大约有 3,600 项符合查询结果（耗时：0.0306秒） [XML]
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
... @param anchorPoint new anchorPoint of the view in unit coords (e.g., {0.5,1.0})
@param xConstraint an NSLayoutConstraint whose constant property adjust's view x.center
@param yConstraint an NSLayoutConstraint whose constant property adjust's view y.center
As multiple constraints can contribute...
Asynchronous method call in Python?
...ile True:
print(datetime.datetime.now())
if (loop.time() + 1.0) >= end_time:
break
yield from asyncio.sleep(1)
loop = asyncio.get_event_loop()
# Blocking call which returns when the display_date() coroutine is done
loop.run_until_complete(display_date(loop))
...
Are email addresses case sensitive?
...
From RFC 5321, section 2.3.11:
The standard mailbox naming convention is defined to be
"local-part@domain"; contemporary usage permits a much broader set of
applications than simple "user names". Consequently, and due to a
long history ...
Data Modeling with Kafka? Topics and Partitions
...pics, with two different partitioning schemes.
– François Beausoleil
Aug 7 '15 at 13:46
add ...
Postgres: “ERROR: cached plan must not change result type”
...
I got this on PostgreSQL 9.0.4, with Ruby on Rails 3.1-pre5. It seems like this should be handle automatically by ActiveRecord, no?
– docwhat
Aug 7 '11 at 17:49
...
OAuth 2.0: Benefits and use cases — why?
...
Background: I've written client and server stacks for OAuth 1.0a and 2.0.
Both OAuth 1.0a & 2.0 support two-legged authentication, where a server is assured of a user's identity, and three-legged authentication, where a server is assured by a content provider of the user's identi...
Android -Starting Service at Boot Time
...Service(myIntent);
}
}
Your AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.broadcast.receiver.example"
android:versionCode="1"
android:versionName="1.0">
<appli...
What is the most compatible way to install python modules on a Mac?
.../local/bin/python2.6 # python.org (MacPython) 2.6
$ /usr/local/bin/python3.1 # python.org (MacPython) 3.1
To get the right python by default requires ensuring your shell $PATH is set properly to ensure that the right executable is found first. Another solution is to define shell aliases to th...
Difference between PCDATA and CDATA in DTD
...l be parsed, and it'll have no content, but one child.
<?xml version="1.0"?>
<foo>
<bar><test>content!</test></bar>
</foo>
When we want to specify that an element will only contain text, and no child elements, we use the keyword PCDATA, because this keyw...
What is the best Java library to use for HTTP POST, GET etc.? [closed]
...ht features:
Standards based, pure Java, implementation of HTTP versions 1.0
and 1.1
Full implementation of all HTTP methods (GET, POST, PUT, DELETE,
HEAD, OPTIONS, and TRACE) in an
extensible OO framework.
Supports encryption with HTTPS (HTTP over SSL) protocol.
Granular non-standards configura...