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Filter rows which contain a certain string
...ics
# http://stat-computing.org/dataexpo/2009/the-data.html
df <- read_csv("Downloads/2008.csv")
print(dim(df))
# [1] 7009728 29
benchmark(
"str_detect" = {df %>% filter(str_detect(Dest, 'MCO|BWI'))},
"grepl" = {df %>% filter(grepl('MCO|BWI', Dest))},
replications = 10,
colum...
Why do I get a SyntaxError for a Unicode escape in my file path?
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f = open('C:\\Users\\Pooja\\Desktop\\trolldata.csv')
Use '\\' for python program in Python version 3 and above..
Error will be resolved..
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How to enter quotes in a Java string?
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This tiny java method will help you produce standard CSV text of a specific column.
public static String getStandardizedCsv(String columnText){
//contains line feed ?
boolean containsLineFeed = false;
if(columnText.contains("\n")){
containsLineFeed = true;...
How to disable HTML button using JavaScript?
...#btnPlaceOrder').prop('disabled',false);
– Dominik Späte
Aug 10 '17 at 12:57
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How can I reorder my divs using only CSS?
Given a template where the HTML cannot be modified because of other requirements, how is it possible to display (rearrange) a div above another div when they are not in that order in the HTML? Both div s contain data that varies in height and width.
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How to kill a process running on particular port in Linux?
...ilegues to get process names via netstat.
– Jonas Schäfer
Jul 20 '12 at 16:46
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@JonasWielicki y...
[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...iew选项，可以包含基本打印及打印预览的支持，应用程序文件菜单中会生成两个菜单项分别是打印（标识符ID_FILE_PRINT）和打印预览(标识符：ID_FILE_PRINT_PREVIEW)，展开程序源代码，可以发现，是CVIEW类提供标准打印和打印预览菜单...
How to retrieve the hash for the current commit in Git?
... object name. Otherwise barf and abort.
– Linus Unnebäck
Jul 24 '11 at 17:50
661
git rev-parse -...
How to get the build/version number of your Android application?
...se BuildConfig.VERSION_** as suggested here.
– Timo Bähr
Jun 20 '16 at 12:23
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A python class that acts like dict
...dited Oct 19 '12 at 15:21
Kim Gräsman
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answered Oct 25 '10 at 13:39
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