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How do I remove version tracking from a project cloned from git?
...t folder is hidden so make sure you turn on the Show hidden files, folders and disks option.
From there, you can run git init to create a fresh repository.
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Is there any async equivalent of Process.Start?
...- it doesn't have any cancellation/timeout support, but it'll gather the standard output and standard error for you, at least. github.com/jamesmanning/RunProcessAsTask
– James Manning
Dec 3 '12 at 5:54
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How many random elements before MD5 produces collisions?
... quintillion 374 quadrillion 607 trillion 431 billion 768 million 211 thousand 456.
However if you keep all the hashes then the probability is a bit higher thanks to birthday paradox. To have a 50% chance of any hash colliding with any other hash you need 264 hashes. This means that to get a collis...
What method in the String class returns only the first N characters?
...first str.Length characters of str", but Substring does that check for you and just does return this if you've asked for the whole string.
– stevemegson
Aug 25 '10 at 14:37
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A migration to add unique constraint to a combination of columns
...mns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
6 Answers
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~x + ~y == ~(x + y) is always false?
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Assume for the sake of contradiction that there exists some x and some y (mod 2n) such that
~(x+y) == ~x + ~y
By two's complement*, we know that,
-x == ~x + 1
<==> -1 == ~x + x
Noting this result, we have,
~(x+y) == ~x + ~y
<==> ~(x+y) + (x+y) == ~x + ~y...
How do I use the new computeIfAbsent function?
...t without a helper method (but you won’t see the debugging output then). And even simpler, as it is a simple delegation to an existing method you could write: whoLetDogsOut.computeIfAbsent("snoop", String::isEmpty); This delegation does not need any parameters to be written.
To be closer to the e...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
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Instead of modifying the XML document itself, it's best to parse it and then modify the tags in the result. This way you can handle multiple namespaces and namespace aliases:
from io import StringIO # for Python 2 import from StringIO instead
import xml.etree.ElementTree as ET
# instead of...
How to get back to the latest commit after checking out a previous commit?
...tory. You can run git branch to get a list of branches in your repository, and git tag -l for a list of tags. Similarly, origin is the default name of the remote that a repository is cloned from, but there's nothing special about it.
– Phil Miller
Feb 3 '12 at ...
How to re-raise an exception in nested try/except blocks?
... produced will include an additional notice that SomeError occurred while handling AlsoFailsError (because of raise e being inside except AlsoFailsError). This is misleading because what actually happened is the other way around - we encountered AlsoFailsError, and handled it, while trying to recove...