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What GRANT USAGE ON SCHEMA exactly do?
...-- SKIP THIS PART UNTIL POSTGRES JDBC ADDS SCRAM - START ----------//
cd /etc/postgresql/$VERSION/main
sudo cp pg_hba.conf pg_hba.conf_bak
sudo -e pg_hba.conf
# change all `md5` with `scram-sha-256`
# save and exit
//------------ SKIP THIS PART UNTIL POSTGRES JDBC ADDS SCRAM - END -----------//
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Transitioning from Windows Forms to WPF
...just to play devil's advocate: Starting with UI (which buttons, text boxes etc. appear in the window) helps focusing the application on what you want to do. The rest is just implementation details of how you want to do it.
– Asaf
Nov 13 '13 at 16:43
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Different types of thread-safe Sets in Java
...t; and replacing the whole set on each modification.
The implementation sketch:
public abstract class CopyOnWriteSet<E> implements Set<E> {
private final AtomicReference<Set<E>> ref;
protected CopyOnWriteSet( Collection<? extends E> c ) {
ref = new A...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
... the frame bigger, so we'd need to update any width or height constraints, etc..
If you're only using the transform for a temporary animation, then what's above may suffice since I don't believe auto layout will prevent the in-flight animation from presenting images that represent purely transient ...
base64 encoded images in email signatures
I have to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array-based ...
OAuth 2.0: Benefits and use cases — why?
...oint of the OAuth specs is for a content provider (e.g. Facebook, Twitter, etc.) to assure a server (e.g. a Web app that wishes to talk to the content provider on behalf of the client) that the client has some identity. What three-legged authentication offers is the ability to do that without the cl...
How does the compilation/linking process work?
...nd I have deliberately not used the jargon of object files, symbol tables, etc. which to me is part of the confusion.
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What does “Memory allocated at compile time” really mean?
...g equivalent to "reserve memory from 0xABC till 0xXYZ for variable array[] etc." and then the loader uses that to really allocate it just before it runs the program ?
– Talha Sayed
Jan 25 '14 at 12:41
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How do function pointers in C work?
...multiple versions of some functions to take advantage of SSE, popcnt, AVX, etc. At startup, set your function pointers to the best version of each function for the current CPU. In your other code, just call through the function pointer instead of having conditional branches on the CPU features eve...