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jquery .html() vs .append()
...point. Doing some performance testing on an app that loads a large (10K+) batch of <li>'s into a <ul> and saw an increase in render (not load) time from ~12s -> .25s by switching the .append(giantListHTMLAsASingleString) to .html(giantListHTMLAsASingleString). If you are alreadying ...
What is the equivalent of MATLAB's repmat in NumPy
...:35
Vasu
333 bronze badges
answered Nov 12 '09 at 13:09
rcsrcs
58.7k1818 gold badges161...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
...back h6 { margin-top: 0 !important; margin-bottom: 0 !important; color:#333; } .feedback-pop { position: fixed; right: 4px; top: 40%; background: #fff; box-sizing: border-box; border-radius: 4px; font-size: 15px; color: #1a1a1a; text-align: center; cursor: pointer; padding: 12px ...
Make xargs handle filenames that contain spaces
...files with spaces in the names. More generically (e.g., when processing a batch of files some of which have spaces, some not), just skip the grep:
ls | sed 's| |\\ |g' | xargs ...
Then, of course, the filename may have other whitespace than blanks (e.g., a tab):
ls | sed -r 's|[[:blank:]]|\\\1|...
Reading a huge .csv file
...2':'str'}
cols = list(traintypes.keys())
df_list = [] # list to hold the batch dataframe
for df_chunk in tqdm(pd.read_csv(PATH, usecols=cols, dtype=traintypes, chunksize=chunksize)):
# Can process each chunk of dataframe here
# clean_data(), feature_engineer(),fit()
# Alternatively, ...
Check status of one port on remote host [closed]
... the same command against a host I know has that port open. This is for a batch file on Windows that will check the status of the remote port then run a command that uses that remote port for information, then the remote port check command again, then the command that uses that port on the next ser...
ImageConvertor 扩展：免费图像转换器，支持JPG/PNG/WEBP格式转换和图像处...
...back h6 { margin-top: 0 !important; margin-bottom: 0 !important; color:#333; } .feedback-pop { position: fixed; right: 4px; top: 40%; background: #fff; box-sizing: border-box; border-radius: 4px; font-size: 15px; color: #1a1a1a; text-align: center; cursor: pointer; padding: 12px ...
What is the point of a “Build Server”? [closed]
... build it in a reasonable amount of time?
What's "reasonable"? If I run a batch build on my local machine, there are many things I can't do. Rather than pay developers for builds to complete, pay IT to buy a real build machine already.
Is it I have just not worked on projects large enough?
Size...
How do I combine a background-image and CSS3 gradient on the same element?
...yle):
#gradient {
.vertical-with-image(@startColor: #555, @endColor: #333, @image) {
background-color: mix(@startColor, @endColor, 60%); // fallback
background-image: @image; // fallback
background: @image, -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
...
Changing case in Vim
...
333
See the following methods:
~ : Changes the case of current character
guu : Change curr...