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How to copy from current position to the end of line in vi
...opy/paste between different instances, you can use the system clipboard by selecting the * register, so the commands become "*y$ for copying and "*p for pasting.
$ move-to-linebreak
$
y$ yank-to-linebreak
y,$
"*y$ select clipboard-register yank-to-linebreak
",*,y,$
"*p select clipboard-regist...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...ata.frame(a = 1:3, b=letters[1:3])
require(sqldf)
a1NotIna2 <- sqldf('SELECT * FROM a1 EXCEPT SELECT * FROM a2')
And the rows which are in both data frames:
a1Ina2 <- sqldf('SELECT * FROM a1 INTERSECT SELECT * FROM a2')
The new version of dplyr has a function, anti_join, for exactly the...
Switching to a TabBar tab view programmatically?
...
Try this code in Swift or Objective-C
Swift
self.tabBarController.selectedIndex = 1
Objective-C
[self.tabBarController setSelectedIndex:1];
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:first-child not working as expected
I'm trying to select the first h1 inside a div with a class called detail_container . It works if h1 is the first element within this div , but if it comes after this ul it won't work.
...
How to change font size in Eclipse for Java text editors?
...pect that you are changing the wrong preferences.
On the Eclipse toolbar, select Window → Preferences
Set the font size, General → Appearance → Colors and Fonts → Java → Java Editor Text Font).
Save the preferences.
Check that you do not have per-project preferences. These will override ...
iPhone Simulator suddenly started running very slow
...
Go to the simulator's Debug menu and select "Toggle Slow Animations".
Update: In Xcode 10, it's just "Slow Animations":
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MySQL Multiple Joins in one query?
...
You can simply add another join like this:
SELECT dashboard_data.headline, dashboard_data.message, dashboard_messages.image_id, images.filename
FROM dashboard_data
INNER JOIN dashboard_messages
ON dashboard_message_id = dashboard_messages.id
INNER JO...
How can I set the PHP version in PHPStorm?
...ndows:
File -> Settings -> Languages & Frameworks > PHP
then select your PHP version, for example, 7.0
This is very useful when your local system runs PHP 7.0, for example, but production is running PHP 5.5.
That way PhpStorm will warn you which parts will not work in production, show ...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...tep 1: Add VBA reference to "Microsoft VBScript Regular Expressions 5.5"
Select "Developer" tab (I don't have this tab what do I do?)
Select "Visual Basic" icon from 'Code' ribbon section
In "Microsoft Visual Basic for Applications" window select "Tools" from the top menu.
Select "References"
Chec...
unsigned APK can not be installed
...ps.)
Install your app onto the emulator.
Once it is installed goto DDMS, select the current running app under the devices window. This will then show all the files related to it under the file explorer.
Under file explorer go to data->app and select your APK (which is the package name of the ap...