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C# LINQ find duplicates in List
... , how can I retrieve a list that contains entries repeated more than once and their values?
9 Answers
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How to create a project from existing source in Eclipse and then find it?
...your workspace or it can be somewhere else.
Start a new project in eclipse and name it using that same project name.
Uncheck the "use default location" box and find the directory where your project is unless your project is already in the workspace - then you must not uncheck the "use default locati...
Common MySQL fields and their appropriate data types
...g up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as these. For...
How to remove from a map while iterating it?
...
The standard associative-container erase idiom:
for (auto it = m.cbegin(); it != m.cend() /* not hoisted */; /* no increment */)
{
if (must_delete)
{
m.erase(it++); // or "it = m.erase(it)" since C++11
}
else
{
...
How to atomically delete keys matching a pattern using Redis
...ing: As the Redis document says, because of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
...
What's a correct and good way to implement __hash__()?
What's a correct and good way to implement __hash__() ?
6 Answers
6
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“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role
...B which is in VM Role(I have SQL VM Role) from Azure Website. Both VM Role and Azure Website are in West zone. I am facing following issue:
...
What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
7
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Clearing purchases from iOS in-app purchase sandbox for a test user
Does anyone have any ideas on how to reset and/or clear the iOS in-app purchase sandbox?
8 Answers
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What is the official “preferred” way to install pip and virtualenv systemwide?
...
If you can install the latest Python (2.7.9 and up) Pip is now bundled with it.
See: https://docs.python.org/2.7//installing/index.html
If not :
Update (from the release notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Ad...