Questions

How can I grep recursively, but only in files with certain extensions?

I'm working on a script to [grep](https://en.wikipedia.org/wiki/Grep) certain directories: ``` { grep -r -i CP_Image ~/path1/; grep -r -i CP_Image ~/path2/; grep -r -i CP_Image ~/path3/; grep -r -i CP...

20 Jun at 09:29

How do I terminate a script?

How do I exit a script early, like the `die()` command in PHP?

20 Jun at 06:47

SOAP vs REST (differences)

I have read articles about the differences between SOAP and REST as a web service communication protocol, but I think that the biggest advantages for REST over SOAP are: 1. REST is more dynamic, no...

Recommended way to embed PDF in HTML?

What is the recommended way to embed PDF in HTML? - - - What does Adobe say itself about it? In my case, the PDF is generated on the fly, so it can't be uploaded to a third-party solution prior to...

6 Oct at 12:28

How to get the identity of an inserted row?

How am I supposed to get the `IDENTITY` of an inserted row? I know about `@@IDENTITY` and `IDENT_CURRENT` and `SCOPE_IDENTITY`, but don't understand the implications or impacts attached to each. Can s...

25 Oct at 14:35

How to rebase local branch onto remote master

I have a cloned project from a master branch from remote repository `remote_repo`. I create a new branch and I commit to that branch. Other programmers pushed to `remote_repo` to the master branch. I ...

29 Jul at 15:36

How do I set/unset a cookie with jQuery?

How do I set and unset a cookie using jQuery, for example create a cookie named `test` and set the value to `1`?

1 Jul at 11:21

\d less efficient than [0-9]

I made a comment yesterday on an answer where someone had used `[0123456789]` in a regex rather than `[0-9]` or `\d`. I said it was probably more efficient to use a range or digit specifier than a cha...

24 Aug at 15:32

How do I find the location of my Python site-packages directory?

How do I find the location of my `site-packages` directory?

8 Nov at 10:7

How can I do a line break (line continuation) in Python?

Given: ``` e = 'a' + 'b' + 'c' + 'd' ``` How do I write the above in two lines? ``` e = 'a' + 'b' + 'c' + 'd' ```

9 Apr at 08:53

UTF-8 all the way through

I'm setting up a new server and want to support UTF-8 fully in my web application. I have tried this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1. Wher...

9 Jan at 20:48

What are some examples of commonly used practices for naming git branches?

I've been using a local git repository interacting with my group's CVS repository for several months, now. I've made an almost neurotic number of branches, most of which have thankfully merged back i...

18 Dec at 00:58

GitHub relative link in Markdown file

Is there a way to create a URL anchor, `<a>`, link from within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)? For example, in the ...

How do you use bcrypt for hashing passwords in PHP?

Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules". But what is `bcrypt`? PHP doesn't offer any such functions, Wikipedia babbles about a file-encryption uti...

Display number with leading zeros

How do I display a leading zero for all numbers with less than two digits? ``` 1 → 01 10 → 10 100 → 100 ```

9 Apr at 09:44

How to remove item from array by value?

Is there a method to remove an item from a JavaScript array? Given an array: ``` var ary = ['three', 'seven', 'eleven']; ``` I would like to do something like: ``` removeItem('seven', ary); ``` ...

29 Sep at 12:45

How do I create a constant in Python?

How do I declare a constant in Python? In Java, we do: ``` public static final String CONST_NAME = "Name"; ```

9 Apr at 08:55

How can I merge two commits into one if I already started rebase?

I am trying to merge 2 commits into 1, so I followed [“squashing commits with rebase” from git ready](http://www.gitready.com/advanced/2009/02/10/squashing-commits-with-rebase.html). I ran ``` git r...

19 Apr at 11:31

Can't execute jar- file: "no main manifest attribute"

I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with: > java -jar "app.jar" I get the following message: > no mai...

18 Apr at 11:50

Which characters are valid in CSS class names/selectors?

What characters/symbols are allowed within the class selectors? I know that the following characters are , but what characters are ? ``` ~ ! @ $ % ^ & * ( ) + = , . / ' ; : " ? > < [ ] \ { } | ` # ``...

31 Dec at 01:25

Why do people write #!/usr/bin/env python on the first line of a Python script?

I see these at the top of Python files: ``` #!/usr/bin/env python ``` ``` #!/usr/bin/env python3 ``` It seems to me that the files run the same without that line.

20 Oct at 08:56

How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?

I have a JavaScript widget which provides standard extension points. One of them is the `beforecreate` function. It should return `false` to prevent an item from being created. I've added an Ajax ca...

22 May at 13:4

Get a list from Pandas DataFrame column headers

I want to get a list of the column headers from a Pandas DataFrame. The DataFrame will come from user input, so I won't know how many columns there will be or what they will be called. For example, i...

22 Oct at 12:15

Difference Between Select and SelectMany

I've been searching the difference between `Select` and `SelectMany` but I haven't been able to find a suitable answer. I need to learn the difference when using LINQ To SQL but all I've found are sta...

24 Nov at 23:47

Get the name of an object's type

Is there a equivalent of 's `class.getName()`?

19 Apr at 11:23