大约有 3,516 项符合查询结果（耗时：0.0252秒） [XML]
How do I convert a column of text URLs into active hyperlinks in Excel?
...
Add Dim xCell As Range if you are using the explicit option. +1 for a solution that changes the cell (as asked) and providing the code that does it.
– Praesagus
Dec 22 '14 at 23:52
...
How to run a shell script on a Unix console or Mac terminal?
...ays available in /bin. While on Linux machines it usually is, there are a range of other POSIX machines where bash ships in various locations, such as /usr/xpg/bin/bash or /usr/local/bin/bash.
To write a portable bash script, we can therefore not rely on hard-coding the location of the bash progra...
Reading a huge .csv file
....csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
...
How big can a MySQL database get before performance starts to degrade
...e have a single table which is 200+ GiB and a few others in the 50-100 GiB range. Everything I said before holds. It still performs just fine, but the problems of running full dataset operations have become worse.
share
...
How can I tell if one commit is a descendant of another commit?
...
This kind of operations relies on the notion of range of revisions detailed in the SO question: "Difference in ‘git log origin/master’ vs ‘git log origin/master..’".
git rev-list should be able to walk back from a commit, up until another if reachable.
So I would...
How can I open multiple files using “with open” in Python?
... print('exit {!r}'.format(self))
return True
xs = [X() for _ in range(3)]
with ExitStack() as stack:
print(len(stack._exit_callbacks)) # number of callbacks called on exit
nums = [stack.enter_context(x) for x in xs]
print(len(stack._exit_callbacks))
print(len(stack._exit_cal...
Pickle or json?
...
This is not a wide ranging benchmark, but I had an existing game where it was saving the levels using pickle (python3). I wanted to try jsonpickle for the human readable aspect - however the level saves were sadly much slower. 1597ms for jsonpi...
Wrapping StopWatch timing with a delegate or lambda?
...
@Jay I agree that "foreach" with Enumerable.Range looks a bit more "modern", but my tests show that it's about four times slower than a "for" loop over a large count. YMMV.
– Matt Hamilton
Oct 25 '08 at 23:16
...
How to use arguments from previous command?
... The word matched by the most recent ‘?string?’ search.
x-y A range of words; ‘-y’ abbreviates ‘0-y’.
* All of the words but the zeroth.
This is a synonym for ‘1-$’.
It is not an error to use * if there is just one word in
the event; t...
Detect and exclude outliers in Pandas data frame
...25)
q3 = df_in[col_name].quantile(0.75)
iqr = q3-q1 #Interquartile range
fence_low = q1-1.5*iqr
fence_high = q3+1.5*iqr
df_out = df_in.loc[(df_in[col_name] > fence_low) & (df_in[col_name] < fence_high)]
return df_out
...