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How to reference constants in EL?
...e.YourConstants" %>
This will under the covers be imported via ImportHandler#importClass() and be available as ${YourConstants.FOO}.
Note that all java.lang.* classes are already implicitly imported and available like so ${Boolean.TRUE} and ${Integer.MAX_VALUE}. This only requires a more recen...
JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...() 实现文字向上滚动效果。这里介绍一下实现原理：function startmarquee(lh,speed,delay,index){ *函数startmarquee的参数： jquery.sgallery.js 里面有现成的函数 startmarquee() 实现文字向上滚动效果。
这里介绍一下实现原理：
function startmarque...
Check if a given key already exists in a dictionary
...()
for i in range(100):
key = i % 10
d[key] = d.get(key, 0) + 1
and if you wanted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
f...
What are the applications of binary trees?
...ch applications where data is constantly entering/leaving, such as the map and set objects in many languages' libraries.
Binary Space Partition - Used in almost every 3D video game to determine what objects need to be rendered.
Binary Tries - Used in almost every high-bandwidth router for storing ro...
TypeError: ObjectId('') is not JSON serializable
...an aggregated function on document using Python, It returns valid response and i can print it but can not return it.
16 Ans...
How do I tell CPAN to install all dependencies?
... automatic first-time CPAN configuration:
perl -MCPAN -e 'my $c = "CPAN::HandleConfig"; $c->load(doit => 1, autoconfig => 1); $c->edit(prerequisites_policy => "follow"); $c->edit(build_requires_install_policy => "yes"); $c->commit'
Or combine it with local::lib module for ...
Python mysqldb: Library not loaded: libmysqlclient.18.dylib
I just compiled and installed mysqldb for python 2.7 on my mac os 10.6. I created a simple test file that imports
15 Answe...
How can I efficiently download a large file using Go?
...
Note that io.Copy reads 32kb (maximum) from input and writes them to output, then repeats. So don't worry about memory.
– Moshe Revah
Jul 28 '12 at 0:11
1
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Is it possible to cast a Stream in Java 8?
... answered Jun 12 '14 at 18:43
BrandonBrandon
2,1392020 silver badges3131 bronze badges
...
A weighted version of random.choice
I needed to write a weighted version of random.choice (each element in the list has a different probability for being selected). This is what I came up with:
...