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What is RSS and VSZ in Linux memory management
...ich has been allocated for normal program startup like text area, globals, etc.
on the second print, we have written to 8388608 KiB == 8GiB worth of pages. As a result, RSS increased by exactly 8GIB to 8390256 KiB == 8388608 KiB + 1648 KiB
RSS continues to increase in 8GiB increments. The last print...
Reference: Comparing PHP's print and echo
...ctual opcodes it makes sense:
line # * op fetch ext return operands
---------------------------------------------------------------------------------
3 0 > PRINT ~0 7
1 PRINT ...
Which is more preferable to use: lambda functions or nested functions ('def')?
..."very rare", it is common for key functions to sorted or itertools.groupby etc., e.g. sorted(['a1', 'b0'], key= lambda x: int(x[1]))
– Chris_Rands
Apr 9 '18 at 12:09
add a com...
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 -----------//
...
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
...
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).
...
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...