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python - How to expire session due to inactivity in Django?

Our Django application has the following session management requirements. Sessions expire when the user closes the ... be highly appreciated. See Question&Answers more detail:os...

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Proper way to initialize a C# dictionary with values

I am creating a dictionary in a C# file with the following code: private readonly Dictionary<string, XlFileFormat> ... using .NET version 2. See Question&Answers more detail:os...

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shell - How to check if a file contains a specific string using Bash

I want to check if a file contains a specific string or not in bash. I used this script, but it doesn't work: ... fi What's wrong in my code? See Question&Answers more detail:os...

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sql - Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL

I want to extract just the date part from a timestamp in PostgreSQL. I need it to be a postgresql DATE ... ) from a timestamp in PostgreSQL? See Question&Answers more detail:os...

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How can I create a Makefile for C projects with SRC, OBJ, and BIN subdirectories?

A few months ago, I came up with the following generic Makefile for school assignments: # ------------ ... $(TARGET) @echo "Executable removed!" See Question&Answers more detail:os...

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Compile a DLL in C/C++, then call it from another program

I want to make a simple, simple DLL which exports one or two functions, then try to call it from another program ... , it looked like, -3048. See Question&Answers more detail:os...

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git - gitignore binary files that have no extension

How can binary files be ignored in git using the .gitignore file? Example: $ g++ hello.c -o hello The " ... file. Can git ignore this file ? See Question&Answers more detail:os...

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javascript - Center Google Maps (V3) on browser resize (responsive)

I have a Google Maps (V3) in my page at 100% page width with one marker in the middle. When I resize my ... ) { map.setCenter(center); }); See Question&Answers more detail:os...

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java - Difference between @Bean and @Autowired

Why can't I use @Autowired in this case? @SpringBootApplication public class Application { @Autowired BookingService ... the same thing? See Question&Answers more detail:os...

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c++ - std::auto_ptr to std::unique_ptr

With the new standard coming (and parts already available in some compilers), the new type std::unique_ptr is ... improve the std::auto_ptr? See Question&Answers more detail:os...

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spring - What does java:comp/env/ do?

I just spent too much time of my day trying to figure out some errors when hooking up some JNDI factory bean. ... not bound in this Context". See Question&Answers more detail:os...

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ios - iBeacon Notification when the app is not running

I managed to make an iBeacon which triggers a local push notification on my iPhone when the beacon is in range ... I accomplish this? Thanks! See Question&Answers more detail:os...

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Representing graphs (data structure) in Python

How can one neatly represent a graph in Python? (Starting from scratch i.e. no libraries!) What data ... question has quite good answers. See Question&Answers more detail:os...

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php - Understanding IoC Containers and Dependency Injection

My understanding: A dependency is when an instance of ClassA requires an instance of ClassB to instantiate a new ... read it and understand it. See Question&Answers more detail:os...

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database schema - How to get all columns' names for all the tables in MySQL?

Is there a fast way of getting all column names from all tables in MySQL, without having to list all the tables? See Question&Answers more detail:os...

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definition - In CUDA, what is memory coalescing, and how is it achieved?

What is "coalesced" in CUDA global memory transaction? I couldn't understand even after going through my CUDA ... Which is correct and why? See Question&Answers more detail:os...

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javascript - What are "decorators" and how are they used?

I'm curious what exactly decorators are in AngularJS. There isn't much information online for decorators save for a ... habits I've picked up. See Question&Answers more detail:os...

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objective c - How to check if an NSDictionary or NSMutableDictionary contains a key?

I need to check if an dict has a key or not. How? See Question&Answers more detail:os...

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c# - How does Task<int> become an int?

We have this method: async Task<int> AccessTheWebAsync() { HttpClient client = new HttpClient(); Task<string> ... is it implemented to work? See Question&Answers more detail:os...

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ruby - When should I use Struct vs. OpenStruct?

In general, what are the advantages and disadvantages of using an OpenStruct as compared to a Struct? What type of ... would fit each of these? See Question&Answers more detail:os...

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python - Using (Ana)conda within PyCharm

I've got Pycharm 4 running on my Linux (Ubuntu 14.04) machine. In addition to the system python, I've ... 's features to their fullest extent? See Question&Answers more detail:os...

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Node.js throws "btoa is not defined" error

In my node.js application I did an npm install btoa-atob so that I could use the btoa() and atob() ... install properly? What did I overlook? See Question&Answers more detail:os...

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php - ALTER TABLE in Magento setup script without using SQL

Jonathon Day says "updates SHOULD NOT be in the form of SQL commands". I haven't come across any DDL or DML ... can only be done in SQL? See Question&Answers more detail:os...

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r - How can I remove an element from a list?

I have a list and I want to remove a single element from it. How can I do this? I've tried looking ... and I haven't found anything appropriate. See Question&Answers more detail:os...

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python - What is the difference between json.load() and json.loads() functions

In Python, what is the difference between json.load() and json.loads()? I guess that the load() function must ... Thanks a lot for your answers! See Question&Answers more detail:os...

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Mapping over values in a python dictionary

Given a dictionary { k1: v1, k2: v2 ... } I want to get { k1: f(v1), k2: f(v2) ... } ... original dictionary is mutated or a copy is created. See Question&Answers more detail:os...

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haskell - Zipper Comonads, Generically

Given any container type we can form the (element-focused) Zipper and know that this structure is a Comonad. ... Is this instance even possible? See Question&Answers more detail:os...

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html - Prevent "overscrolling" of web page

In Chrome for Mac, one can "overscroll" a page (for lack of a better word), as shown in the screenshot ... which I can control "overscrolling"? See Question&Answers more detail:os...

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