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What is reflection and why is it useful?
...methods which are marked or work in a certain way is still common.
Update from a comment:
The ability to inspect the code in the system and see object types is
not reflection, but rather Type Introspection. Reflection is then the
ability to make modifications at runtime by making use of
i...
What's the best way to communicate between view controllers?
... reusable. And if you think about where the Stanford presenters are coming from (i.e., as Apple employees their job is to build classes that can easily be reused), reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection...
Reading GHC Core
...g Core by reading GHC source. Some is described in my undergraduate thesis from 2002, from page 16.
From using the ghc-core tool, to generate Core in a format I find pleasing.
Core in turn is translated into STG code, which looks something like:
The funny names in Core are encoded in the "Z-enc...
What is a “surrogate pair” in Java?
...ode units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complexity is used to store values above this range (0x10000 to 0x10FFFF). This is done using pairs of code units known as surrogates.
The surrogate code units are in two ranges known as "...
Remove leading comma from a string
...lit("','");
["first string", "more", "even more"]
To extract a substring from a string I usually use slice() but substr() and substring() also do the job.
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What does threadsafe mean?
Recently I tried to Access a textbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead.
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Optional query string parameters in ASP.NET Web API
...run-time could have taken the type's default value if it didn't receive it from the URI. What is the technical reason behind this?. I'm sure this has something to do with model binder.
– RBT
Feb 2 '17 at 10:52
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What does java:comp/env/ do?
...he following structure for the "env"
namespace.
So the binding you did from spring or, for example, from a tomcat context descriptor go by default under java:comp/env/
For example, if your configuration is:
<bean id="someId" class="org.springframework.jndi.JndiObjectFactoryBean">
<p...
Hide all warnings in ipython
...g viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
...
NPM doesn't install module dependencies
...re node_modules folder and re-installing worked for me. Learned this trick from the IT Crowd show!
rm -rf node_modules
npm install
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