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Make xargs handle filenames that contain spaces
... paths containing list files : cat $file_paths_list_file | perl -ne 's|\n|\000|g;print'| xargs -0 zip $zip_package
– Yordan Georgiev
Jun 24 '14 at 13:47
2
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How to randomly select rows in SQL?
... table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results.
11 Answers
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numpy: most efficient frequency counts for unique values in an array
...
return out
perfplot.show(
setup=lambda n: np.random.randint(0, 1000, n),
kernels=[bincount, unique, itemfreq, unique_count, pandas_value_counts],
n_range=[2 ** k for k in range(26)],
logx=True,
logy=True,
xlabel="len(a)",
)
...
jQuery document.createElement equivalent?
...hmark, and here are roughly the results of repeating the above options 100,000 times:
jQuery 1.4, 1.5, 1.6
Chrome 11 Firefox 4 IE9
<div> 440ms 640ms 460ms
<div></div> 420ms 650ms 480ms
createElement 100ms 180ms 300ms
...
HTML / CSS How to add image icon to input type=“button”?
...con-button(@icon-url, @icon-size: 16px, @icon-inset: 10px, @border-color: #000, @background-color: transparent) {
height: @icon-size * 2;
padding-left: @icon-size + @icon-inset * 2;
padding-right: @icon-inset;
border: 1px solid @border-color;
background: @background-color url(@ic...
HTML5 textarea placeholder not appearing
...rue anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF) character token,
then ignore that token and move on to the next one. (Newlines
at the start of textarea elements are ignored as an authoring
convenience.)
You might still have trouble if you editor ins...
How to get current time in milliseconds in PHP?
...
The short answer is:
$milliseconds = round(microtime(true) * 1000);
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Format a number as 2.5K if a thousand or more, otherwise 900
...um) {
return Math.abs(num) > 999 ? Math.sign(num)*((Math.abs(num)/1000).toFixed(1)) + 'k' : Math.sign(num)*Math.abs(num)
}
console.log(kFormatter(1200)); // 1.2k
console.log(kFormatter(-1200)); // -1.2k
console.log(kFormatter(900)); // 900
console.log(kFormatter(-900)); // -900
...
Cleaning `Inf` values from an R dataframe
...mapply(is.infinite, dat)] <- NA)
# user system elapsed
# 15.281 0.000 13.750
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Replace duplicate spaces with a single space in T-SQL
...ns though while loop that, in personal experience, having it run though 50,000 records of a table tends to be very slow, so you need to create it as a procedure and pass in a record and some jobs you may not have permission to create a band new procedure. Neil's uses per-existing functions because i...