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Node.js on multi-core machines
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@Serob_b - well, yes. Running a Node.js app on multiple machines is very common. There's no library needed to do so. You just run your code on multiple machines and distribute load between them. Architecting your software so that it scales (ie, it stores state in s...
Multiprocessing vs Threading Python [duplicate]
...t properly release the GIL will run in parallel
Great option for I/O-bound applications
Cons
cPython - subject to the GIL
Not interruptible/killable
If not following a command queue/message pump model (using the Queue module), then manual use of synchronization primitives become a necessity (dec...
Convert PDF to clean SVG? [closed]
...hs, too. I also find that they often lose the font data, but don't seem to approximate a good, installed font. How does PDF display it if SVG can't?
– DanRedux
Apr 23 '12 at 21:30
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How to convert an xml string to a dictionary?
...lement) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictConfig(element))
# treat like list
elif element[0].tag == element[1].tag:
self.append(XmlListConfig(element))
elif element.text:
te...
Importing from a relative path in Python
... list of paths python looks at to import things):
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common'))
import Common
os.path.dirname(__file__) just gives you the directory that your current python file is in, and then we navigate to 'Common/' the directory and i...
Use a URL to link to a Google map with a marker on it
...s URLs introduces universal cross-platform syntax that you can use in your applications.
Have a look at the following document:
https://developers.google.com/maps/documentation/urls/guide
You can use URLs in search, directions, map and street view modes.
For example, to show the marker at specif...
Automatically resize jQuery UI dialog to the width of the content loaded by ajax
...ation and examples on this. I've got a number of jQuery UI dialogs in my application attached to divs that are loaded with .ajax() calls. They all use the same setup call:
...
How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
...
difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
I'm new to android and I'm trying to understand the difference between getApplication() , getApplicationContext( ), getBaseContext() , getContext() and someClass.this and especially when to use the these methods in the following code lines:
...
What is the difference between Non-Repeatable Read and Phantom Read?
...solation level to be used?
What isolation level you need depends on your application. There is a high cost to a "better" isolation level (such as reduced concurrency).
In your example, you won't have a phantom read, because you select only from a single row (identified by primary key). You can ha...