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How to kill zombie process
...herited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine their exit status.
An example of how you might send a signal to...
Extending the User model with custom fields in Django
...
Since Django 1.5 you may easily extend the user model and keep a single table on the database.
from django.contrib.auth.models import AbstractUser
from django.db import models
from django.utils.translation import ugettext_lazy as _
class UserProfile(AbstractUser):
age = models.PositiveInteg...
Call ASP.NET function from JavaScript?
...ror: OnError
});
}
function OnSuccess(data) {
var TableContent = "<table border='0'>" +
"<tr>" +
"<td>Rank</td>" +
"<td>Company Name</td&g...
ggplot2 keep unused levels barplot
...1$type <- factor(df1$type, levels=c("A","B", "C"))
df <- data.frame(table(df))
df1 <- data.frame(table(df1))
df$plot = "A"
df1$plot = "B"
df <- rbind(df, df1)
ggplot(df, aes(x=group, y=Freq, fill=type)) + geom_bar(position="dodge", stat="identity") + facet_wrap( ~ plot, scales="free"...
Best practices for overriding isEqual: and hash
...ing to have all sorts of problems when trying to use them as keys in a hashtable (or any dictionary-type collections).
On the other hand, if 2 instances are not equal, they may or may not have the same hash - it is best if they don't. This is the difference between an O(1) search on a hash table...
IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
...llowing this answer,
I learned that %LOCALAPPDATA%/IDEA/config/options/jdk.table.xml contained incorrect entries. Fixing the JDK table fixed the problem.
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Reference alias (calculated in SELECT) in WHERE clause
... @AaronBertrand - Is your first query a subquery or a derived table ? I don't know the difference between the two even after some quick googling.
– MasterJoe
Sep 4 at 19:57
...
Add a common Legend for combined ggplots
...
Update 2015-Feb
See Steven's answer below
df1 <- read.table(text="group x y
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group4 0.417117 -0.002592
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group...
How do I enumerate the properties of a JavaScript object? [duplicate]
...is needed and used because javascript conflates "Actor objects" with "Hash tables". when the object is a description of behaviors and traits, then the usual rules apply, you want to know about the properties on the object without concern for how they got there. If, on the other hand, your using th...
How to improve performance of ngRepeat over a huge dataset (angular.js)?
...e data (I am using a button for simplicity) you increment the limit.
<table>
<tr ng-repeat="d in data | limitTo:totalDisplayed"><td>{{d}}</td></tr>
</table>
<button class="btn" ng-click="loadMore()">Load more</button>
//the controller
$scope.tot...