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CSS endless rotation animation
...: rotating 2s linear infinite;
}
<div
class="rotating"
style="width: 100px; height: 100px; line-height: 100px; text-align: center;"
>Rotate</div>
share
|
improve this a...
Can I force pip to reinstall the current version?
...--upgrade and --force-reinstall ensures reinstallation, while --no-deps avoids reinstalling dependencies.
$ sudo pip install --upgrade --no-deps --force-reinstall <packagename>
Otherwise you might run into the problem that pip starts to recompile Numpy or other large packages.
...
Add all files to a commit except a single file?
I have a bunch of files in a changeset, but I want to specifically ignore a single modified file. Looks like this after git status :
...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...ression, we can use a list comprehension to replicate what other languages call fold/foldleft/reduce operations:
Given a list, a reducing function and an accumulator:
items = [1, 2, 3, 4, 5]
f = lambda acc, x: acc * x
accumulator = 1
we can fold items with f in order to obtain the resulting accu...
How to force maven update?
... is more complicated if you were using artifactory and used the repository id "central", because the metadata doesn't apparently get cleaned out.
– ggb667
May 12 '14 at 20:45
2
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How can I measure the actual memory usage of an application or process?
...ding if pages are shared, for example by several threads or by using dynamically linked libraries
If you really want to know what amount of memory your application actually uses, you need to run it within a profiler. For example, Valgrind can give you insights about the amount of memory used, and,...
Bash array with spaces in elements
... through its indices, like so, it works if I add the elements either numerically or with escapes:
for ((i = 0; i < ${#FILES[@]}; i++))
do
echo "${FILES[$i]}"
done
Any of these declarations of $FILES should work:
FILES=(2011-09-04\ 21.43.02.jpg
2011-09-05\ 10.23.14.jpg
2011-09-09\ 12.31.16...
Collection was modified; enumeration operation may not execute
...in subscribers.Values.ToList())
If I'm right, the problem will disappear.
Calling subscribers.Values.ToList() copies the values of subscribers.Values to a separate list at the start of the foreach. Nothing else has access to this list (it doesn't even have a variable name!), so nothing can modify i...
How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
... answered Jan 5 '10 at 8:29
David HallDavid Hall
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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
... .... .1.. = Next Expected Sequence Number: 1
.... ..10 = LLID: Start of an L2CAP message or a complete L2CAP message with no fragmentation (0x2)
000. .... = RFU: 0
...0 0111 = Length: 7
3) L2CAP 长度
在BLE中，GA...