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Confused by python file mode “w+”
...tiple parameters. r, w, or a are exclusive, but b can be added to any of those, as can +, or U... It's a combinatorial explosion.
– rmunn
Oct 3 '14 at 6:41
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What are the use cases for selecting CHAR over VARCHAR in SQL?
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(CustomerFirstName,CustomerLastName, CustomerCityStateZip) ('Joe','Blow','123 Main St Washington, MD 12345', 123.45)
create view vwStagingTable AS
SELECT CustomerFirstName = CAST(CustomerFirstName as CHAR(30)),
CustomerLastName = CAST(CustomerLastName as CHAR(30)),
CustomerCityStateZip = CAST(Cust...
What does the '.' (dot or period) in a Go import statement do?
In the Go tutorial, and most of the Go code I've looked at, packages are imported like this:
3 Answers
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YYYY-MM-DD format date in shell script
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The preferred syntax in any POSIX-compliant shell in this millennium is date=$(date) instead of date=`date`. Also, don't use uppercase for your private variables; uppercase variable names are reserved for the system.
– tripleee
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Using a piano keyboard as a computer keyboard [closed]
...sound (no pun).
MIDI is a stream of "events" (or "messages"), two of the most fundamental being "note on" and "note off" which carry with them the note number (0 = C five octaves below middle C, through 127 = G five octaves above the G above middle C, in semi-tones). These events carry a "velocity"...
How do I create a new class in IntelliJ without using the mouse?
......).
You can also do it from the Navigation Bar, press Alt+Home, then choose package with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the package...
Correct way to pause Python program
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For windows only use:
import os
os.system("pause")
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Finding local IP addresses using Python's stdlib
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import socket
socket.gethostbyname(socket.gethostname())
This won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your mach...
Provisioning Profiles menu item missing from Xcode 5
After spending a whole day installing a fresh copy of Mac OS X v10.8 (Mountain Lion), Xcode 5, fixing provisioning profiles, certificates, creating new ones, I finally managed to get my applications running on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library ...
Longest line in a file
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Note that only the -c -l -m -w options are POSIX. -L is a GNUism.
– Jens
Aug 30 '11 at 7:24
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