Questions

Center a DIV horizontally and vertically

Is there a way to but, and that is important, that I have always centered divs with the absolute positioning and negative margins like in the example provided. But it has the problem that it cut...

2 May at 09:26

C# convert int to string with padding zeros?

In C# I have an integer value which need to be convereted to string but it needs to add zeros before: For Example: ``` int i = 1; ``` When I convert it to string it needs to become 0001 I need t...

11 Dec at 08:2

Delete all files and folders in a directory

I want to have a batch file that will delete all the folders and files in my cache folder for my wireless toolkit. Currently I have the following: ``` cd "C:\Users\tbrollo\j2mewtk\2.5.2\appdb\RMS" d...

24 May at 06:43

How to test which port MySQL is running on and whether it can be connected to?

I have installed MySQL and even logged in there as a user. But when I try to connect like this: ``` http://localhost:3306 mysql://localhost:3306 ``` Neither works. Not sure if both are supposed ...

3 May at 01:44

Get a list of URLs from a site

I'm deploying a replacement site for a client but they don't want all their old pages to end in 404s. Keeping the old URL structure wasn't possible because it was hideous. So I'm writing a 404 handle...

14 Apr at 21:10

How to get the first line of a file in a bash script?

I have to put in a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines?

17 Mar at 14:33

Bash ignoring error for a particular command

I am using following options ``` set -o pipefail set -e ``` In bash script to stop execution on error. I have ~100 lines of script executing and I don't want to check return code of every line in t...

4 May at 14:11

Is key-value pair available in Typescript?

Is key,value pair available in typescript? If yes how to do that. Can anyone provide sample example links.

7 Apr at 05:33

JavaScript blob filename without link

How do you set the name of a blob file in JavaScript when force downloading it through `window.location`? ``` function newFile(data) { var json = JSON.stringify(data); var blob = new Blob([jso...

Sort array of objects by one property

How can I sort this array of objects by one of its fields, like `name` or `count`? ``` Array ( [0] => stdClass Object ( [ID] => 1 [name] => Mary Jane [c...

Copy/duplicate database without using mysqldump

Without local access to the server, is there any way to duplicate/clone a MySQL db (with content and without content) into another without using `mysqldump`? I am currently using MySQL 4.0.

21 Dec at 06:40

What is the equivalent of the C++ Pair<L,R> in Java?

Is there a good reason why there is no `Pair<L,R>` in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own. It seems that is providing something simil...

4 Mar at 13:4

How to format decimals in a currency format?

Is there a way to format a decimal as following: ``` 100 -> "100" 100.1 -> "100.10" ``` If it is a round number, omit the decimal part. Otherwise format with two decimal places.

4 Feb at 15:20

How to install trusted CA certificate on Android device?

I have created my own CA certificate and now I want to install it on my Android Froyo device (HTC Desire Z), so that the device trusts my certificate. Android stores CA certificates in its Java keys...

16 Dec at 13:57

Pandas: sum DataFrame rows for given columns

I have the following DataFrame: ``` In [1]: df = pd.DataFrame({'a': [1, 2, 3], 'b': [2, 3, 4], 'c': ['dd', 'ee', 'ff'], 'd': [5, 9, 1]}) df Ou...

28 Apr at 07:19

Use String.split() with multiple delimiters

I need to split a string base on delimiter `-` and `.`. Below are my desired output. `AA.BB-CC-DD.zip` -> ``` AA BB CC DD zip ``` but my following code does not work. ``` private void getId(Str...

15 Apr at 20:24

How can I force div contents to stay in one line with HTML and CSS?

[I have a long text inside a div with defined width](http://jsfiddle.net/NXchy/): HTML: ``` <div>Stack Overflow is the BEST!!!</div> ``` CSS: ``` div { border: 1px solid black; width: 70px; }...

4 Apr at 11:36

What is the "continue" keyword and how does it work in Java?

I saw this keyword for the first time and I was wondering if someone could explain to me what it does. - `continue`- -

18 Sep at 15:10

What is the difference between Bootstrap .container and .container-fluid classes?

Just downloaded 3.1 and found in the docs... > Turn any fixed-width grid layout into a full-width layout by changing your outermost `.container` to `.container-fluid`. Looking in `bootstrap.css`, it a...

Java dynamic array sizes?

I have a class - xClass, that I want to load into an array of xClass so I the declaration: ``` xClass mysclass[] = new xClass[10]; myclass[0] = new xClass(); myclass[9] = new xClass(); ``` However...

3 Mar at 21:46

How to query as GROUP BY in django?

I query a model: ``` Members.objects.all() ``` And it returns: ``` Eric, Salesman, X-Shop Freddie, Manager, X2-Shop Teddy, Salesman, X2-Shop Sean, Manager, X2-Shop ``` What I want is to know the...

24 Mar at 18:34

possible EventEmitter memory leak detected

I am getting following warning: ``` (node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit. Trace: at EventEmitter.<anony...

11 Dec at 04:6

System.BadImageFormatException: Could not load file or assembly

``` C:\Windows\Microsoft.NET\Framework64\v4.0.30319>InstallUtil.exe C:\_PRODUKCIJA\D ebug\DynamicHtmlTool.exe Microsoft (R) .NET Framework Installation utility Version 4.0.30319.1 Copyright (c) Micros...

15 May at 20:39

Why do I keep getting "[eslint] Delete `CR` [prettier/prettier]"?

I am using VS Code with Prettier 1.7.2 and ESLint 1.7.0. After every newline I get: ``` [eslint] Delete `CR` [prettier/prettier] ``` This is the `.eslintrc.json`: ``` { "extends": ["airbnb", "plugi...

What's the fastest way to delete a large folder in Windows?

I want to delete a folder that contains thousands of files and folders. If I use Windows Explorer to delete the folder it can take 10-15 minutes (not always, but often). Is there a faster way in Windo...

10 Aug at 10:17