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Eclipse does not highlight matching variables
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Make sure that you don't have the 'Text as higlighted' option checked for one of them.
This should fix it.
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C# Convert List to Dictionary
... => x, x => x);
The first lambda lets you pick the key, the second one picks the value.
You can play with it and make values differ from the keys, like this:
var res = list.ToDictionary(x => x, x => string.Format("Val: {0}", x));
If your list contains duplicates, add Distinct() lik...
What does -D_XOPEN_SOURCE do/mean?
...g POSIX 2004
700 - X/Open 7, incorporating POSIX 2008
You can tell which one you need (if any) by looking at the man page for each function you call.
For example, man strdup says:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
strdup(): _SVID_SOURCE || _BSD_SO...
Can a C++ enum class have methods?
...and I want to create a method which receives a value
and returns the other one. I also want to maintain type safety(that's why I use enum class instead of enums).
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Read binary file as string in Ruby
...d open the file as a binary file. Then you can read the entire file in, in one command.
file = File.open("path-to-file.tar.gz", "rb")
contents = file.read
That will get you the entire file in a string.
After that, you probably want to file.close. If you don’t do that, file won’t be closed un...
How can I see what has changed in a file before committing to git?
I've noticed that while working on one or two tickets, if I step away, I'm not sure what I worked on, what changed, etcetera.
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Get a random boolean in python?
...est of 3: 0.262 usec per loop # not takes about 20us of this
Added this one after seeing @Pavel's answer
$ python -m timeit -s "from random import random" "random() < 0.5"
10000000 loops, best of 3: 0.115 usec per loop
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What should I use Android AccountManager for?
..., I cannot find any general discussion of what it is intended for. Does anyone know of any helpful discussions of what the intention behind AccountManager is and what it buys you? Any opinions of what type of Accounts this is suitable for? Would this be where you'd put your user's account informati...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
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One thing you should be very aware of when dealing with encryption:
Trying to be clever and inventing your own thing usually will leave you with something insecure.
You'd probably be best off using one of the cryptography ...
SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW
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The solutions above though they will get the job done do so at the risk of dropping user permissions. I prefer to do my create or replace views or stored procedures as follows.
IF NOT EXISTS (SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[vw_myView]'))
EXE...