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How to check if all of the following items are in a list?
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answered Oct 14 '10 at 9:05
Glenn MaynardGlenn Maynard
48.9k88 gold badges102102 silver badges128128 bronze badges
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Fast way to get image dimensions (not filesize)
...ntify -format "%h" "$0")> /dev/null
And this also hides any potential error messages. Modern implementations of identify only read the header, not the whole image, so it is fast. Not sure how it compares to other methods though.
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How to calculate the SVG Path for an arc (of a circle)
...of a path with many components. Or maybe they did it to make sure rounding errors didn't build up along the length of a complex path.
The implementation notes are also useful for the original question, since they have more mathematical pseudocode for converting between the two parameterizations (wh...
Inputting a default image in case the src attribute of an html is not valid?
...e. Maybe you wanna use JQuery to hook the event.
<img src="foo.jpg" onerror="if (this.src != 'error.jpg') this.src = 'error.jpg';">
Updated with jacquargs error guard
Updated: CSS only solution
I recently saw Vitaly Friedman demo a great CSS solution I wasn't aware of. The idea is to appl...
How to make a SIMPLE C++ Makefile
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As far as I can tell, that error message only comes up if you have spaces. Make sure that you don't have any lines starting with spaces (space + tab will give that error). That's the only thing I can think of..
– Brendan Long
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Hash function that produces short hashes?
...tly unique...
I'm no expert, so please correct this if it has any glaring errors (in Python again like the accepted answer):
import base64
import hashlib
import uuid
unique_id = uuid.uuid4()
# unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f')
hash = hashlib.sha1(str(unique_id).encode("UTF...
How to wrap text in LaTeX tables?
I am creating a report in LaTeX which involves a few tables. I'm stuck on that as my cell data in the table is exceeding the width of the page. Can I somehow wrap the text so that it falls into the next line in the same cell of the table?
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Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
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14 提示和策略 ...................................................................................................................................143
14.1 控制台日志 .......................................................
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
While using new_list = my_list , any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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Bin size in Matplotlib (Histogram)
... rounded down due to floating point precision. E.g. for desired_bin_size=0.05, min_boundary=0.850, max_boundary=2.05 the calculation of n_bins becomes int(23.999999999999993) which results in 23 instead of 24 and therefore one bin too few. A rounding before integer conversion worked for me: n_bins =...