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What is a monad?
... for each invocation (rather than single values), but merges the resulting set of arrays into a single array. So the end result is the same, the array [2,3,4].
(The function argument provided to a method like map or flatMap is often called a "callback" in JavaScript. I will call it the "operation" s...
Map enum in JPA with fixed values?
...king for the different ways to map an enum using JPA. I especially want to set the integer value of each enum entry and to save only the integer value.
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python: SyntaxError: EOL while scanning string literal
I have the above-mentioned error in s1="some very long string............"
15 Answers
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Can you do a partial checkout with Subversion?
...o it:
svn checkout --depth empty http://svnserver/trunk/proj
svn update --set-depth infinity proj/foo
svn update --set-depth infinity proj/bar
svn update --set-depth infinity proj/baz
Alternatively, --depth immediates instead of empty checks out files and directories in trunk/proj without their c...
Why are primes important in cryptography?
...rize an integer into its prime factors. Yet, it is very easy to check if a set of prime factors multiply to a certain integer.
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Setting different color for each series in scatter plot on matplotlib
Suppose I have three data sets:
7 Answers
7
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Go to beginning of line without opening new line in VI
For ages now I've used SHIFT O and SHIFT $ to move to the beginning and end of a line in vi .
10 Answers
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SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...位为像素。
可见
设置SVG图像是否可见，true为显示，false为隐藏。
方法
从网络加载(URL地址)
从网络URL加载SVG文件。(版本2中新增)
从字符串加载(SVG字符串)
从SVG字符串数据加载图像。
从文件加载(...
What do numbers using 0x notation mean?
...representation though, I guess similar to if we would agree that we have a set of numbers from 0--999 and that 1000--1999 would represent the negative numbers. My question was about human-readable notation, though knowing how computers do it might help someone else, so thanks :)
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
... I get following warning when doing new column creation like that: "SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame. Try using .loc[row_indexer,col_indexer] = value instead." Should I be worried about that? pandas v.0.15
– taras...