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Which Python memory profiler is recommended? [closed]
I want to know the memory usage of my Python application and specifically want to know what code blocks/portions or objects are consuming most memory.
Google search shows a commercial one is Python Memory Validator (Windows only).
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What is InputStream & Output Stream? Why and when do we use them?
...whether the stream is a file, a web page, or the screen shouldn't matter. All that matters is that you receive information from the stream (or send information into that stream.)
InputStream is used for many things that you read from.
OutputStream is used for many things that you write to.
Here'...
On duplicate key ignore? [duplicate]
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Would suggest NOT using INSERT IGNORE as it ignores ALL errors (ie its a sloppy global ignore).
Instead, since in your example tag is the unique key, use:
INSERT INTO table_tags (tag) VALUES ('tag_a'),('tab_b'),('tag_c') ON DUPLICATE KEY UPDATE tag=tag;
on duplicate key pro...
Bare asterisk in function arguments?
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Bare * is used to force the caller to use named arguments - so you cannot define a function with * as an argument when you have no following keyword arguments.
See this answer or Python 3 documentation for more details.
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'dragleave' of parent element fires when dragging over children elements
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The only downside to this approach is that it nukes all pointer events on child elements (eg they can no longer have separate :hover styles or click event handlers). In case you want to preserve those events, here's another workaround I've been using: bensmithett.github.io/dra...
C++: What is the size of an object of an empty class?
...can be 1 because alignment doesn't matter here, as there is nothing to actually look at.
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socket.shutdown vs socket.close
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Here's one explanation:
Once a socket is no longer required,
the calling program can discard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it when a close takes
place, the system continues to attempt
da...
String Concatenation using '+' operator
... code:
string x = "hello";
string y = "there";
string z = "chaps";
string all = x + y + z;
actually gets compiled as:
string x = "hello";
string y = "there";
string z = "chaps";
string all = string.Concat(x, y, z);
(Gah - intervening edit removed other bits accidentally.)
The benefit of the C...
Retrieving the inherited attribute names/values using Java Reflection
...bj' which is extended from 'ParentObj'. Now, if it is possible to retrieve all the attribute names and values of ChildObj, including the inherited attributes too, using Java reflection mechanism?
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WPF Blurry fonts issue- Solutions
...ems to make the font heavier
Playing around with these settings didn't really improve the underlying problem, but can help by reducing the color bleeding effect for sensitive users.
Another approach
The best advice the Text Clarity article gave was increasing the font size and changing the font....