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SQL - many-to-many table primary key
...es are read far more often than written. That makes anything you do on the select side far more relevant than anything on the insert side.
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Copy all the lines to clipboard
...
on Mac
copy selected part: visually select text(type v or V in normal
mode) and type :w !pbcopy
copy the whole file :%w !pbcopy
past from the clipboard :r !pbpaste
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Remove duplicated rows
...tes, right? Or it removes values randomly?
– News_is_Selection_Bias
Aug 7 '17 at 0:43
@alphabetagamma yes, it keeps th...
How to split data into training/testing sets using sample function
...101) # Set Seed so that same sample can be reproduced in future also
# Now Selecting 75% of data as sample from total 'n' rows of the data
sample <- sample.int(n = nrow(data), size = floor(.75*nrow(data)), replace = F)
train <- data[sample, ]
test <- data[-sample, ]
By using caTools pa...
Xcode 5: Code signing entitlement errors
... This worked for me too. I am using Xcode 6.3. I was unable to select apple dev account for code signing. Totally unrelated error message was displayed everytime "ios app id 'xxxxxxxxx' does not support changes to the maps feature". A simple xcode restart fixed it for me.
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How do I restart a service on a remote machine in Windows? [closed]
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You can use the services console, clicking on the left hand side and then selecting the "Connect to another computer" option in the Action menu.
If you wish to use the command line only, you can use
sc \\machine stop <service>
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Underlining text in UIButton
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You can do it in the interface builder itself.
Select the attribute inspector
Change the title type from plain to attributed
Set appropriate font size and text alignment
Then select the title text and set the font as underlined
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How can I get WebStorm to recognize Jasmine methods?
...ed JS library stubs in Webstorm/PHPStorm/Idea
Open File > Settings...
Select Languages & Frameworks > JavaScript > Libraries
Click on Download...
Swich to TypeScript community stubs
Find karma-jasmine (originally under the name jasmine) (If this does not work, try jasmine instead...
Windows equivalent of the 'tail' command
...n*}"
Tail Command:
powershell -command "& {Get-Content *filename* | Select-Object -last *n*}"
or, directly from PowerShell:
Get-Content *filename* -TotalCount *n*
Get-Content *filename* | Select-Object -last *n*
update
PowerShell 3.0 (Windows 8 and higher) added Tail command with alias...
Error: allowDefinition='MachineToApplication' beyond application level
...rror just now when I attempted to open a project I created a while back by selecting "File", "Open Website" from the Visual Studio menus whereas I should have selected "File", "Open Project" instead. I facepalmed as soon as I realised :)
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