Questions

How do I translate an ISO 8601 datetime string into a Python datetime object?

I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using `time.strptime` and passing the first six e...

Java Class that implements Map and keeps insertion order?

I'm looking for a class in java that has key-value association, but without using hashes. Here is what I'm currently doing: 1. Add values to a Hashtable. 2. Get an iterator for the Hashtable.entryS...

3 Nov at 20:25

How to associate a file extension with a certain language in VS Code

Or is there a way to switch the current file's language so that the syntax is highlighted correctly? For example, `*.jsx` is actually JavaScript but VS Code doesn't recognize it.

8 Feb at 17:40

What does `void 0` mean?

Reading through the Backbone.js source code, I saw this: ``` validObj[attr] = void 0; ``` What is `void 0`? What is the purpose of using it here?

2 Feb at 13:32

What's the difference between text/xml vs application/xml for webservice response

This is more of a general question about the difference between `text/xml` and `application/xml`. I am fairly new to writing webservices (REST - Jersey). I have been producing `application/xml` since ...

28 Jan at 19:40

Difference between a View's Padding and Margin

What is the difference between a View's Margin and Padding?

Associating enums with strings in C#

I know the following is not possible because the Enumeration's type has to be an int ``` enum GroupTypes { TheGroup = "OEM", TheOtherGroup = "CMB" } ``` From my database I get a field with ...

19 Sep at 03:15

What does "yield break;" do in C#?

I have seen this syntax in MSDN: [yield break](https://msdn.microsoft.com/en-us/library/9k7k7cf0.aspx), but I don't know what it does. Does anyone know?

2 Jul at 00:9

How to commit a change with both "message" and "description" from the command line?

I can push commits to GitHub via `git` (on the command line, not the Mac app). When I push commits directly from the GitHub web interface (e.g. quickly fixing a typo), I have the chance to "comment" t...

29 Dec at 00:26

Applying .gitignore to committed files

I have committed loads of files that I now want to ignore. How can I tell git to now ignore these files from future commits? EDIT: I do want to remove them from the repository too. They are files cr...

23 Sep at 11:9

How to remove the last character from a string?

I want to remove the last character from a string. I've tried doing this: ``` public String method(String str) { if (str.charAt(str.length()-1)=='x'){ str = str.replace(str.substring(str....

21 Aug at 07:17

Delete with Join in MySQL

Here is the script to create my tables: ``` CREATE TABLE clients ( client_i INT(11), PRIMARY KEY (client_id) ); CREATE TABLE projects ( project_id INT(11) UNSIGNED, client_id INT(11) UNS...

26 Oct at 14:7

Set up a scheduled job?

I've been working on a web app using Django, and I'm curious if there is a way to schedule a job to run periodically. Basically I just want to run through the database and make some calculations/upd...

Link and execute external JavaScript file hosted on GitHub

When I try to change the linked reference of a local JavaScript file to a GitHub raw version my test file stops working. The error is: > Refused to execute script from ... because its MIME type (`te...

10 Nov at 09:13

How does autowiring work in Spring?

I'm a little confused as to how the [inversion of control](http://en.wikipedia.org/wiki/Inversion_of_control) (`IoC`) works in `Spring`. `UserServiceImpl``UserService` How would this be `@Autowired`...

Can I escape a double quote in a verbatim string literal?

In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?...

Best practice for using assert?

1. Is there a performance or code maintenance issue with using assert as part of the standard code instead of using it just for debugging purposes? Is assert x >= 0, 'x is less than zero' better or ...

25 Oct at 18:54

String.equals versus ==

This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working? ``` public static void main(String...aArgum...

3 Sep at 20:44

Calculate text width with JavaScript

I'd like to use JavaScript to calculate the width of a string. Is this possible without having to use a monospace typeface? If it's not built-in, my only idea is to create a table of widths for each ...

3 Feb at 13:31

how to sort pandas dataframe from one column

I have a data frame like this: ``` print(df) 0 1 2 0 354.7 April 4.0 1 55.4 August 8.0 2 176.5 December 12.0 3 95.5 February 2.0 4 85.6 Janu...

5 Feb at 14:21

Split string every nth character?

Is it possible to split a string every nth character? For example, suppose I have a string containing the following: ``` '1234567890' ``` How can I get it to look like this: ``` ['12','34','56','78',...

2 Oct at 01:4

ExpressJS How to structure an application?

I'm using the ExpressJS web framework for NodeJS. People using ExpressJS put their environments (development, production, test...), their routes etc on the `app.js`. I think that it's not a beautiful...

1 May at 16:51

Height equal to dynamic width (CSS fluid layout)

Is it possible to set same height as width (ratio 1:1)? ``` +----------+ | body | | 1:3 | | | | +------+ | | | div | | | | 1:1 | | | +------+ | | | | | | ...

How to sparsely checkout only one single file from a git repository?

How do I checkout just one file from a git repo?

14 Nov at 17:19

How do I execute a command and get the output of the command within C++ using POSIX?

I am looking for a way to get the output of a command when it is run from within a C++ program. I have looked at using the `system()` function, but that will just execute a command. Here's an example...

10 Nov at 16:43