Questions

What does <meta http-equiv="X-UA-Compatible" content="IE=edge"> do?

What's the difference if one web page starts with ``` <!DOCTYPE html> <html> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge"> ``` and If page starts with ``` <!DOCTYPE html> ...

What is the best IDE for PHP?

I'm a PHP developer and now I use [Notepad++](http://en.wikipedia.org/wiki/Notepad_%28software%29) for code editing, but lately I've been searching for an IDE to ease my work. I've looked into [Eclip...

3 Jun at 11:53

Shell: How to call one shell script from another shell script?

I have two shell scripts, `a.sh` and `b.sh`. How can I call `b.sh` from within the shell script `a.sh`?

22 Oct at 12:51

Sorting an array of objects by property values

I've got the following objects using AJAX and stored them in an array: ``` var homes = [ { "h_id": "3", "city": "Dallas", "state": "TX", "zip": "75201", "p...

21 Nov at 16:17

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 to get the position of a character in Python?

How can I get the position of a character inside a string in Python?

28 Nov at 18:59

How can I fix 'android.os.NetworkOnMainThreadException'?

I got an error while running my Android project for RssReader. Code: ``` URL url = new URL(urlToRssFeed); SAXParserFactory factory = SAXParserFactory.newInstance(); SAXParser parser = factory.newSA...

Conversion failed when converting date and/or time from character string while inserting datetime

I was trying to create a table as follows, ``` create table table1(date1 datetime,date2 datetime); ``` First I tried inserting values as below, ``` insert into table1 values('21-02-2012 6:10:00 PM...

2 Jan at 08:52

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

How can I remove a character from a string using JavaScript?

I am so close to getting this, but it just isn't right. All I would like to do is remove the character `r` from a string. The problem is, there is more than one instance of `r` in the string. However,...

11 Dec at 07:58

Regex that accepts only numbers (0-9) and NO characters

I need a regex that will accept only digits from 0-9 and nothing else. No letters, no characters. I thought this would work: ``` ^[0-9] ``` or even ``` \d+ ``` but these are accepting the char...

31 Oct at 19:55

How to download a file over HTTP?

I have a small utility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes. The text processing that creates/updates ...

25 Feb at 21:56

Remove credentials from Git

I'm working with several repositories, but lately I was just working in our internal one and all was great. Today I had to commit and push code into other one, but I'm having some troubles. ``` $ gi...

18 Jul at 11:59

Can't bind to 'ngModel' since it isn't a known property of 'input'

I have this simple input in my component which uses `[(ngModel)]` : ``` <input type="text" [(ngModel)]="test" placeholder="foo" /> ``` And I get the following error when I launch my app, even if the ...

25 Apr at 04:43

TypeError: Missing 1 required positional argument: 'self'

I have some code like: ``` class Pump: def __init__(self): print("init") def getPumps(self): pass p = Pump.getPumps() print(p) ``` But I get an error like: ``` Traceback...

Define a global variable in a JavaScript function

Is it possible to define a global variable in a JavaScript function? I want use the `trailimage` variable (declared in the `makeObj` function) in other functions. ``` <html xmlns="http://www.w3.org/19...

Find the min/max element of an array in JavaScript

How can I easily obtain the min or max element of a JavaScript array? Example pseudocode: ``` let array = [100, 0, 50] array.min() //=> 0 array.max() //=> 100 ```

18 Feb at 11:40

How do I check if directory exists in Python?

How do I check if a directory exists?

9 Apr at 07:49

Find a value in an array of objects in Javascript

I know similar questions have been asked before, but this one is a little different. I have an array of unnamed objects, which contain an array of named objects, and I need to get the object where "na...

15 Feb at 21:53

How can I check if a string is a valid number?

I'm hoping there's something in the same conceptual space as the old VB6 `IsNumeric()` function?

24 Nov at 13:18

How to check if an array is empty or exists?

When the page is loading for the first time, I need to check if there is an image in `image_array` and load the last image. Otherwise, I disable the preview buttons, alert the user to push new image ...

20 Oct at 12:42

How do you clear the SQL Server transaction log?

I'm not a SQL expert, and I'm reminded of the fact every time I need to do something beyond the basics. I have a test database that is not large in size, but the transaction log definitely is. How do ...

17 Aug at 18:57

Rename column SQL Server 2008

I am using SQL Server 2008 and Navicat. I need to rename a column in a table using SQL. ``` ALTER TABLE table_name RENAME COLUMN old_name to new_name; ``` This statement doesn't work.

Is there a way to get the source code from an APK file?

The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months. All I have is the APK file that is stored in my email from when ...

Why is it string.join(list) instead of list.join(string)?

This has always confused me. It seems like this would be nicer: ``` ["Hello", "world"].join("-") ``` Than this: ``` "-".join(["Hello", "world"]) ``` Is there a specific reason it is like this?

1 Apr at 02:51