, iterable = g
count = 0
min_index = len(L)
for _, where in iterable:
count += 1
min_index = min(min_index, where)
...