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How to check if a file exists in Go?
... sometimes it return ENOTDIR instead of NOTEXIST, for example, if /etc/bashrc exist, the /etc/bashrc/foobar will return ENOTDIR
– lidaobing
Nov 23 '13 at 15:23
43
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What is the difference between Type and Class?
...t template. So is the structure type, the Integer type, the Interface type etc. These are all types
If you want, you can look at it this way: A type is the parent concept. All the other concepts: Class, Interface, Structure, Integer etc inherit from this concept.i.e They are types
...
Best architectural approaches for building iOS networking applications (REST clients)
...ice layer. Store vends model instances and handles the networking, caching etc. I want to mention that you should not write all your networking and business logic in your service layer. This also can be considered as a bad design. For more info look at the Anemic and Rich domain models. Some service...
How do I see what character set a MySQL database / table / column is?
...probably also need to check connection character_set, client_character_set etc... : SHOW VARIABLES LIKE 'character_set%'; SHOW VARIABLES LIKE 'collation%';
– BenL
Feb 6 '15 at 9:54
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...s a Service (IAAS)
Versatile - has many products such as EC2, LAMBDA, EMR, etc.
Can use a Dedicated instance for more control over the architecture, such as choosing the OS, software version, etc. There is more than one backend layer.
Elastic Beanstalk is a feature similar to Heroku's PAAS.
Can use...
How to deny access to a file in .htaccess
...ACCESS
.hTaCcEsS
testFILE.htaccess
filename.HTACCESS
FILEROOT.hTaCcEsS
..etc., etc. Clearly, this method is highly effective at securing your site’s HTAccess files. Further, this technique also includes the fortifying “Satisfy All” directive. Note that this code should be placed in your doma...
TCP loopback connection vs Unix Domain Socket performance
...trol, flow control, stream management (IP packet ordering, retransmission, etc) ). Unix domain sockets do not do any of the above because it was designed from the ground up to be ran locally, meaning no congestion issues, no speed differences between server/client requiring flow control, no dropped ...
Is leaked memory freed up when the program exits?
... memory - as is the case with normal "flavors" of Windows, Linux, Solaris, etc. However it is important to note that in specialized environments such as various Real-Time Operating Systems the memory may not be freed when the program is terminated.
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Mixin vs inheritance
...add ColorAndDimension to a, say, Shape class, a Sprite class, a Car class, etc. And they will all have the same interface (say get/setColor, get/setHeight/Width, etc.)
So, in the generic case a mixin IS inheritance. But you can argue it's a matter of the role of the class in the overall domain as to...
Using custom fonts using CSS?
...e using custom fonts on their sites (other than the regular Arial, Tahoma, etc.).
8 Answers
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