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Pass a data.frame column name to a function
...u need to either pass the column name quoted as a character or the integer index for the column. Just passing B will assume that B is an object itself.
– Shane
Apr 14 '10 at 23:14
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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Somehow the JDK language jars were removed from the classpath. All I had to do was reapply the JSDK home path.
Goto:
File -> Project Structure -> Platform Settings -> SDKs
Re-apply the JSDK home path.
Doing this added about 15 jars to the classpath. Apparently these are impo...
What are best practices for multi-language database design? [closed]
...e language.
In some cases we add a DefaultLanguage field, so that we can fall-back to that language if no localized data is available for a specified language.
Example:
Table "Product":
----------------
ID : int
<any other language-neutral fields>
Table "ProductTranslation...
What is WEB-INF used for in a Java EE web application?
... within the application hierarchy named
WEB-INF. This directory contains all things related to the
application that aren’t in the document root of the application. The
WEB-INF node is not part of the public document tree of the
application. No file contained in the WEB-INF directory may be...
How do you know when to use fold-left and when to use fold-right?
...ee it. It's "haskell-style pseudocode". :)
– laughing_man
Apr 21 '15 at 2:38
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Single quotes vs. double quotes in Python [closed]
...lar as triple single quotes -- 1.3M vs 131K occurrences in the code Google indexes. So in the multi line case your code is probably going to be more familiar to people if it uses triple double quotes.
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Is it possible to get CMake to build both a static and shared version of the same library?
Same source, all that, just want a static and shared version both. Easy to do?
5 Answers
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Unlink of file failed
...
That usually means a process is still using that specific file (still has an handle on it)
(on Windows, ProcessExplorer is good at tracking that kind of process)
Try closing your other programs, and try again your git pull.
Note th...
Best way to find if an item is in a JavaScript array? [duplicate]
...t IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The best workaround is to define it yourself if it's not present:
Mozilla's (ECMA-262) version:
if (!Array.prototype.indexOf)
{
Array.pr...
How can I extract the folder path from file path in Python?
....path.split(os.path.abspath(existGDBPath))
('T:\\Data\\DBDesign', 'DBDesign_93_v141b.mdb')
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