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Does setting Java objects to null do anything anymore?
... explicitly set references A->B or B->C to null, for example.
Apart from that, most of the time the issue doesn't really arise, because in reality you're dealing with objects in collections. You should generally always be thinking of removing objects from lists, maps etc by calling the approp...
How to declare std::unique_ptr and what is the use of it?
...:unique_ptr works and for that I found this document. The author starts from the following example:
4 Answers
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Checkout subdirectories in Git?
...t repository with just mytheme and myplugins directories and symlink those from within the WordPress install.
MDCore wrote:
making a commit to, e.g., mytheme will increment the revision number for myplugin
Note that this is not a concern for git, if you do decide to put both directories in ...
Check if key exists and iterate the JSON array using Python
I have a bunch of JSON data from Facebook posts like the one below:
7 Answers
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What are Vertex Array Objects?
I am just starting to learn OpenGL today from this tutorial: http://openglbook.com/the-book/
I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code:
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Python serialization - Why pickle?
... a Python Object in a way that does respect Object programming - different from an output written in txt file or DB.
4 Ans...
Keystore type: which one to use?
... particularly convenient to use certificates (with private keys) backed up from a browser or coming from OpenSSL-based tools (keytool wasn't able to convert a keystore and import its private keys before Java 6, so you had to use other tools).
If you already have a PKCS#12 file, it's often easier to...
GitHub - List commits by author
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If the author has a GitHub account, just click the author's username from anywhere in the commit history, and the commits you can see will be filtered down to those by that author:
You can also click the 'n commits' link below their name on the repo's "contributors" page:
Alternatively, ...
iOS: Multi-line UILabel in Auto Layout
...eke's answer about making sure subsequent views don't prohibit Auto Layout from resizing the (possibly) multiline view.
– Tom Howard
Sep 2 '14 at 15:18
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When increasing the size of VARCHAR column on a large table could there be any problems?
I'm using SQL Server 2008 and I need to make a VARCHAR field bigger, from (200 to 1200) on a table with about 500k rows. What I need to know is if there are any issues I have not considered.
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