大约有 30,000 项符合查询结果（耗时：0.0441秒） [XML]
What is the difference between gravity and layout_gravity in Android?
...nges a view in its layout. Gravity arranges the content inside the view.
xml
Here is the xml for the above image for your reference:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
...
Relative imports in Python 2.7
...short version is that there is a big difference between directly running a Python file, and importing that file from somewhere else. Just knowing what directory a file is in does not determine what package Python thinks it is in. That depends, additionally, on how you load the file into Python (by...
Find first element in a sequence that matches a predicate
...redicate:
next(x for x in seq if predicate(x))
Or (itertools.ifilter on Python 2):
next(filter(predicate, seq))
It raises StopIteration if there is none.
To return None if there is no such element:
next((x for x in seq if predicate(x)), None)
Or:
next(filter(predicate, seq), None)
...
Why are Python lambdas useful? [closed]
I'm trying to figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should be forgotten?
...
What is [Serializable] and when should I use it?
...ect from one domain to another, passing an object through a firewall as an XML string, or maintaining security or user-specific information across applications.
Apply SerializableAttribute to a type to indicate that instances of this type can be serialized. Apply the SerializableAttribute even if th...
Maven compile with multiple src directories
...ld-helper-maven-plugin from eclipse marketplace to remove the error in pom.xml
– dieend
Sep 23 '15 at 7:57
...
Read url to string in few lines of java code
...alog/search/opensearch webservice, I'm getting only the first two lines of xml.
– Ortomala Lokni
Apr 7 '16 at 14:13
Th...
What does “mro()” do?
...e at class initialization, and the result is stored in __mro__ -- see docs.python.org/library/… .
– Alex Martelli
Jan 6 '10 at 4:24
23
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what's the correct way to send a file from REST web service to client?
...eded:
jersey-bundle-1.14.jar
jersey-multipart-1.14.jar
mimepull.jar
WEB.XML:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
...
Nokogiri installation fails -libxml2 is missing
...
First, install the dependencies:
sudo apt-get install libxslt-dev libxml2-dev
If you still receive the error, you may be missing a compiler toolchain:
sudo apt-get install build-essential
You'll get the "libxml2 is missing" error if you're missing a build toolchain (at least I ran into th...