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Recommended SQL database design for tags or tagging [closed]
...one for the relation between the two), properly indexed, with foreign keys set running on a proper database, should work well and scale properly.
Table: Item
Columns: ItemID, Title, Content
Table: Tag
Columns: TagID, Title
Table: ItemTag
Columns: ItemID, TagID
...
Workflow for statistical analysis and report writing
...an repeat steps 1 & 2 which can take a long time to run for large data sets.
do.R: Calls the functions defined in func.R to perform the analysis and produce charts and tables.
The main motivation for this set up is for working with large data whereby you don't want to have to reload the data e...
When should I use a struct rather than a class in C#?
...mantic imperfections, but because the type semantically represents a fixed set of independent values, and so the mutable struct is both more performant and semantically superior.
– supercat
Mar 6 '13 at 18:18
...
What is the parameter “next” used for in Express?
...get('/users/:userId?', loadUser, function(req, res) {
// if req.user was set, it's because userId was specified (and we found the user).
});
// Pretend there's a "loadItem()" which operates similarly, but with itemId.
app.get('/item/:itemId/addTo/:userId', loadItem, loadUser, function(req, res) {...
Disable JavaScript error in WebBrowser control
...orsOnly(WebBrowser browser)
{
// Ensure that ScriptErrorsSuppressed is set to false.
browser.ScriptErrorsSuppressed = false;
// Handle DocumentCompleted to gain access to the Document object.
browser.DocumentCompleted +=
new WebBrowserDocumentCompletedEventHandler(
...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
... try one of the following if you don't know the specific method your Mysql setup uses:
service mysqld stop
/etc/init.d/mysqld stop
mysqladmin -u root -p shutdown
Some systems aren't setup to have an elegant way to stop mysql (or for some reason mysql doesn't respond) and you can force terminate my...
Detect whether there is an Internet connection available on Android [duplicate]
...ble, this is true. Sometimes (for example, when 'Restrict background data' setting is enabled) isConnected can be false to mean that the interface has no active connection but isAvailable is true to mean the interface is available and you can establish a connection (for example, to transmit foregrou...
Using PUT method in HTML form
...
To set methods PUT and DELETE I perform as following:
<form
method="PUT"
action="domain/route/param?query=value"
>
<input type="hidden" name="delete_id" value="1" />
<input type="hidden" name="put_id" val...
Advantage of switch over if-else statement
...test. You also have more options for how to solve it. You could use std::set, for example:
bool RequiresSpecialEvent(int numError)
{
return specialSet.find(numError) != specialSet.end();
}
I'm not suggesting that this is the best implementation of RequiresSpecialEvent, just that it's an opt...
Which is better, return value or out parameter?
...alue().ToString("g"));
(Indeed, that's one of the problems with property setters as well, and it's why the builder pattern uses methods which return the builder, e.g. myStringBuilder.Append(xxx).Append(yyy).)
Additionally, out parameters are slightly harder to use with reflection and usually make...