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Subclassing a Java Builder class
...nFacts {
private final int calories;
public static class Builder<T extends Builder<T>> {
private int calories = 0;
public Builder() {}
public T calories(int val) {
calories = val;
return (T) this;
}
public Nutr...
How to automatically generate a stacktrace when my program crashes
...h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can be found in the libc manual.
Here's an example program that installs a SIGSEGV handler and prints a stacktrace to stderr when it segfaults. The baz() function here causes the segfault that triggers th...
No Persistence provider for EntityManager named
...
After <persistence-unit name="agisdb">, define the persistence provider name:
<provider>org.hibernate.ejb.HibernatePersistence</provider>
...
How to change text transparency in HTML/CSS?
...t;
font-family: Arial, sans-serif;
}
Also, steer far, far away from <font>. We have CSS for that now.
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Cross-reference (named anchor) in markdown
...or point named pookie.
To insert an anchor point of that name use HTML:
<a name="pookie"></a>
Markdown doesn't seem to mind where you put the anchor point. A useful place to put it is in a header. For example:
### <a name="tith"></a>This is the Heading
works very well....
ASP.Net MVC: How to display a byte array image from model
...;
var imgSrc = String.Format("data:image/gif;base64,{0}", base64);
}
<img src="@imgSrc" />
As mentioned in the comments below, please use the above armed with the knowledge that although this may answer your question it may not solve your problem. Depending on your problem this may be t...
Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
...
Try with,
<uses-permission android:name="android.permission.INTERNET"/>
instead of,
<permission android:name="android.permission.INTERNET"></permission>
...
nuget 'packages' element is not declared warning
... get rid of this warning. To do this, create file named "packages.xsd":
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
targetNamespace="urn:packages" xmlns="urn:packages">
<xs:element name="packag...
NSRange to Range
How can I convert NSRange to Range<String.Index> in Swift?
13 Answers
13
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Cleaning `Inf` values from an R dataframe
...
You could use data.table and set. This avoids some internal copying.
DT <- data.table(dat)
invisible(lapply(names(DT),function(.name) set(DT, which(is.infinite(DT[[.name]])), j = .name,value =NA)))
Or using column numbers (possibly faster if there are a lot of columns):
for (j in 1:ncol(DT))...