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C99 stdint.h header and MS Visual Studio
...ow where I can download a copy? Without this header I have no definitions for useful types such as uint32_t, etc.
7 Answer...
Iterating through a JSON object
...us key/value pairs, all strings. When you do json_object[0], you're asking for the first dict in the list. When you iterate over that, with for song in json_object[0]:, you iterate over the keys of the dict. Because that's what you get when you iterate over the dict. If you want to access the value ...
IOCTL Linux device driver [closed]
...nterface, where you set up a file under /sys/ and read/write that to get information from and to the driver. An example of how to set this up:
static ssize_t mydrvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", DRIVER_RELEASE);
...
Python string class like StringBuilder in C#?
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There is no one-to-one correlation. For a really good article please see Efficient String Concatenation in Python:
Building long strings in the Python
progamming language can sometimes
result in very slow running code. In
this article I investigate th...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
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TypeError: super() argument 1 must be type, not classobj
Try this to see for yourself:
class OldStyle:
pass
class NewStyle(object):
pass
print type(OldStyle) # prints: <type 'classobj'>
print type(NewStyle) # prints <type 'type'>
Note that in Python 3.x, all classes are ...
How do I perform the SQL Join equivalent in MongoDB?
How do I perform the SQL Join equivalent in MongoDB?
19 Answers
19
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how to use javascript Object.defineProperty
I looked around for how to use the Object.defineProperty method, but couldn't find anything decent.
10 Answers
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How can I use pickle to save a dict?
I have looked through the information that the Python docs give, but I'm still a little confused. Could somebody post sample code that would write a new file then use pickle to dump a dictionary into it?
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How can I read a function's signature including default argument values?
Given a function object, how can I get its signature? For example, for:
8 Answers
8
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What do (lambda) function closures capture?
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Your second question has been answered, but as for your first:
what does the closure capture exactly?
Scoping in Python is dynamic and lexical. A closure will always remember the name and scope of the variable, not the object it's pointing to. Since all the function...