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Unioning two tables with different number of columns
... I realized that this solution also works without having to list all the columns. So instead of Select Col1, Col2, Col3, Null as Col4, Null as Col5 from Table2, one can also do, Select *, Null as Col4, Null as Col5 from Table2.
– Pratik Patel
Sep 20 '...
What is the difference between lock and Mutex?
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Andras VassAndras Vass
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How to convert a java.util.List to a Scala list
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Andrew Whitaker
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answered Oct 24 '15 at 1:16
NeilNeil
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Continuous Integration for Ruby on Rails? [closed]
...he results. I came from a .NET shop that used CruiseControl.NET and was really spoiled with its ease of use and rich status/reporting.
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How to inspect the return value of a function in GDB?
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edited May 10 '18 at 11:25
Jakuje
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django : using select_related and get_object_or_404 together
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answered Jul 8 '11 at 12:49
Daniel RosemanDaniel Roseman
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How to set current working directory to the directory of the script in bash?
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If you called the script as ./script, . is the correct directory, and changing to . it will also end up in the very directory where script is located, i.e. in the current working directory.
– ndim
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.NET 4.0 has a new GAC, why?
... Global Assembly Cache (GAC), you will have to manage each of them individually.
In .NET Framework 4.0, the GAC went through a few changes. The GAC was split into two, one for each CLR.
The CLR version used for both .NET Framework 2.0 and .NET Framework 3.5 is CLR 2.0. There was no need in the prev...
Call a python function from jinja2
I am using jinja2, and I want to call a python function as a helper, using a similar syntax as if I were calling a macro. jinja2 seems intent on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro.
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
...write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
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end
Here, I can see that I may both read and write the age.
class Person
attr_reader :age
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end
Here, I can see that I may only read the age. Imagine that it is set ...