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How does one reorder columns in a data frame?
... Why does the mtcars[c(1,3,2)] subsetting work? I would have expected an error relating to incorrect dimensions or similar... Shouldn't it be mtcars[,c(1,3,2)]?
– landroni
Aug 30 '15 at 13:07
...
What is the difference between the different methods of putting JavaScript code in an ?
... to the javascript_required.html page and log the function that caused the error.
– Timo Huovinen
May 16 '12 at 17:05
2
...
How to determine a Python variable's type?
...point number!) When converting a string, use the optional base. It is an error to supply a base when converting a
non-string. If the argument is outside the integer range a long object
will be returned instead.
...
Get Visual Studio to run a T4 Template on every build
...f you build your projects using x64 version of MSBuild - you will get this error: 'MSB4019: The imported project "C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\TextTemplating\v10.0\Microsoft.TextTemplating.targets" was not found.' error. Workaround - replace $(MSBuildExtensionsPath) variable...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...
I have tried the above procedure but it is giving this error "java-lang-illegalstateexception-can-not-perform-this-action-after-onsaveinstance". So where exactly i have to remove the fragment
– KK_07k11A0585
Jul 15 '13 at 14:36
...
Find out whether Chrome console is open
...
Getting TypeError: Cannot read property 'length' of undefined in isInspectOpen()
– sandeep
Feb 16 '14 at 16:49
2
...
Enum Naming Convention - Plural
...th either of the following:
public enum OrderStatus { Pending, Fulfilled, Error };
public class SomeClass {
public OrderStatus OrderStatus { get; set; }
}
or
public enum OrderStatus { Pending, Fulfilled, Error };
public class SomeClass {
public OrderStatus Status { get; set; }
}
...
SQL Server: Is it possible to insert into two tables at the same time?
...t however that it is not that simple in real life because of the following error
the OUTPUT INTO clause cannot be on
either side of a (primary key, foreign
key) relationship
I can still OUTPUT INTO a temp table and then finish with normal insert. So I can avoid my loop but I cannot avoid t...
How to stop a goroutine
...ically a suped up quit channel, but it does nice things like pass back any errors as well. The routine under control still has the responsibility of checking for remote kill signals. Afaik it's not possible to get an "id" of a goroutine and kill it if it's misbehaving (ie: stuck in an infinite loop)...
Java String - See if a string contains only numbers and not letters
...75% strings contain non-digit symbols)
Benchmark Mode Cnt Score Error Units
testIsDigit thrpt 5 9.275 ± 2.348 ops/s
testPattern thrpt 5 2.135 ± 0.697 ops/s
testParseLong thrpt 5 0.166 ± 0.021 ops/s
## Test load with 50% valid strings (50% strings contain non-dig...