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How does “304 Not Modified” work exactly?
...found at a URL. If the resource
representation at that URL ever changes, a new and different ETag is
assigned.
If-None-Match : Allows a 304 Not Modified to be returned if ETag is
unchanged.
the browser store cache with a date(Last-Modified) or id(ETag), when you need to request the URL again, the b...
git reset --hard HEAD leaves untracked files behind
...
Eugene Kaurov
1,4051818 silver badges2828 bronze badges
answered Dec 1 '10 at 18:28
knittlknittl
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How would I create a UIAlertView in Swift?
...ertController is a single class for creating and interacting with what we knew as UIAlertViews and UIActionSheets on iOS 8.
Edit: To handle actions:
alert.addAction(UIAlertAction(title: "OK", style: .Default, handler: { action in
switch action.style{
case .Default:
print("default")...
c# datatable insert column at position 0
...
//Example to define how to do :
DataTable dt = new DataTable();
dt.Columns.Add("ID");
dt.Columns.Add("FirstName");
dt.Columns.Add("LastName");
dt.Columns.Add("Address");
dt.Columns.Add("City");
// The table structure is:
//I...
Removing multiple files from a Git repo that have already been deleted from disk
...looking for -A:
git add -A
this is similar to git add -u, but also adds new files. This is roughly the equivalent of hg's addremove command (although the move detection is automatic).
share
|
im...
AngularJS disable partial caching on dev machine
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Does caching affect production too? What if I push new web files to the server, what prevents subsequent requests from production clients from loading a pre-published cached versions?
– Northstrider
Jun 30 '15 at 22:39
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System.Timers.Timer vs System.Threading.Timer
...understand it, System.Threading.Timer executes the passed-in callback on a new worker thread from ThreadPool. Which, I assume is also why it's not necessarily thread-safe. Kinda makes sense. So, in theory, you wouldn't have to worry about the gruntwork of spinning up your own worker thread, as this ...
Is there a way to iterate over a slice in reverse in Go?
...
I've up-voted just for the fact it brought some new knowledge about defer but I believe using this inside a loop for reverse is quite tricky and should be pretty ineffective memory-wise.
– Alexander Trakhimenok
May 6 '16 at 13:40
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Using arrays or std::vectors in C++, what's the performance gap?
In our C++ course they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests not to use arrays. But are there significant performance differences?
...
How to delete an app from iTunesConnect / App Store Connect
I submitted a brand new app to AppStore and it got rejected by the Lords ... (nothing new there). What I want to do is delete that app completely from my itunesconnect account. I don't know what apple recently changed but in the past once the app was rejected I use to see a "delete" button on the su...