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Restart/undo conflict resolution in a single file
...res the unresolved state, including all information about parent and merge base, which allows restarting the resolution.
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Is null reference possible?
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Detection of dereferenced null pointers in typeid works based on syntax, instead of based on semantics. That is, if you do typeid(0, *(ostream*)0) you do have undefined behavior - no bad_typeid is guaranteed to be thrown, even though you pass an lvalue resulting from a null pointe...
Using port number in Windows host file
...hould be the accepted answer because the tools are already installed in my base windows 10 install and this does exactly what I needed. I was considering installing apache and mod_proxy but this is a much better solution.
– Max Young
Sep 14 '16 at 11:52
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What are the benefits to marking a field as `readonly` in C#?
...is a potential case where the compiler can make a performance optimization based on the presence of the readonly keyword.
This only applies if the read-only field is also marked as static. In that case, the JIT compiler can assume that this static field will never change. The JIT compiler can take t...
Why implement interface explicitly?
...nstraint on T. While an object can generally only be safely cloned if its base can be, one may wish to derive from a base class which could be safely cloned an object of a class that can't. To allow for that, I'd recommend against having inheritable classes expose a public clone method. Instead h...
What is RPC framework and Apache Thrift?
...hine, written in C++ which offers some service to the world through a JSON-based protocol over HTTP. This service may be called by a client program written in Python, running on a Windows machine. The code for both server and client is generated from a Thrift IDL file. To get it running, you basical...
How to increase the maximum number of opened editors in IntelliJ?
...ng the Recent Files (Cmd+E) feature.
Works for all IntelliJ IDEA platform based IDEs.
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WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]
...peer protocol. It's starting to see widespread use in industry as a server-based VOIP alternative.
– photicSphere
Jan 31 '18 at 0:42
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What is difference between monolithic and micro kernel?
...e. The kernel can invoke functions directly. Examples of monolithic kernel based OSs: Unix, Linux.
In microkernels, the kernel is broken down into separate processes, known as servers. Some of the servers run in kernel space and some run in user-space. All servers are kept separate and run in diffe...
How to check if a column exists in Pandas
...ments, you can use the get() method for DataFrames. For performing the sum based on the question:
df['sum'] = df.get('A', df['B']) + df['C']
The DataFrame get method has similar behavior as python dictionaries.
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