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Django Rest Framework: Dynamically return subset of fields
...ment that
controls which fields should be displayed.
See:
http://tomchristie.github.io/rest-framework-2-docs/api-guide/serializers
"""
def __init__(self, *args, **kwargs):
# Don't pass the 'fields' arg up to the superclass
fields = kwargs.pop('fields', None)...
Convert String[] to comma separated string in java
...Android developers are probably looking for TextUtils.join
Android docs: http://developer.android.com/reference/android/text/TextUtils.html
Code:
String[] name = {"amit", "rahul", "surya"};
TextUtils.join(",",name)
shar...
Stateless and Stateful Enterprise Java Beans
...u need to perform a JNDI lookup and store the returned EJB instance in the HttpSession object for future activity. Something like that:
try {
InitialContext ctx = new InitialContext();
myStateful = (MyStateful)ctx.lookup("java:comp/env/MyStatefulBean");
session.setAttribute("my_stateful...
How can I find where I will be redirected using cURL?
...
@MattGibson when i use $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE); with CURLOPT_FOLLOWLOCATION set to true what will be the httpcode. I mean will it be for the first url or for the redirect url
– Manigandan Arjunan
...
What does the brk() system call do?
...ould not however find anything about it on the glibc docs, e.g.:
https://www.gnu.org/software/libc/manual/html_mono/libc.html#Resizing-the-Data-Segment
Things will likely just work there I suppose since mmap is likely used for malloc.
See also:
What's unsafe/legacy about brk/sbrk?
Why does ca...
Whether a variable is undefined [duplicate]
...
http://constc.blogspot.com/2008/07/undeclared-undefined-null-in-javascript.html
Depends on how specific you want the test to be. You could maybe get away with
if(page_name){ string += "&page_name=" + page_name; }
...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...l, PublicKeyToken=null ConsoleApplication3.Student
延伸阅读： http://blogs.msdn.com/b/cbrumme/archive/2003/04/15/51326.aspx
原文如下：
We don't expose the managed size of objects because we want to reserve the ability to change the way we lay these things out. For example, on so...
javascript function leading bang ! syntax
...t, I haven't seen the non-banged one triumph too much over the others yet: http://jsperf.com/bang-function
This was tested on the latest Ubuntu with the oldest (per say..) Chrome, version 8. So results may differ of course.
Edit: How about something crazy like delete?
delete function() {
alert...
How to use PHP OPCache?
...ltilingual
Mobile device support
Shiny graphs
Screenshots:
URL: https://github.com/PeeHaa/OpCacheGUI
opcache-status
Features:
OpCache status
OpCache configuration
OpCache statistics
Cached scripts overview
Single file
Screenshot:
URL: https://github.com/rlerdorf/opcache-status
...
FFmpeg: How to split video efficiently?
...leased into the public domain.
# For more information, please refer to <http://unlicense.org/>
function usage {
echo "Usage : ffsplit.sh input.file chunk-duration [output-filename-format]"
echo -e "\t - input file may be any kind of file reconginzed by ffmpeg"
...