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How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
...endency (I have to manually change the various .iml and .idea/libraries/SBT_SBT_.xml to the new version number). I'd like to follow up on that ticket.
– David B.
Dec 7 '13 at 3:50
...
filter for complete cases in data.frame using dplyr (case-wise deletion)
... %>% filter(complete.cases(.))
or this:
library(tidyr)
df %>% drop_na
If you want to filter based on one variable's missingness, use a conditional:
df %>% filter(!is.na(x1))
or
df %>% drop_na(x1)
Other answers indicate that of the solutions above na.omit is much slower but tha...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...has to say:
By default the heap dump is created in
a file called java_pid.hprof in the
working directory of the VM, as in the
example above. You can specify an
alternative file name or directory
with the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
will cause...
Is there a zip-like function that pads to longest length in Python?
...
In Python 3 you can use itertools.zip_longest
>>> list(itertools.zip_longest(a, b, c))
[('a1', 'b1', 'c1'), (None, 'b2', 'c2'), (None, 'b3', None)]
You can pad with a different value than None by using the fillvalue parameter:
>>> list(iter...
Set element focus in angular way
...
Controller-as is much simplier with lodash. _.set(scope, attributes.focusOnSaveInput, function() { element.focus(); }).
– Atomosk
Sep 20 '18 at 8:22
...
Difference between String#equals and String#contentEquals methods
...d it, I am sharing the implementations of both the methods (as of jdk 1.7.0_45)
public boolean contentEquals(CharSequence cs) {
if (value.length != cs.length())
return false;
// Argument is a StringBuffer, StringBuilder
if (cs instanceof AbstractStringBuilder) {
char v1[...
What does the [Flags] Enum Attribute mean in C#?
... And in C# 7.2 it's even clearer with leading separator! 0b_0100
– Vincenzo Petronio
Oct 26 '19 at 8:51
...
SQL selecting rows by most recent date
...ecent date".
Modified from http://wiki.lessthandot.com/index.php/Returning_The_Maximum_Value_For_A_Row
SELECT t.chargeId, t.chargeType, t.serviceMonth FROM(
SELECT chargeId,MAX(serviceMonth) AS serviceMonth
FROM invoice
GROUP BY chargeId) x
JOIN invoice t ON x.chargeId =t.chargeI...
Rails: How to get the model class name based on the controller class name?
...ss HouseBuyersController < ApplicationController
def index
@model_name = controller_name.classify
end
end
This is often needed when abstracting controller actions:
class HouseBuyersController < ApplicationController
def index
# Equivalent of @house_buyers = HouseBuyer.find(...
Is it possible to group projects in Eclipse?
...rack/vote having it added to Project Explorer is bugs.eclipse.org/bugs/show_bug.cgi?id=266030.
– studgeek
Sep 18 '12 at 0:07
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