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How to make System.out.println() shorter
...d the lib in order to use the shorter expression of System.out.println() and where should I place that lib.
12 Answers
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Importing variables from another file?
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from file1 import *
will import all objects and methods in file1
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SQL Server 2005 How Create a Unique Constraint?
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The SQL command is:
ALTER TABLE <tablename> ADD CONSTRAINT
<constraintname> UNIQUE NONCLUSTERED
(
<columnname>
)
See the full syntax here.
If you want to do it from a Database Dia...
How to loop through a HashMap in JSP?
...ctice. I recommend to install JSTL (just drop the JAR file in /WEB-INF/lib and declare the needed taglibs in top of JSP). It has a <c:forEach> tag which can iterate over among others Maps. Every iteration will give you a Map.Entry back which in turn has getKey() and getValue() methods.
Here's ...
Updating a local repository with changes from a GitHub repository
I've got a project checked locally from GitHub, and that remote repository has since had changes made to it. What's the correct command to update my local copy with the latest changes?
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How do I byte-compile everything in my .emacs.d directory?
I have decided to check out Emacs, and I liked it very much. Now, I'm using the Emacs Starter Kit , which sort of provides better defaults and some nice customizations to default install of Emacs.
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Python coding standards/best practices [closed]
... you generally use PEP 8 -- Style Guide for Python Code as your coding standards/guidelines? Are there any other formalized standards that you prefer?
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How do I access named capturing groups in a .NET Regex?
... answered May 25 '09 at 12:18
Andrew HareAndrew Hare
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Warning message: In `…` : invalid factor level, NA generated
I don't understand why I got this warning message.
5 Answers
5
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What is __gxx_personality_v0 for?
This is a second-hand question from an OS development site, but it made me curious since I couldn't find a decent explanation anywhere.
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