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How to save CSS changes of Styles panel of Chrome Developer Tools?
...when editing the file.
p.s.
You may have to open the mapped file(s) and start editing to get Chrome apply the local version (date 201604.12).
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Asynchronous Requests with Python requests
...sions import FuturesSession
session = FuturesSession()
# first request is started in background
future_one = session.get('http://httpbin.org/get')
# second requests is started immediately
future_two = session.get('http://httpbin.org/get?foo=bar')
# wait for the first request to complete, if it hasn...
Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
...the following commands one by one (excluding the ")
"adb kill-server"
"adb start-server"
"adb devices"
I had major problems and managed to get it working with these steps. If you still have problems, google the guide Remote Debugging on Android with Chrome and check for the part about drivers. I ...
Update Eclipse with Android development tools v. 23
I updated Eclipse with the new SDK tools (rev. 23), but now when Eclipse starts I receive the error:
43 Answers
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How do I use vim registers?
...ecide that you need to add a percentage sign at the end of the %Dev field (starting from 2nd line). We'll make a simple macro in the (arbitrarily selected) m register as follows:
Press: qm: To start recording macro under m register.
EE: Go to the end of the 3rd column.
a: Insert mode to append to...
Should I use `import os.path` or `import os`?
...gic with sys.modules to inject os.path. Here's what happens:
When Python starts up, it loads a bunch of modules into sys.modules. They aren't bound to any names in your script, but you can access the already-created modules when you import them in some way.
sys.modules is a dict in which modules...
How to get line count of a large file cheaply in Python?
...ge(5):
for func in [mapcount, simplecount, bufcount, opcount]:
start_time = time.time()
assert func("big_file.txt") == 1209138
counts[func].append(time.time() - start_time)
for key, vals in counts.items():
print key.__name__, ":", sum(vals) / float(len(vals))
...
How to add column if not exists on PostgreSQL?
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Am not sure why just starting the anonymous code block with DO $$ fails. I did try DO $$; which fails too, until I just started the block with DO $$DECLARE r record; which is given in an example on the dev postgres docs.
– n...
iOS: Multi-line UILabel in Auto Layout
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An issue for me since I started running on an iOS 9 sim but when I tested on iOS 8 then the trouble started. I need to set the max width manually.
– naz
Nov 6 '15 at 6:19
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How to write DataFrame to postgres table?
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Starting from pandas 0.14 (released end of May 2014), postgresql is supported. The sql module now uses sqlalchemy to support different database flavors. You can pass a sqlalchemy engine for a postgresql database (see docs). E...