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Convert Python dictionary to JSON array
... @J.F.Sebastian: Indeed, very inefficient as compared to b64encode. For example, for the 256 character string s = ''.join(chr(i) for i in xrange(256)), len(json.dumps(b64encode(s))) == 346 vs len(json.dumps(s.decode('latin1'))) == 1045.
– martineau
Feb 2...
MongoDB sort排序、index索引教程 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...排列。
语法
sort()方法基本语法如下所示：
>db.COLLECTION_NAME.find().sort({KEY:1})
注意：
即使键值写错了（即文档中没有该键值），命令本身不会报错，当然排序也没有效果。
实例
col 集合中的数据如下：
{ "_id" : ObjectId("56066542...
Makefile, header dependencies
...are using a GNU compiler, the compiler can assemble a list of dependencies for you. Makefile fragment:
depend: .depend
.depend: $(SRCS)
rm -f ./.depend
$(CC) $(CFLAGS) -MM $^ -MF ./.depend;
include .depend
or
depend: .depend
.depend: $(SRCS)
rm -f ./.depend
$(...
jQuery Validate Plugin - Trigger validation of single field
I've got a form that can optionally be pre-populated via facebook connect. Once a user connects, their name and email are automatically filled in. The problem is that this doesn't trigger the remote validation to check if the email already exists.
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How do you install Boost on MacOS?
How do you install Boost on MacOS?
Right now I can't find bjam for the Mac.
10 Answers
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Using the HTML5 “required” attribute for a group of checkboxes?
When using the newer browsers that support HTML5 (FireFox 4 for example);
and a form field has the attribute required='required' ;
and the form field is empty/blank;
and the submit button is clicked;
the browsers detects that the "required" field is empty and does not submit the form; ins...
Why does calling a function in the Node.js REPL with )( work?
... which is ultimately as:
(hi)()
The additional parenthesis are added to force it to be an Expression:
// First we attempt to eval as expression with parens.
// This catches '{a : 1}' properly.
self.eval('(' + evalCmd + ')',
// ...
The intent is to treat {...} as Object literals/ini...
How do I set a textbox's text to bold at run time?
I'm using Windows forms and I have a textbox which I would occassionally like to make the text bold if it is a certain value.
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what is .netrwhist?
...
Related, if it's intended for remote files, why is it recording paths for local files?
– zaTricky
May 2 at 15:05
add a comment...
What are the special dollar sign shell variables?
...r to be several variables which hold special, consistently-meaning values. For instance,
4 Answers
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