大约有 40,000 项符合查询结果（耗时：0.0616秒） [XML]
What's the difference between io.sockets.emit and broadcast?
...
io.sockets.emit will send to all the clients
socket.broadcast.emit will send the message to all the other clients except the newly created connection
This Socket.IO Wiki post will help everyone reading this question:
...
Swing vs JavaFx for desktop applications [closed]
...
What will be cleaner and easier to maintain?
All things being equal, probably JavaFX - the API is much more consistent across components. However, this depends much more on how the code is written rather than what library is used to write it.
And what will be faster...
What should every JavaScript programmer know? [closed]
... often hiding the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript language features that you should know to grok what it's ...
Ignoring time zones altogether in Rails and PostgreSQL
...time zone.
timestamptz is the preferred type in the date/time family, literally. It has typispreferred set in pg_type, which can be relevant:
Generating time series between two dates in PostgreSQL
Internal storage and epoch
Internally, timestamps occupy 8 bytes of storage on disk and in RAM. It is...
Get key by value in dictionary
...oes not imply that it was not intended to be used as such. Not helpful at all.
– Tropicalrambler
Jan 8 at 17:52
Would...
Is floating-point math consistent in C#? Can it be?
...to way to make normal floating points deterministic in .net. The JITter is allowed to create code that behaves differently on different platforms(or between different versions of .net). So using normal floats in deterministic .net code is not possible.
The workarounds I considered:
Implement Fixe...
How to prevent form from submitting multiple times from client side?
... I tried this solution with unobtrusive validation & MVC. The JS gets called first which always return false and then validation is called. So if my form has some validation error the form never gets submitted!!
– bjan
Jun 8 '12 at 12:09
...
How to redirect the output of a PowerShell to a file during its execution
...put to a file. The problem is that I cannot change the way this script is called. So I cannot do:
10 Answers
...
What's the point of Spring MVC's DelegatingFilterProxy?
...Because this bean implements javax.servlet.Filter, its doFilter method is called.
Which bean is called? the DelegatingFilterProxy "Supports a "targetBeanName" [...], specifying the name of the target bean in the Spring application context."
As you saw in your web.xml that the bean's name is "sprin...
Cache Invalidation — Is there a General Solution?
...ched value of b. If you chose 2 you must still check b every time but can fall back on the cache for a if b checks out.
If you layer caches you must consider whether you have violated the 'rules' of the system as a result of the combined behaviour.
If you know that a always has validity if b does...