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Call a python function from jinja2

... For those using Flask, put this in your __init__.py: def clever_function(): return u'HELLO' app.jinja_env.globals.update(clever_function=clever_function) and in your template call it with {{ clever_function() }} ...
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How to implement a queue with three stacks?

...s of you good ideas. EDIT: Explanation example: | | | |3| | | | | | | |_| | | | | | |_____| | | | | | | | | |2| | | | | |_| | | | |_________| | | | | |1| | | |_| | |_____________| I tried here with a little ASCII-art to show Stack1. Every ...
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pretty-print JSON using JavaScript

...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling. function JSONstringify(json) { if (typeof json != 'string') { json = JSON.stringify(json, undefined, '\t'); } var arr = [], _stri...
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Creating a JSON response using Django and Python

...JSON content. import json from django.http import HttpResponse response_data = {} response_data['result'] = 'error' response_data['message'] = 'Some error message' Pre-Django 1.7 you'd return it like this: return HttpResponse(json.dumps(response_data), content_type="application/json") For D...
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How to calculate a time difference in C++

... See std::clock() function. const clock_t begin_time = clock(); // do something std::cout << float( clock () - begin_time ) / CLOCKS_PER_SEC; If you want calculate execution time for self ( not for user ), it is better to do this in clock ticks ( not seco...
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git rebase without changing commit timestamps

...rresponding author dates, you can run: git filter-branch --env-filter 'GIT_COMMITTER_DATE=$GIT_AUTHOR_DATE; export GIT_COMMITTER_DATE' share | improve this answer | follow ...
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How do I print the elements of a C++ vector in GDB?

...td::vector<int> called myVector, do the following: print *(myVector._M_impl._M_start)@myVector.size() To print only the first N elements, do: print *(myVector._M_impl._M_start)@N Explanation This is probably heavily dependent on your compiler version, but for GCC 4.1.2, the pointer to t...
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C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术

...装。1.-----------------------CreateProcess---------------------- PROCESS_INFORMATIO...需求:安装包下载完成后,创建一个子进程自动安装。 1.-----------------------CreateProcess---------------------- PROCESS_INFORMATION pi; STARTUPINFO si; memset( &si, ...
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JavaScript pattern for multiple constructors

... b= 'some default value'; if (typeof(a)==='string') this._constructInSomeWay(a, b); else if (a instanceof MyType) this._constructInSomeOtherWay(a, b); } You can also access arguments as an array-like to get any further arguments passed in. If you need more complex ar...
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How do I change the working directory in Python?

... """Context manager for changing the current working directory""" def __init__(self, newPath): self.newPath = os.path.expanduser(newPath) def __enter__(self): self.savedPath = os.getcwd() os.chdir(self.newPath) def __exit__(self, etype, value, traceback): ...