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Git: what is a dangling commit/blob and where do they come from?
...orking with your git repository, you may end up backing out of operations, and making other moves that cause intermediary blobs, and even some things that git does for you to help avoid loss of information.
Eventually (conditionally, according to the git gc man page) it will perform garbage collect...
When are you truly forced to use UUID as part of the design?
...ur major UUID versions:
Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if ...
How does RewriteBase work in .htaccess
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In my own words, after reading the docs and experimenting:
You can use RewriteBase to provide a base for your rewrites. Consider this
# invoke rewrite engine
RewriteEngine On
RewriteBase /~new/
# add trailing slash if missing
rewriteRule ^(([a-z0-9\-...
Why does Oracle 9i treat an empty string as NULL?
..., but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information.
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What are the differences between the BLOB and TEXT datatypes in MySQL?
What is blob and what is text ? What are the differences?
6 Answers
6
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How to prevent long words from breaking my div?
...em unless neccessary:
/([^\s-]{5})([^\s-]{5})/ → $1­$2
Browsers and search engines are smart enough to ignore this character when searching text, and Chrome and Firefox (haven't tested others) ignore it when copying text to clipboard.
<wbr> element
Another option is to inject <wb...
Convert a string to an enum in C#
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In .NET Core and .NET >4 there is a generic parse method:
Enum.TryParse("Active", out StatusEnum myStatus);
This also includes C#7's new inline out variables, so this does the try-parse, conversion to the explicit enum type and init...
Why were pandas merges in python faster than data.table merges in R in 2012?
I recently came across the pandas library for python, which according to this benchmark performs very fast in-memory merges. It's even faster than the data.table package in R (my language of choice for analysis).
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C# naming convention for constants?
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The recommended naming and capitalization convention is to use PascalCasing for constants (Microsoft has a tool named StyleCop that documents all the preferred conventions and can check your source for compliance - though it is a little bit too ana...
How do I resolve git saying “Commit your changes or stash them before you can merge”?
...made some updates on my local machine, pushed them to a remote repository, and now I'm trying to pull the changes to the server and I get the message;
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