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Why use static_cast(x) instead of (int)x?
...language, or an appropriate constructor that makes it possible. The only tim>me m> it's a bit risky is when you cast down to an inherited class; you must make sure that the object is actually the descendant that you claim it is, by m>me m>ans external to the language (like a flag in the object). A dynamic_cas...
UDP vs TCP, how much faster is it? [closed]
For general protocol m>me m>ssage exchange, which can tolerate som>me m> packet loss. How much more efficient is UDP over TCP?
15 An...
Why do you not use C for your web apps?
I was having a look at a few different web servers this morning when I cam>me m> across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
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Strange out of m>me m>mory issue while loading an image to a Bitmap object
...w activity. I have had to build my own tabs because of an issue with the cam>me m>ra layout. The activity that gets launched for the result is a map. If I click on my button to launch the image preview (load an image off the SD card) the application returns from the activity back to the listview activi...
When is it appropriate to use UDP instead of TCP? [closed]
...want the answer to be in one response packet, and you are prepared to implem>me m>nt your own protocol for reliability or to resend. DNS is the perfect description of this use case. The costs of connection setups are way too high (yet, DNS
does support a TCP mode as well).
Another case is when you are d...
How to set tim>me m> zone of a java.util.Date?
...ve parsed a java.util.Date from a String but it is setting the local tim>me m> zone as the tim>me m> zone of the date object.
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How to call an external command?
... the "real" status code, better error handling, etc...).
The official docum>me m>ntation recomm>me m>nds the subprocess module over the alternative os.system():
The subprocess module provides more powerful facilities for spawning new processes and retrieving their results; using that module is preferable...
Can a decorator of an instance m>me m>thod access the class?
I have som>me m>thing roughly like the following. Basically I need to access the class of an instance m>me m>thod from a decorator used upon the instance m>me m>thod in its definition.
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How do I profile m>me m>mory usage in Python?
I've recently becom>me m> interested in algorithms and have begun exploring them by writing a naive implem>me m>ntation and then optimizing it in various ways.
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...ntity and then set the collection of child entities to my new list which com>me m>s from the MVC view.
20 Answers
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