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How to initialize std::vector from C-style array?
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Don't forget that you can treat pointers as iterators:
w_.assign(w, w + len);
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Check a radio button with javascript
...identifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
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Looking to understand the iOS UIViewController lifecycle
...nd viewDidLayoutSubviews go on this flowchart?
– Max_Power89
Dec 18 '14 at 16:40
7
This diagram ...
How to find all the subclasses of a class given its name?
...ses (i.e. subclassed from object, which is the default in Python 3) have a __subclasses__ method which returns the subclasses:
class Foo(object): pass
class Bar(Foo): pass
class Baz(Foo): pass
class Bing(Bar): pass
Here are the names of the subclasses:
print([cls.__name__ for cls in Foo.__subcla...
How can I improve my paw detection?
...mmon image morphology operation.
Basically, you have 5 steps:
def find_paws(data, smooth_radius=5, threshold=0.0001):
data = sp.ndimage.uniform_filter(data, smooth_radius)
thresh = data > threshold
filled = sp.ndimage.morphology.binary_fill_holes(thresh)
coded_paws, num_paws ...
How do you install Boost on MacOS?
...st.org/users/download/#live
Unpack and go into the directory:tar -xzf boost_1_50_0.tar.gz
cd boost_1_50_0
Configure (and build bjam):
./bootstrap.sh --prefix=/some/dir/you/would/like/to/prefix
Build:
./b2
Install:./b2 install
Depending on the prefix you choose in Step 3, you might need to sudo S...
Unix - create path of folders and file
...or the code example can be: mkdir -p /my/other/path/here && touch $_/cpredthing.txt. The $_ expands to essentially the "last argument in the last command executed".
– Sgnl
Apr 19 '16 at 1:37
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How to read the database table name of a Model instance?
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Found the answer myself: the _meta attribute of an instance has the information:
model_instance._meta.db_table
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How to use Morgan logger?
...o do logging in the way that servers like Apache and Nginx log to the error_log or access_log. For reference, this is how you use morgan:
var express = require('express'),
app = express(),
morgan = require('morgan'); // Require morgan before use
// You can set morgan to lo...
xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...
...e\xtree(1775): 参见对正在编译的函数 模板 实例化“std::pair<_Ty1,_Ty2> std::_Tree<_Traits>::_Insert_nohint<std::pair<const _Kty,_Ty>&,_Nodety>(bool,_Valty,_Nodety)”的引用
1> with
1> [
1> _Ty1=std::_Tree_iterator<std::_Tree_val<std::_Tree_simple_t...