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Creating a dictionary from a csv file?
...n using pandas.
import pandas as pd
pd.read_csv('coors.csv', header=None, index_col=0, squeeze=True).to_dict()
If you want to specify dtype for your index (it can't be specified in read_csv if you use the index_col argument because of a bug):
import pandas as pd
pd.read_csv('coors.csv', header=N...
how to remove css property using javascript?
...sRules[0].style.removeProperty("zoom");
Caveat #1: You have to know the index of your stylesheet and the index of your rule.
Caveat #2: This object is implemented inconsistently by the browsers; what works in one may not work in the others.
...
How to add line breaks to an HTML textarea?
...\\\n
otherwise it gives Uncaught SyntaxError: Unexpected token ILLEGAL on all browsers.
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Static Block in Java [duplicate]
...ecuted when the class is loaded (or initialized, to be precise, but you usually don't notice the difference).
It can be thought of as a "class constructor".
Note that there are also instance initializers, which look the same, except that they don't have the static keyword. Those are run in additio...
Changing specific text's color using NSMutableAttributedString in Swift
...o change the colour of a length of text you need to know the start and end index of the coloured-to-be characters in the string e.g.
var main_string = "Hello World"
var string_to_color = "World"
var range = (main_string as NSString).rangeOfString(string_to_color)
Then you convert to attributed s...
HTML5 textarea placeholder not appearing
...ayed since the input area contains content (a newline character is, technically, valid content).
Good:
<textarea></textarea>
Bad:
<textarea>
</textarea>
Update (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF)...
Finding duplicates in O(n) time and O(1) space
...the solution - the fact that every valid array value is also a valid array index hints at a[a[i]], and the O(1) space constraint hints at the swap() operation being key.
– caf
Apr 21 '11 at 5:26
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Best approach to real time http streaming to HTML5 video client
...eces: moov and mdat. mdat contains the raw audio video data. But it is not indexed, so without the moov, it is useless. The moov contains an index of all data in the mdat. But due to its format, it can not be 'flattened' until the timestamps and size of EVERY frame is known. It may be possible to co...
How do I clear stuck/stale Resque workers?
...of workers
#=> [#<Worker infusion.local:40194-0:JAVA_DYNAMIC_QUEUES,index_migrator,converter,extractor>]
pick the worker and prune_dead_workers, for example the first one
Resque.workers.first.prune_dead_workers
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Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...d):
visited = set()
visited.add(start)
nodestack = list()
indexstack = list()
current = start
i = 0
while True:
# get a list of the neighbors of the current node
neighbors = graph[current]
# find the next unvisited neighbor of this node, if any
...