大约有 47,000 项符合查询结果（耗时：0.0591秒） [XML]
Remove all but numbers from NSString
...ne numbers are formatted. How would I remove all characters except numbers from the string?
22 Answers
...
Return from lambda forEach() in java
...
The return there is returning from the lambda expression rather than from the containing method. Instead of forEach you need to filter the stream:
players.stream().filter(player -> player.getName().contains(name))
.findFirst().orElse(null);
...
Performing user authentication in Java EE / JSF using j_security_check
...F .
Then use BalusC's tip above on lazy initializing the user information from the database. He suggested doing it in a managed bean getting the principal from the faces context. I used, instead, a stateful session bean to store session information for each user, so I injected the session context:
...
jquery save json data object in cookie
...sket-data", JSON.stringify($("#ArticlesHolder").data()));
Then to get it from the cookie:
$("#ArticlesHolder").data(JSON.parse($.cookie("basket-data")));
This relies on JSON.stringify() and JSON.parse() to serialize/deserialize your data object, for older browsers (IE<8) include json2.js to ...
How do you make sure email you send programmatically is not automatically marked as spam?
... Some spam systems take into account individual reading habits. (Do emails from this sender get read or are they deleted without reading? Etc.) So this will definitely help you find when they are being flagged (true negative), but this step won't prove that they won't for other users on the same sys...
Best way to structure a tkinter application? [closed]
...ually create the main window until the very last step. I prefer inheriting from tk.Frame just because I typically start by creating a frame, but it is by no means necessary.
If your app has additional toplevel windows, I recommend making each of those a separate class, inheriting from tk.Toplevel...
How do I execute inserts and updates in an Alembic upgrade script?
...0:06.784170
"""
revision = '169ad57156f0'
down_revision = '29b4c2bfce6d'
from alembic import op
import sqlalchemy as sa
from sqlalchemy import orm
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class Player(Base):
__tablename__ = 'players'
id = sa.Col...
Create a completed Task
... 2. Either you haven't downloaded the latest CTP (which is 4 and linked to from that site) or you haven't specified version 4.5.3. Here's what's on my machine. @PeterRitchie
– i3arnon
Oct 14 '14 at 17:23
...
What does “Could not find or load main class” mean?
...relative pathnames in the classpath, check that they resolve correctly ... from the current directory that is in effect when you run the java command.
Check that the class (mentioned in the error message) can be located on the effective classpath.
Note that the classpath syntax is different for Wind...
Compute a confidence interval from sample data
...assumptions for both are that the sample (array a) was drawn independently from a normal distribution with unknown standard deviation (see MathWorld or Wikipedia).
For large sample size n, the sample mean is normally distributed, and one can calculate its confidence interval using st.norm.interval(...