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When is it appropriate to use UDP instead of TCP? [closed]
...P with some reliable delivery hand-shaking that's less overhead than TCP. Read this: http://en.wikipedia.org/wiki/Reliable_User_Datagram_Protocol
UDP is useful for broadcasting information in a publish-subscribe kind of application. IIRC, TIBCO makes heavy use of UDP for notification of state cha...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
...ltimately the error tells you that at the very first position the string already doesn't conform to JSON.
As such, if parsing fails despite having a data-body that looks JSON like at first glance, try replacing the quotes of the data-body:
import sys, json
struct = {}
try:
try: #try parsing to ...
Naming Classes - How to avoid calling everything a “Manager”? [closed]
A long time ago I have read an article (I believe a blog entry) which put me on the "right" track on naming objects: Be very very scrupulous about naming things in your program.
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Android 4.1: How to check notifications are disabled for the application?
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There is nothing in the video showing we can't read this setting. Just to be clear: I just want to be able to read the current state of the check box, not altering it. I am afraid you did not understand my question.
– Guillaume Perrot
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Retrieving the output of subprocess.call() [duplicate]
...n pass subprocess.PIPE for the stderr, stdout, and/or stdin parameters and read from the pipes by using the communicate() method:
from subprocess import Popen, PIPE
p = Popen(['program', 'arg1'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
output, err = p.communicate(b"input data that is passed to subpr...
How does `is_base_of` work?
... This is going to be my favorite answer ever... a question: have you read the whole C++ standard or are you just working in the C++ committee?? Congratulations!
– Marco A.
Feb 2 '14 at 17:58
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How to see log files in MySQL?
I've read that Mysql server creates a log file where it keeps a record of all activities - like when and what queries execute.
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Why can I change value of a constant in javascript
...ray or object you're not re-assigning or re-declaring the constant, it's already declared and assigned, you're just adding to the "list" that the constant points to.
So this works fine:
const x = {};
x.foo = 'bar';
console.log(x); // {foo : 'bar'}
x.foo = 'bar2';
console.log(x); // {foo : 'b...
How to check file MIME type with javascript before upload?
I have read this and this questions which seems to suggest that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server res...
SQL - many-to-many table primary key
This question comes up after reading a comment in this question:
5 Answers
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