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Is it good practice to NULL a pointer after deleting it?
I'll start out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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Getting the first index of an object
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As Ben Alpert points out, properties of Javascript objects are unordered, and your code is broken if you expect them to enumerate in the same order that they are specified in the object literal—there is no "first" property.
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Convert json data to a html table [closed]
...t to define the columns, the library should read the keys in the json hash and generate columns.
4 Answers
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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CardView layout_width=“match_parent” does not match parent RecyclerView width
...L. Returns The root View of
the inflated hierarchy. If root was supplied and attachToRoot is true,
this is root; otherwise it is the root of the inflated XML file.
It is important here to not supply true, but do supply the parent:
LayoutInflater.from(parent.getContext())
.inflate(...
C++ Exceptions questions on rethrow of original exception
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This question is rather old and has an answer appropriate to the time it was asked.
However, I just want to add a note on how to do proper exception handling since C++11 and I believe this corresponds very well to what you were trying to achieve with yo...
Chrome Extension Message passing: response not sent
I am trying to pass messages between content script and the extension
3 Answers
3
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A 'for' loop to iterate over an enum in Java
...iler. Therefore the base class can not declare a method with the same name and thus it does not get included in the automatically generated Javadocs. docs.oracle.com/javase/specs/jls/se7/html/jls-8.html#jls-8.9.2
– Torben
Mar 5 '13 at 9:32
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var self = this?
Using instance methods as callbacks for event handlers changes the scope of this from "My instance" to "Whatever just called the callback" . So my code looks like this
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django urls without a trailing slash do not redirect
...True, if the request URL does not match any of the patterns in the URLconf and it doesn’t end in a slash, an HTTP redirect is issued to the same URL with a slash appended. Note that the redirect may cause any data submitted in a POST request to be lost.". "The APPEND_SLASH setting is only used i...