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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...he author wants its first commit to be empty (see blog post "How I initialize my Git repositories"):
$ GIT_AUTHOR_DATE="Thu, 01 Jan 1970 00:00:00 +0000" GIT_COMMITTER_DATE="Thu, 01 Jan 1970 00:00:00 +0000" git commit --allow-empty -m 'Initial commit'
Will give you:
(See the tree SHA1?)
You ca...
Can you explain the HttpURLConnection connection process?
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user3306155
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answered Apr 12 '12 at 4:09
jmort253jmort253
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overlay opaque div over youtube iframe
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in an iFrame, the default wmode is windowed which essentially gives it a z-index greater then everything else and it will overlay over anything.
Try appending this GET parameter to your URL:
wmode=opaque
like so:
https://www.youtube.com/embed/kRvL6K8SEgY?wmode=opaque
Make sure its the first ...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
After conducting some experiments on square matrices of different sizes, a pattern came up. Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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Installing Apple's Network Link Conditioner Tool
...lened
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answered Mar 11 '12 at 22:25
Kurt RevisKurt Revis
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Library? Static? Dynamic? Or Framework? Project inside another project
...loper
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How to design a product table for many kinds of product where each product has many parameters
...ng both common product attributes, and product-specific attributes.
Serialized LOB: One table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This BLOB allows you to store the attributes...
Amazon S3 Change file download name
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I guess your cross posted this questions to Amazon S3 forum, but for the sake of others I'd like to post the answer here:
If there is only ever one "user filename" for each S3 object, then you can set the Content-Disposition header on your s3 file to set the downloading ...
How to change color in markdown cells ipython/jupyter notebook?
...Jakob
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1
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Difference between ref and out parameters in .NET [duplicate]
...is that a variable you pass as an out parameter doesn't need to be initialized but passing it as a ref parameter it has to be set to something.
int x;
Foo(out x); // OK
int y;
Foo(ref y); // Error: y should be initialized before calling the method
Ref parameters are for data that might be modifi...