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CSS margin terror; Margin adds space outside parent element [duplicate]
...d some good explaining. No solution is really 100% satisfying. But I guess one just have to live with it, margin must work this way or text formatting would be impossible. 99% of time it works as needed. But every now and then comes the issue when designing a layout. :P
– jamie...
Force R not to use exponential notation (e.g. e+10)?
...e applied when deciding to print
numeric values in fixed or exponential notation. Positive
values bias towards fixed and negative towards scientific
notation: fixed notation will be preferred unless it is more
than ‘scipen’ digits wider.
Example...
Image comparison - fast algorithm
...rmation than others (particularly at edges and corners), and these are the ones you'll want to use for smart image matching. Google "keypoint extraction" and "keypoint matching" and you'll find quite a few academic papers on the subject. These days, SIFT keypoints are arguably the most popular, si...
Big O, how do you calculate/approximate it?
...gth value. Now we need the actual definition of the function f(). This is done from the source code, in which each interesting line is numbered from 1 to 4.
There are many ways to calculate the BigOh. From this point forward we are going to assume that every sentence that doesn't depend on the size...
Download single files from GitHub
...r each repository that you can use to upload files. If you need more than one binary, you can use a .zip file.
The URL to download an uploaded file is:
https://github.com/downloads/user/repository/filename
Note that the URLs given above, from the links on github.com, will redirect to raw.githubu...
Why does my application spend 24% of its life doing a null check?
...ey use caches, buffers that store a copy of the bytes in RAM. An important one is the L1 cache, typically 16 kilobytes for data and 16 kilobytes for instructions. Small, allowing it to be close to the execution engine. Reading bytes from the L1 cache typically takes 2 or 3 CPU cycles. Next up is the...
Vertically align text next to an image?
...t's quite simple: apply the vertical align to the image. Since it's all in one line, it's really the image you want aligned, not the text.
<!-- moved "vertical-align:middle" style from span to img -->
<div>
<img style="vertical-align:middle" src="https://placehold.it/60x60"&g...
Getting the IP address of the current machine using Java
...e lots of network interfaces, and an interface could be bound to more than one IP address. And to top that, not all IP addresses will be reachable outside of your machine or your LAN. For example, they could be IP addresses for virtual network devices, private network IP addresses, and so on.
Wha...
Why are exclamation marks used in Ruby methods?
...Ruby calls these as "dangerous methods" because they change state that someone else might have a reference to. Here's a simple example for strings:
foo = "A STRING" # a string called foo
foo.downcase! # modifies foo itself
puts foo # prints modified foo
This will output:
a string
...
Symbolic link to a hook in git
...mbolic link from hooks to .git/hooks so I don't have to copy the file from one folder to the other every time someone changes it so I tried:
...
