大约有 21,000 项符合查询结果（耗时：0.0439秒） [XML]
Shading a kernel density plot between two points.
...
With the polygon() function, see its help page and I believe we had similar questions here too.
You need to find the index of the quantile values to get the actual (x,y) pairs.
Edit: Here you go:
x1 <- min(which(dens$x >= q75))
x2 <- max(which(dens$x < q95))
with(dens, ...
Git branching strategy integated with testing/QA process
... be accepted after testing but we would like to release other features already merged on develop that would be hell. Develop is a branch from which a release is made and thus should better be in a releasable state. The long version is that we test in many phases. More analytically:
Developer creat...
Nullable vs. int? - Is there any difference?
...
LukeHLukeH
233k5050 gold badges338338 silver badges395395 bronze badges
...
Why would you use Expression rather than Func?
... to treat lambda expressions as expression trees and look inside them instead of executing them. For example, LINQ to SQL gets the expression and converts it to the equivalent SQL statement and submits it to server (rather than executing the lambda).
Conceptually, Expression<Func<T>> is...
How to execute PHP code from the command line?
...h, but if you don't want to install the awesome interactive shell for php made by facebook to get tab completion, history, and so on, then use -a as such:
>>> php -a
Interactive shell
php > echo function_exists("foo") ? "yes" : "no";
no
php >
If it doesn't work on your box like o...
What is a “feature flag”?
...e the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
There are heaps of other reasons you would want to use this though - one of the main being enabling Continuous Delivery: pushing things into production/live yet having the feature disabled/toggled until it's...
Service vs IntentService in the Android platform
...houldn't be too long. If you need to perform long tasks, you must use threads within Service.
The IntentService can be used in long tasks usually with no communication to Main Thread. If communication is required, can use Main Thread handler or broadcast intents. Another case of use is when callba...
What is the best way to compare floats for almost-equality in Python?
...
Python 3.5 adds the math.isclose and cmath.isclose functions as described in PEP 485.
If you're using an earlier version of Python, the equivalent function is given in the documentation.
def isclose(a, b, rel_tol=1e-09, abs_tol=0.0):
...
AngularJS: Basic example to use authentication in Single Page Application
...ing user login defined here*/
.constant('USER_ROLES', {
all : '*',
admin : 'admin',
editor : 'editor',
guest : 'guest'
}).constant('AUTH_EVENTS', {
loginSuccess : 'auth-login-success',
loginFailed : 'auth-login-failed',
logoutSuccess : 'auth-logout-success',
sessionTi...
How to write LDAP query to test if user is member of a group?
...
Dan
2,25155 gold badges3636 silver badges5050 bronze badges
answered Jun 23 '09 at 12:59
marc_smarc_s
...