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Ruby: How to post a file via HTTP as multipart/form-data?
I want to do an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field.
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Why rename synthesized properties in iOS with leading underscores? [duplicate]
...
@end
People would prefix their instance variables to differentiate them from their properties (even though Apple doesn't want you to use underscores, but that's a different matter). You synthesize the property to point at the instance variable. But the point is, _qux is an instance variable and s...
What is a lambda expression in C++11?
...and {} the function body.
The capture list
The capture list defines what from the outside of the lambda should be available inside the function body and how.
It can be either:
a value: [x]
a reference [&x]
any variable currently in scope by reference [&]
same as 3, but by value [=]
You...
How does one make a Zip bomb?
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Citing from the Wikipedia page:
One example of a Zip bomb is the file
45.1.zip which was 45.1 kilobytes of compressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a...
How to move/rename a file using an Ansible task on a remote system
...on't want to use the command/shell tasks and I don't want to copy the file from the local system to the remote system.
11 A...
Loader lock error
...on of Mixed Assemblies.
To ensure your mixed mode assembly can be loaded from a native executable, the only thing you need to check is that DllMain method is declared as native code. #pragma unmanaged could help here:
#pragma unmanaged
BOOL APIENTRY DllMain(HMODULE hModule,
DWORD ul_reason_...
What issues should be considered when overriding equals and hashCode in Java?
...ode().
Use the excellent helper classes EqualsBuilder and HashCodeBuilder from the Apache Commons Lang library. An example:
public class Person {
private String name;
private int age;
// ...
@Override
public int hashCode() {
return new HashCodeBuilder(17, 31). // two r...
Saving changes after table edit in SQL Server Management Studio
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@Mike Gledhill Greetings from 2019 and this is still the case LOL
– Captain Kenpachi
Oct 30 '19 at 7:54
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Is there a way to instantiate objects from a string holding their class name?
...function pointer is also a bit oldish. Modern C++ code should be decoupled from specific functions / types. You may want to look into Boost.Function to look for a better way. It would look like this then (the map):
typedef std::map<std::string, boost::function<variant_type()> > map_type...
SVN undo delete before commit
If you delete a directory from an SVN working copy, but haven't committed yet, it's not obvious how to get it back. Google even suggests "svn undo delete before commit" as a common query when you type "svn undo d", but the search results are unhelpful.
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