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How to cancel a local git commit
My issue is I have changed a file eg: README, added a new line ' this for my testing line ' and saved the file, then I issued the following commands
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How can I put a database under git (version control)?
I'm doing a web app, and I need to make a branch for some major changes, the thing is, these changes require changes to the database schema, so I'd like to put the entire database under git as well.
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
...s.
But, display width is most important if you are using ZEROFILL option, for example your table has following 2 columns:
A tinyint(2) zerofill
B tinyint(4) zerofill
both columns has the value of 1, output for column A would be 01 and 0001 for B, as seen in screenshot below :)
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Remove duplicated rows using dplyr
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Note: dplyr now contains the distinct function for this purpose.
Original answer below:
library(dplyr)
set.seed(123)
df <- data.frame(
x = sample(0:1, 10, replace = T),
y = sample(0:1, 10, replace = T),
z = 1:10
)
One approach would be to group, and then on...
What is the benefit of zerofill in MySQL?
I just want to know what is the benefit/usage of defining ZEROFILL for INT DataType in MySQL ?
9 Answers
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How do I detect if software keyboard is visible on Android Device or not?
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There is no direct way - see http://groups.google.com/group/android-platform/browse_thread/thread/1728f26f2334c060/5e4910f0d9eb898a where Dianne Hackborn from the Android team has replied. However, you can detect it indirectly by checking if the window size changed in #onMeasure. See How to check...
What are “res” and “req” parameters in Express functions?
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req is an object containing information about the HTTP request that raised the event. In response to req, you use res to send back the desired HTTP response.
Those parameters can be named anything. You could change that code to this if it's more clear:...
How to make a JSONP request from Javascript without JQuery?
... I think it's worth pointing out that the response should be of the form: foo(payload_of_json_data), the idea being that when it gets loaded into the script tag, it calls the foo function with the payload already as a javascript object and no parsing is necessary.
– Octo...
How to sort an ArrayList?
...ou want. Remember to import Collections though!
Here is the documentation for Collections.
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python .replace() regex [duplicate]
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More info would be nice for begginers
– Edson Horacio Junior
Jan 16 at 21:24
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