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Why is arr = [] faster than arr = new Array?
I ran this code and got the below result. I curious to know why [] is faster?
5 Answers
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Python Dictionary to URL Parameters
...ith repetitive params such as: p=1&p=2&p=3 you have two options:
>>> import urllib
>>> a = (('p',1),('p',2), ('p', 3))
>>> urllib.urlencode(a)
'p=1&p=2&p=3'
or if you want to make a url with repetitive params:
>>> urllib.urlencode({'p': [1, 2, ...
How to convert integer timestamp to Python datetime
...ut fromtimestamp() expects Unix timestamp, in seconds.
Do it like that:
>>> import datetime
>>> your_timestamp = 1331856000000
>>> date = datetime.datetime.fromtimestamp(your_timestamp / 1e3)
and the result is:
>>> date
datetime.datetime(2012, 3, 16, 1, 0)
...
Why aren't my breakpoints working?
...re this is CHECKED (aka ON). Also, you might try finding (also in Target >> Get Info) a property called "Debug Information Format" and setting it to "Dwarf with dsym file."
There are a number of other properties under Target >> Get Info that might affect you. Look for things like opt...
IntelliJ 13 - Add Navigate Back/Forward to toolbar?
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IntelliJ IDEA 15
Show toolbar
Method 1
View > Toolbar
Method 2
Press Shift 2 times > write "toolbar" and click on the "switch button" to change "OFF" in "ON":
The toolbar already contains the "Back" and "Forward" buttons.
Configure toolbar
Method 1
...
HTTP requests and JSON parsing in Python
... JSON decoder. Here is an example taken from the module's documentation:
>>> import requests
>>> r = requests.get('https://github.com/timeline.json')
>>> r.json()
[{u'repository': {u'open_issues': 0, u'url': 'https://github.com/...
So there is no use of having to use so...
Safest way to convert float to integer in python?
...t digits) then I think you will get the behavior you want.
IDLE output.
>>> round(2.99999999999)
3
>>> round(2.6)
3
>>> round(2.5)
3
>>> round(2.4)
2
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vim line numbers - how to have them on by default?
... Simply run this command anywhere in your terminal: echo "\nset nu" >> ~/.vimrc. Now exit and reopen terminal session.
– Kapil Jituri
Jan 31 at 6:02
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Codesign error: Provisioning profile cannot be found after deleting expired profile
...
The only thing that worked for me: Preferences -> Accounts -> View details -> Refresh. That reloaded all of the provisioning profiles from dev portal. Hope this helps someone
– blackhawk4152
Nov 26 '14 at 20:40
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Eclipse fonts and background color
... To make this a blanket change, you'll want to select Basic>Text Font instead of Java>Java Editor Text. Then you'll want to restart Eclipse. Also, make sure to reset Java>Java Editor Text so that it will use the new default.
– Chris
Se...