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Constantly print Subprocess output while process is running
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You can use iter to process lines as soon as the command outputs them: lines = iter(fd.readline, ""). Here's a full example showing a typical use case (thanks to @jfs for helping out):
from __future__ import print_function # Only Python...
Check if two unordered lists are equal [duplicate]
...omparison will be unordered.
set(x) == set(y)
Documentation on set
EDIT: @mdwhatcott points out that you want to check for duplicates. set ignores these, so you need a similar data structure that also keeps track of the number of items in each list. This is called a multiset; the best approxim...
Declaring abstract method in TypeScript
...t, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstract class Animal {
constructor(protected name: string) { }
abstract makeSound(input : string) : string;
move(meters) {
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javascript: pause setTimeout();
...follow
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edited Nov 11 '19 at 10:36
answered Oct 19 '10 at 15:02
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Loading and parsing a JSON file with multiple JSON objects
...t file. You need to parse your file line by line:
import json
data = []
with open('file') as f:
for line in f:
data.append(json.loads(line))
Each line contains valid JSON, but as a whole, it is not a valid JSON value as there is no top-level list or object definition.
Note that beca...
Paging with Oracle
I am not as familiar with Oracle as I would like to be. I have some 250k records, and I want to display them 100 per page. Currently I have one stored procedure which retrieves all quarter of a million records to a dataset using a data adapter, and dataset, and the dataadapter.Fill(dataset) method...
How do I use reflection to invoke a private method?
...s BindingFlags:
MethodInfo dynMethod = this.GetType().GetMethod("Draw_" + itemType,
BindingFlags.NonPublic | BindingFlags.Instance);
dynMethod.Invoke(this, new object[] { methodParams });
Here's the BindingFlags enumeration documentation.
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How do I check if a string is unicode or ascii?
... print "not a string"
This does not distinguish "Unicode or ASCII"; it only distinguishes Python types. A Unicode string may consist of purely characters in the ASCII range, and a bytestring may contain ASCII, encoded Unicode, or even non-textual data.
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...ers are basically a subclass of dict, so you can still do everything else with them you'd normally do with that type, such as iterate over their keys and values.
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improve this answer
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
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It looks like you are passing an NSString parameter where you should be passing an NSData parameter:
NSError *jsonError;
NSData *objectData = [@"{\"2\":\"3\"}" dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary *json = [N...