Questions

Reading a text file and splitting it into single words in python

I have this text file made up of numbers and words, for example like this - `09807754 18 n 03 aristocrat 0 blue_blood 0 patrician` and I want to split it so that each word or number will come up as a ...

1 Jul at 21:17

java.text.ParseException: Unparseable date

I am getting a parsing exception while I am trying the following code: ``` String date="Sat Jun 01 12:53:10 IST 2013"; SimpleDateFormat sdf=new SimpleDateFormat("MMM d, yyyy HH:mm:ss"); Date ...

20 Mar at 07:23

Why does writeObject throw java.io.NotSerializableException and how do I fix it?

I have this exception and I don't understand why it would be thrown or, how I should handle it. ``` try { os.writeObject(element); } catch (IOException e) { e.printStackTrace(); } ``` Wher...

How to use `subprocess` command with pipes

I want to use `subprocess.check_output()` with `ps -A | grep 'process_name'`. I tried various solutions but so far nothing worked. Can someone guide me how to do it?

7 Jan at 21:53

AngularJs: How to check for changes in file input fields?

I am new to angular. I am trying to read the uploaded file path from HTML 'file' field whenever a 'change' happens on this field. If i use 'onChange' it works but when i use it angular way using 'ng-c...

29 Jul at 11:52

SQL query to check if a name begins and ends with a vowel

I want to query the list of `CITY` names from the table `STATION(id, city, longitude, latitude)` which have vowels as both their first and last characters. The result cannot contain duplicates. For t...

10 Apr at 20:54

Understanding checked vs unchecked exceptions in Java

Joshua Bloch in "" said that > Use checked exceptions for recoverable conditions and runtime exceptions for programming errors (Item 58 in 2nd edition) Let's see if I understand this correctl...

How to Create a circular progressbar in Android which rotates on it?

I am trying to create a rounded progressbar. This is what I want to achieve There is a grey color background ring. On top of it, a blue color progressbar appears which moves in a circular path from ...

NodeJS / Express: what is "app.use"?

In the [docs for the NodeJS express module](http://expressjs.com/guide.html), the example code has `app.use(...)`. What is the `use` function and where is it defined?

21 Oct at 11:23

How can I list (ls) the 5 last modified files in a directory?

I know `ls -t` will list all files by modified time. But how can I limit these results to only the last files?

28 Mar at 20:17

What's the easiest way to install a missing Perl module?

I get this error: `Can't locate Foo.pm in @INC` Is there an easier way to install it than downloading, untarring, making, etc?

11 May at 00:47

Add a CSS border on hover without moving the element

I have a row that I am applying a background highlight to on hover. ``` .jobs .item:hover { background: #e1e1e1; border-top: 1px solid #d0d0d0; } ``` However, as the border adds 1px to th...

25 Feb at 10:25

How to get Latitude and Longitude of the mobile device in android?

How do I get the current Latitude and Longitude of the mobile device in android using location tools?

31 Aug at 17:58

How to do a Jquery Callback after form submit?

I have a simple form with remote=true. This form is actually on an HTML Dialog, which gets closed as soon as the Submit button is clicked. Now I need to make some changes on the main HTML page afte...

Combining multiple commits before pushing in Git

I have a bunch of commits on my local repository which are thematically similar. I'd like to combine them into a single commit before pushing up to a remote. How do I do it? I think `rebase` does this...

6 Jun at 08:9

Docker - Bind for 0.0.0.0:4000 failed: port is already allocated

I am using docker for the first time and I was trying to implement this - [https://docs.docker.com/get-started/part2/#tag-the-image](https://docs.docker.com/get-started/part2/#tag-the-image) At one st...

4 Jan at 08:12

How do I use reflection to call a generic method?

What's the best way to call a generic method when the type parameter isn't known at compile time, but instead is obtained dynamically at runtime? Consider the following sample code - inside the `Exam...

11 Dec at 12:22

jquery to change style attribute of a div class

I have a slider class like this and I wan to change the style attribute ``` <div id="range-cont"> <div class="slider"> <div class="progress" style="width: 350px;"></div> <a class="handle" href="...

25 Oct at 05:28

Set selected radio from radio group with a value

Why am I struggling with this? I have a value: 5 How do I check the radio button of group "mygroup" with the value of 5? ``` $("input[name=mygroup]").val(5); // doesn't work? ```

1 Mar at 10:57

Angular - Use pipes in services and components

In AngularJS, I am able to use filters (pipes) inside of services and controllers using syntax similar to this: ``` $filter('date')(myDate, 'yyyy-MM-dd'); ``` Is it possible to use pipes in service...

20 Dec at 09:11

SQL keys, MUL vs PRI vs UNI

What is the difference between `MUL`, `PRI` and `UNI` in MySQL? I'm working on a MySQL query, using the command: ``` desc mytable; ``` One of the fields is shown as being a `MUL` key, others show ...

5 Sep at 08:35

How to insert text in a td with id, using JavaScript

I know it may be a simple thing, but I can't figure out. I am trying to insert some text coming from a JavaScript function onload event into a td. ``` <html> <head> <script type="text/javascript">...

23 Jul at 15:32

How to activate JMX on my JVM for access with jconsole?

How to activate JMX on a JVM for access with jconsole?

13 May at 09:2

Add Favicon to Website

> [HTML Title Image](https://stackoverflow.com/questions/3103490/html-title-image) Can someone please tell me how to make icons appear on browser tabs in PHP? I want my icon to appear on the...

23 May at 11:55

Lazy Method for Reading Big File in Python?

I have a very big file 4GB and when I try to read it my computer hangs. So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next pi...

6 Feb at 09:25