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How do I convert a String object into a Hash object?
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The string created by calling Hash#inspect can be turned back into a hash by calling eval on it. However, this requires the same to be true of all of the objects in the hash.
If I start with the hash {:a => Object.new}, then its string represen...
What are the differences between the threading and multiprocessing modules?
...nd the multiprocessing modules in Python to run certain operations in parallel and speed up my code.
6 Answers
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Static class initializer in PHP
I have an helper class with some static functions. All the functions in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
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Default visibility for C# classes and members (fields, methods, etc.)?
...her types, can have declared accessibilities as indicated in the following table.
Source: Accessibility Levels (C# Reference) (December 6th, 2017)
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Positioning a div near bottom side of another div
...exbox allows the bottom positioning very easily. Check the Flexbox support table
HTML
<div class="outer">
<div class="inner">
</div>
</div>
CSS
.outer {
display: flex;
justify-content: center; /* Center content inside */
}
.inner {
align-self: flex-end; /* At t...
Symfony 2 EntityManager injection in service
...to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work.
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
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This seems really hard to find in the docs by googling or otherwise. Anyone know where this shows up in the docs?
– wordsforthewise
Oct 21 '17 at 22:31
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Unable to execute dex: GC overhead limit exceeded in Eclipse
...4-bit JVM. If you're on a 64 bit JVM, you can safely set it to anything smaller than your RAM size minus overhead for OS/other applications. On a 32 bit VM, you'll want to keep it smaller than about 1500M (on Linux) or 1100M (on Windows) because the VM needs to allocate contiguous address space, a...
nullable object must have a value
...checking for null in your lambda.
Example:
MyEnum? type = null;
Entities.Table.Where(a => type == null ||
a.type == (int)type).ToArray(); // Exception: Nullable object must have a value
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Python error “ImportError: No module named”
Python is installed in a local directory.
28 Answers
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