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Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
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How can I exclude all “permission denied” messages from “find”?
... be largely hypothetical.
* If your system is configured to show localized error messages, prefix the find calls below with LC_ALL=C (LC_ALL=C find ...) to ensure that English messages are reported, so that grep -v 'Permission denied' works as intended. Invariably, however, any error messages that d...
Telling gcc directly to link a library statically
It feels strange to me to use -Wl,-Bstatic in order to tell gcc which libraries I want to link with statically. After all I'm telling gcc directly all other information about linking with libraries ( -Ldir , -llibname ).
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What do hjust and vjust do when making a plot using ggplot?
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I have tried that, and I get Error in grid.Call("L_textBounds", as.graphicsAnnot(x$label), x$x, x$y, : Polygon edge not found (zero-width or zero-height?) for vjust = .72 and higher.
– William Gunn
Sep 3 '11 at ...
How to store a list in a column of a database table
...uestion.
– JnBrymn
Jun 18 '10 at 15:05
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“[…] and you won't be derided by other SQL developer...
PHP passing $_GET in linux command prompt
...TML with <br /> rather than just \n. This applies to all notices and errors as well, e.g. <b>Notice</b>: Undefined index: testing in <b> ... </b><br />
– bafromca
Jan 19 '16 at 1:59
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Difference between API and ABI
...(int old_field);
#endif
Compiles and runs fine with:
cc='gcc -pedantic-errors -std=c89 -Wall -Wextra'
$cc -fPIC -c -o mylib.o mylib.c
$cc -L . -shared -o libmylib.so mylib.o
$cc -L . -o main.out main.c -lmylib
LD_LIBRARY_PATH=. ./main.out
Now, suppose that for v2 of the library, we want to add...
Escape double quotes in a string
... You can't type string foo = "Foo"bar"";, because that'll invoke a compile error. As for the adding part, in string size terms that is not true:
@"""".Length == "\"".Length == 1
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How can I save an image with PIL?
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The error regarding the file extension has been handled, you either use BMP (without the dot) or pass the output name with the extension already. Now to handle the error you need to properly modify your data in the frequency doma...
MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...像控件的对象结构
1 图像控件的数据成员
m_hImageList连接图像对象的控件句柄
2 图像控件的建立方法
CImageList& ImageList建立图像控件对象结构，Create初始化图像列表并绑定对象，图像控件的建立方法如下
BOOL Create（int...