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What is the difference between shallow copy, deepcopy and normal assignment operation?
... graphical example how the following code is executed:
import copy
class Foo(object):
def __init__(self):
pass
a = [Foo(), Foo()]
shallow = copy.copy(a)
deep = copy.deepcopy(a)
share
|
...
Using capistrano to deploy from different git branches
...
-s branch=foo sets the capistrano variable branch to foo after the recipes are loaded
– alvin
Apr 23 '13 at 17:56
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How do I resolve ClassNotFoundException?
...oject/classes in my classpath, and I attempt to load a class com.mycompany.Foo, it will look under the classes directory for a directory called com, then under that a directory called mycompany, and finally it will look for a file called Foo.class in that directory.
In the second instance, for jar ...
What is the correct JSON content type?
...according to the query parameters passed in the URL.
Example:
{ "Name": "Foo", "Id": 1234, "Rank": 7 }
Content-Type: application/json
JSON-P:
JSON with padding.
Response is JSON data, with a function call wrapped around it.
Example:
functionCall({"Name": "Foo", "Id": 1234, "Rank": 7});
C...
How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
10 Answers
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Which characters make a URL invalid?
... Thanks. Good catch: the %25 was a typo in the example. Added footnote to the "reserved" syntax description directly from RFC-2396.
– JasonM1
Jul 8 '13 at 21:15
1
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python exception message capturing
... @avyfain - You are incorrect. The statement logging.error('foo %s', str(e)) will always convert e to a string. To achieve what you are afterm you would use logging.error('foo %s', e) - thereby allowing the logging framework to do (or not do) the conversion.
– Ro...
Inspecting standard container (std::map) contents with gdb
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Its also a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation.
– Bklyn
Jan 9 '09 at 21:49
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How do i find out what all symbols are exported from a shared object?
...n conflates them all :-(
For an AIX shared object, use dump -Tv /path/to/foo.o.
For an ELF shared library, use readelf -Ws /path/to/libfoo.so, or (if you have GNU nm) nm -D /path/to/libfoo.so.
For a non-ELF UNIX shared library, please state which UNIX you are interested in.
For a Windows DLL, use ...
Swift: Pass array by reference?
...lue by reference, by also to pass it by reference, so pass it with & - foo(&myVar) instead of just foo(myVar)
So do it like this:
var arr = [1, 2, 3]
func addItem(inout localArr: [Int]) {
localArr.append(4)
}
addItem(&arr)
println(arr) // it will print [1, 2, 3, 4]
To be ...