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In Python, what is the difference between “.append()” and “+= []”?
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163
For your case the only difference is performance: append is twice as fast.
Python 3.0 (r30:6750...
QString to char* conversion
... Eli BenderskyEli Bendersky
218k7777 gold badges324324 silver badges390390 bronze badges
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How to use mongoimport to import csv
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Your example worked for me with MongoDB 1.6.3 and 1.7.3. Example below was for 1.7.3. Are you using an older version of MongoDB?
$ cat > locations.csv
Name,Address,City,State,ZIP
Jane Doe,123 Main St,Whereverville,CA,90210
John Doe,555 Broadway Ave,New York,NY,1001...
Best place to insert the Google Analytics code [duplicate]
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236
Google used to recommend putting it just before the </body> tag, because the original met...
Vagrant reverse port forwarding?
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134
When you run vagrant ssh, it's actually using this underlying command:
ssh -p 2222 -o UserKnow...
Failed to locate the winutils binary in the hadoop binary path
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edited Sep 5 '19 at 14:30
Ganesh Jadhav
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answer...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
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I believe the intent was to rename System32, but so many applications hard-coded for that path, that it wasn't feasible to remove it.
SysWoW64 wasn't intended for the dlls of 64-bit systems, it's actually something like "Windows on Windows64", meaning the bits you...
How to cherry-pick multiple commits
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Git 1.7.2 introduced the ability to cherry pick a range of commits. From the release notes:
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Remove specific characters from a string in Python
...2.x versions *, you can instead use str.translate, (but read on for Python 3 differences):
line = line.translate(None, '!@#$')
or regular expression replacement with re.sub
import re
line = re.sub('[!@#$]', '', line)
The characters enclosed in brackets constitute a character class. Any charac...
How do you tell the Visual Studio project type from an existing Visual Studio project
...eGuids>
ASP.NET and WCF projects contain:
<ProjectTypeGuids>{603c0e0b-db56-11dc-be95-000d561079b0};{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
<OutputType>Library</OutputType>
The GUIDs do something to define exactl...
