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Why is 'false' used after this simple addEventListener function?
...es that the user wishes to
initiate capture. After initiating
capture, all events of the specified
type will be dispatched to the
registered listener before being
dispatched to any EventTargets beneath
it in the DOM tree. Events which are
bubbling upward through the tree will
not tri...
How to select following sibling/xml tag using xpath
I have an HTML file (from Newegg) and their HTML is organized like below. All of the data in their specifications table is ' desc ' while the titles of each section are in ' name. ' Below are two examples of data from Newegg pages.
...
Cleaning `Inf` values from an R dataframe
...ption 1
Use the fact that a data.frame is a list of columns, then use do.call to recreate a data.frame.
do.call(data.frame,lapply(DT, function(x) replace(x, is.infinite(x),NA)))
Option 2 -- data.table
You could use data.table and set. This avoids some internal copying.
DT <- data.table(dat)...
How does Spring Data JPA differ from Hibernate for large projects?
...a magic that helps with complex queries. It is strange at first and you totally skip it in the docs but it is really powerful and useful.
It involves creating a custom Repository and a custom `RepositoryImpl' and telling Spring where to find it. Here is an example:
Configuration class - point to y...
What is Cache-Control: private?
...getting the cached version for 15 seconds. If it's a corporate proxy, then all 67198 users hitting the same page in the same 15-second window will all get the same contents - all served from close cache. Performance win for everyone.
The virtue of adding Cache-Control: max-age is that the browser d...
Sass calculate percent minus px
...
I would say that calc() does not at all work in most browsers. Mobile platforms are just as important as desktops.
– dalgard
Feb 7 '13 at 15:10
...
XPath to find elements that does not have an id or class
How can I get all tr elements without id attribute?
4 Answers
4
...
Replacing NAs with latest non-NA value
... Use na.locf(cz, na.rm=FALSE) to keep leading NA.
– BallpointBen
May 17 '18 at 16:21
1
@Ballpoint...
How do I install a plugin for vim?
... that it's completely safe (symlinks don't overwrite existing files, uninstall only deletes symlinks) and easy to keep things updated.
# Easily install vim plugins from a source control checkout (e.g. Github)
#
# alias vim-install=rake -f ~/.vim/rakefile-vim-install
# vim-install
# vim-install unin...
How do I set a column value to NULL in SQL Server Management Studio?
...
I think @Zack properly answered the question but just to cover all the bases:
Update myTable set MyColumn = NULL
This would set the entire column to null as the Question Title asks.
To set a specific row on a specific column to null use:
Update myTable set MyColumn = NULL where Fi...