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How do I ZIP a file in C#, using no 3rd-party APIs?
.... We use a file extension to associate the download file with our desktop app. One small problem we ran into was that its not possible to just use a third-party tool like 7-zip to create the zip files because the client side code can't open it -- ZipPackage adds a hidden file describing the conten...
How to secure database passwords in PHP?
When a PHP application makes a database connection it of course generally needs to pass a login and password. If I'm using a single, minimum-permission login for my application, then the PHP needs to know that login and password somewhere. What is the best way to secure that password? It seems like ...
What is the most efficient way to store tags in a database?
...le
Table: Items_Tags
Columns: Item_ID, Tag_ID
It might be that your web app is very very popular and need de-normalizing down the road, but it's pointless muddying the waters too early.
share
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i...
Enable Vim Syntax Highlighting By Default
...m scratch. Instead, pickup the example vimrc from the following location: /Applications/MacVim.app/Contents/Resources/vim/runtime/vimrc_example.vim. Copy this file to your $HOME as .vimrc. It switches on a lot of basic stuff for you automatically (syntax, search highlighting, backup etc). You can th...
Hex representation of a color with alpha channel?
... use this syntax. See Chromium Issue 618472 and Webkit bug 150853.
Android Apps that target Android P or newer can use this syntax
Opera supports this syntax in Opera 52 (or Opera 39 when experimental web features are enabled).
IE 11 and EdgeHTML 18 (Edge 44) do not support this syntax. Chromium-bas...
How can I check if a key is pressed during the click event with jQuery?
... keyup event is not detected by the browser because it occurred on another application. From that point, jquery thinks the key is down, until they keyup within your jquery app. This only matters with the ALT key, as far as I can imagine.
– Flat Cat
Sep 25 '14...
How is AngularJS different from jQuery
...ly focus on DOM elements and no Data CRUD, like building a website not web application, jQuery is the one of the top tools. (You can use AngularJS for this purpose as well.)
AngularJS is a framework. It has following features
Two way data binding
MVW pattern (MVC-ish)
Template
Custom-directive (...
How to make Entity Framework Data Context Readonly
...s MyReadOnlyContext : DbContext
{
// Use ReadOnlyConnectionString from App/Web.config
public MyContext()
: base("Name=ReadOnlyConnectionString")
{
}
// Don't expose Add(), Remove(), etc.
public DbQuery<Customer> Customers
{
get
{
...
Hide keyboard when scroll UITableView
In my app i want hide keyboard when i start scrolling UITableView. I search about this in internet, and most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
...
How do you determine the ideal buffer size when using FileInputStream?
...ges with every CPU type).
This leads to the 'real world' answer: If your app is like 99% out there, set the cache size to 8192 and move on (even better, choose encapsulation over performance and use BufferedInputStream to hide the details). If you are in the 1% of apps that are highly dependent o...