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update columns values with column of another table based on condition [duplicate]
I have two tables...
2 Answers
2
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How to find the nearest parent of a Git branch?
...oach is a bit different from what you have envisioned.
Git’s history is based on a DAG of commits. Branches (and “refs” in general) are just transient labels that point to specific commits in the continually growing commit DAG. As such, the relationship between branches can vary over time, bu...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...
Yes, a defaulted move constructor will perform a member-wise move of its base and members, so:
Example(Example&& mE) : a{move(mE.a)}, b{move(mE.b)} { }
is equivalent to:
Example(Example&& mE) = default;
we can see this by going to the draft C++11 standard sect...
Real-world applications of zygohistomorphic prepromorphisms
...hemes package.
zygoHistoPrepro
:: (Unfoldable t, Foldable t)
=> (Base t b -> b)
-> (forall c. Base t c -> Base t c)
-> (Base t (EnvT b (Stream (Base t)) a) -> a)
-> t
-> a
The implementation was simplified as well.
zygoHistoPrepro f = gprepro (distZygoT f...
At runtime, find all classes in a Java application that extend a base class
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For generating the META-INF services file easily based on annotations on the classes, you can check: metainf-services.kohsuke.org or code.google.com/p/spi
– elek
Nov 15 '12 at 13:48
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How can I dynamically create derived classes from a base class
For example I have a base class as follows:
3 Answers
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Will GetType() return the most derived type when called from the base class?
Will GetType() return the most derived type when called from the base class?
3 Answers
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How to append text to a text file in C++?
...t main() {
std::ofstream outfile;
outfile.open("test.txt", std::ios_base::app); // append instead of overwrite
outfile << "Data";
return 0;
}
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What are the differences between LDAP and Active Directory?
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Active Directory is a database based system that provides authentication, directory, policy, and other services in a Windows environment
LDAP (Lightweight Directory Access Protocol) is an application protocol for querying and modifying items in direc...
Changing the “tick frequency” on x or y axis in matplotlib?
...tor:
import matplotlib.ticker as plticker
loc = plticker.MultipleLocator(base=1.0) # this locator puts ticks at regular intervals
ax.xaxis.set_major_locator(loc)
There are several different types of locator depending upon your needs.
Here is a full example:
import matplotlib.pyplot as plt
impo...