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How exactly does the callstack work?
...nly on its own stack frame and does not trespass on another's. In another words the POPing is performed to the stack frame on the top (when returning from the function).
The stack in your question is setup by caller foo. When doSomething and doAnotherThing are called, then they setup their own sta...
C dynamically growing array
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edited Jul 2 at 20:01
Swordfish
1
answered Aug 21 '10 at 4:01
casablancacasablanca
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...ely what is happening here (that is, the second dict is being passed as keyword arguments to the dict constructor), it's difficult to read, it's not the intended usage, and so it is not Pythonic.
Here's an example of the usage being remediated in django.
Dictionaries are intended to take hashable ke...
How to debug Lock wait timeout exceeded on MySQL?
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What gives this away is the word transaction. It is evident by the statement that the query was attempting to change at least one row in one or more InnoDB tables.
Since you know the query, all the tables being accessed are candidates for being the cul...
how to draw smooth curve through N points using javascript HTML5 canvas?
...r one iteration becomes a control point for the next iteration.) In other words the two disjointed curves have much more in common now.
This solution was extracted out of the book "Foundation ActionScript 3.0 Animation: Making things move". p.95 - rendering techniques: creating multiple curves.
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Is volatile expensive?
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In the words of the Java Memory Model (as defined for Java 5+ in JSR 133), any operation -- read or write -- on a volatile variable creates a happens-before relationship with respect to any other operation on the same variable. This...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...pecification. I'm sure there must be, I'm just not searching for the right words...
There are a couple of sources however, and I've collected them together, but nothing really complete / comprehensive / understandable / that explains the above problems to me...:
"If a method body has more than ...
Why does one use dependency injection?
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I called it ICanLog, because we work too often with words (nouns) that mean nothing. E.g., what is a Broker? A Manager? Even a Repository is not defined in a unique way. And having all these things as nouns is a typical disease of OO languages (see steve-yegge.blogspot.de/2006...
Eclipse Workspaces: What for and why?
...he Java compiler version (like 1.7, e.g - I don't know if 'version' is the word here), is a workspace-level configuration. If you have several projects inside your workspace, and compile them inside of Eclipse, all of them will be compiled with the same Java compiler.
some settings for Eclipse its...
Why shouldn't all functions be async by default?
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First off, thank you for your kind words. It is indeed an awesome feature and I am glad to have been a small part of it.
If all my code is slowly turning async, why not just make it all async by default?
Well, you're exaggerating; all your code isn't tur...