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How to use the 'main' parameter in package.json?
...mary entry point to your
program. That is, if your package is named foo, and a user installs
it, and then does require("foo"), then your main module's exports
object will be returned.
This should be a module ID relative to the root of your package
folder.
For most modules, it makes...
Should I commit or rollback a read transaction?
...tion, you should close it. Committing releases any locks you may have had, and is equally sensible with ReadUncommitted or Serializable isolation levels. Relying on implicit rollback - while perhaps technically equivalent - is just poor form.
If that hasn't convinced you, just imagine the next guy ...
Relative URL to a different port number in a hyperlink?
...
It would be nice if this could work, and I don't see why not because : is a reserved character for port separation inside the URI component, so the browser could realistically interpret this as a port relative to this URL, but unfortunately it doesn't and there'...
Xcode Debugger: view value of variable
... answered Jan 19 '11 at 15:15
AndriyAndriy
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...
moveCamera with CameraUpdateFactory.newLatLngBounds crashes
I'm making use of the new Android Google Maps API .
20 Answers
20
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iPhone Simulator location
...
As of Xcode 6 and iOS 8 you’ll find it here:
~/Library/Developer/CoreSimulator/Devices/{cryptic number}/data/Containers/Data/Application/{cryptic number}/
or you can get it from below code execution:
NSLog(@"Documents Directory: %@"...
How do you create a transparent demo screen for an Android app?
...
Put your demo info in a different activity and give it the following theme.
<style name="Transparent" parent="@android:style/Theme.NoTitleBar">
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowIsTranslucent...
How do I measure the execution time of JavaScript code with callbacks?
...
Use the Node.js console.time() and console.timeEnd():
var i;
console.time("dbsave");
for(i = 1; i < LIMIT; i++){
db.users.save({id : i, name : "MongoUser [" + i + "]"}, end);
}
end = function(err, saved) {
console.log(( err || !saved )?"Error...
jQuery pitfalls to avoid [closed]
...
Being unaware of the performance hit and overusing selectors instead of assigning them to local variables. For example:-
$('#button').click(function() {
$('#label').method();
$('#label').method2();
$('#label').css('background-color', 'red');
});
R...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
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If you're using SQL Server 2005, you could use the FOR XML PATH command.
SELECT [VehicleID]
, [Name]
, (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX))
FROM [Location]
WHERE (VehicleID = Vehicle.VehicleID)
FOR XML PATH ('')), 1, 2, '')) AS Locations
...