大约有 6,886 项符合查询结果（耗时：0.0303秒） [XML]
What is the difference between git am and git apply?
... (e.g. the output of git diff) and applies it to the working directory (or index, if --index or --cached is used).
git am takes a mailbox of commits formatted as an email messages (e.g. the output of git format-patch) and applies them to the current branch.
git am uses git apply behind the scenes,...
mysql - how many columns is too many?
...oning. Here are a few:
If you have tables with many rows, modifying the indexes can take a very long time, as MySQL needs to rebuild all of the indexes in the table. Having the indexes split over several table could make that faster.
Depending on your queries and column types, MySQL could be wri...
Why there is no ForEach extension method on IEnumerable?
...e ForEach<> extension to be a little nicer than having to manage the index in a regular foreach myself:
public static int ForEach<T>(this IEnumerable<T> list, Action<int, T> action)
{
if (action == null) throw new ArgumentNullException("action");
var index = 0;
...
Git: Ignore tracked files
...
Sure.
git update-index --assume-unchanged [<file> ...]
To undo and start tracking again:
git update-index --no-assume-unchanged [<file> ...]
share
...
How to iterate over rows in a DataFrame in Pandas
...
DataFrame.iterrows is a generator which yields both the index and row (as a Series):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row['c1'], row['c2'])
10 100
11 110
12 120
...
html5 - canvas element - Multiple layers
...width="100" height="100"
style="position: absolute; left: 0; top: 0; z-index: 0;"></canvas>
<canvas id="layer2" width="100" height="100"
style="position: absolute; left: 0; top: 0; z-index: 1;"></canvas>
</div>
Draw your first layer on the layer1 canvas, and the...
Shorten string without cutting words in JavaScript
... string without cutting any word off. I know how to use substring, but not indexOf or anything really well.
23 Answers
...
Pandas conditional creation of a series/dataframe column
...trying to be set on a copy of a slice from a DataFrame. Try using .loc[row_indexer,col_indexer] = value instead
– denson
Oct 19 '16 at 16:48
...
Using node.js as a simple web server
... a very simple HTTP server. Every GET request to example.com should get index.html served to it but as a regular HTML page (i.e., same experience as when you read normal web pages).
...
Markdown and including multiple files
...ations_of_markdown.mdpp
chapters/conclusions.mdpp
You would then need an index.mdpp that contained the following:
!INCLUDE "chapters/preface.mdpp"
!INCLUDE "chapters/introduction.mdpp"
!INCLUDE "chapters/why_markdown_is_useful.mdpp"
!INCLUDE "chapters/limitations_of_markdown.mdpp"
!INCLUDE "chapt...