Questions

How do I remove all non alphanumeric characters from a string except dash?

How do I remove all non alphanumeric characters from a string except dash and space characters?

29 Sep at 21:30

How do I convert an enum to a list in C#?

Is there a way to convert an `enum` to a list that contains all the enum's options?

19 Nov at 23:45

Find and Replace Inside a Text File from a Bash Command

What's the simplest way to do a find and replace for a given input string, say `abc`, and replace with another string, say `XYZ` in file `/tmp/file.txt`? I am writting an app and using IronPython to ...

15 Jan at 11:47

Convert string to Title Case with JavaScript

Is there a simple way to convert a string to Title Case? E.g. `john smith` becomes `John Smith`. I'm not looking for something complicated like [John Resig's solution](http://ejohn.org/blog/title-capi...

7 Apr at 14:42

Encrypt and decrypt a string in C#?

How can I encrypt and decrypt a string in C#?

20 Mar at 08:46

How can I obfuscate (protect) JavaScript?

I want to make a JavaScript application that's not open source, and thus I wish to learn how to can obfuscate my JS code? Is this possible?

Change navbar color in Twitter Bootstrap

How would I go about modifying the CSS to change the color of the navbar in Twitter Bootstrap?

Search a list of dictionaries in Python

Given: ``` [ {"name": "Tom", "age": 10}, {"name": "Mark", "age": 5}, {"name": "Pam", "age": 7} ] ``` How do I search by `name == "Pam"` to retrieve the corresponding dictionary below? ``` {"nam...

28 Feb at 07:4

Updating a local repository with changes from a GitHub repository

I've got a project checked locally from GitHub, and that remote repository has since had changes made to it. What's the correct command to update my local copy with the latest changes?

9 Apr at 00:2

Implementing INotifyPropertyChanged - does a better way exist?

Microsoft should have implemented something snappy for `INotifyPropertyChanged`, like in the automatic properties, just specify `{get; set; notify;}` I think it makes a lot of sense to do it. Or are t...

Why is my Spring @Autowired field null?

I have a Spring `@Service` class (`MileageFeeCalculator`) that has an `@Autowired` field (`rateService`), but the field is `null` when I try to use it. The logs show that both the `MileageFeeCalcula...

zsh compinit: insecure directories

What does it mean and how can I fix it? ``` zsh compinit: insecure directories, run compaudit for list. Ignore insecure directories and continue [y] or abort compinit [n]? ``` Running the `compaudi...

7 May at 12:2

What is the Python equivalent for a case/switch statement?

Is there a Python equivalent for the `switch` statement?

11 May at 20:8

Detect whether there is an Internet connection available on Android

> [How to check internet access on Android? InetAddress never timeouts](https://stackoverflow.com/questions/1560788/how-to-check-internet-access-on-android-inetaddress-never-timeouts) I need to dete...

How to get a subset of a javascript object's properties

Say I have an object: ``` elmo = { color: 'red', annoying: true, height: 'unknown', meta: { one: '1', two: '2'} }; ``` I want to make a new object with a subset of its properties. ``` // ...

14 Apr at 09:49

How do I update Node.js?

I did the following to update my npm: ``` npm update npm -g ``` But I have no idea how to update Node.js. Any suggestions? (I'm using Node.js 0.4.1 and want to update to Node.js 0.6.1.)

8 Nov at 20:57

How to upload a file in Django?

What is the minimal example code needed for a "hello world" app using Django 1.3, that ?

10 Jan at 00:9

How would I run an async Task<T> method synchronously?

I am learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that? Async method: ``` public async Task<Customers> GetCustomers() { ret...

28 Sep at 21:50

How do I remove all .pyc files from a project?

I've renamed some files in a fairly large project and want to remove the .pyc files they've left behind. I tried the bash script: ``` rm -r *.pyc ``` But that doesn't recurse through the folders as...

2 Apr at 02:28

What does the C++ standard state the size of int, long type to be?

I'm looking for detailed information regarding the size of basic C++ types. I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler. But are there any standards for C+...

6 May at 18:9

What is the best way to remove accents (normalize) in a Python unicode string?

I have a Unicode string in Python, and I would like to remove all the accents (diacritics). I found on the web an elegant way to do this (in Java): 1. convert the Unicode string to its long normalize...

How can I remove the first line of a text file using bash/sed script?

I need to repeatedly remove the first line from a huge text file using a bash script. Right now I am using `sed -i -e "1d" $FILE` - but it takes around a minute to do the deletion. Is there a more e...

15 Sep at 01:18

jQuery to loop through elements with the same class

I have a load of divs with the class `testimonial` and I want to use jquery to loop through them to check for each div if a specific condition is true. If it is true, it should perform an action. Doe...

21 Dec at 12:49

Do I use <img>, <object>, or <embed> for SVG files?

Should I use `<img>`, `<object>`, or `<embed>` for loading SVG files into a page in a way similar to loading a `jpg`, `gif` or `png`? What is the code for each to ensure it works as well as possible?...

10 Sep at 16:5

Check if pull needed in Git

How do I check whether the remote repository has changed and I need to pull? Now I use this simple script: ``` git pull --dry-run | grep -q -v 'Already up-to-date.' && changed=1 ``` But it is rath...

10 Nov at 16:8