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How to delete SQLite database from Android programmatically
...pt launch adb which in turns runs a shell script in the Android space to do the database deletion? Can I get this done from within a JUnit test case (with a system() call)?
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Should it be “Arrange-Assert-Act-Assert”?
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This is not the most common thing to do, but still common enough to have its own name. This technique is called Guard Assertion. You can find a detailed description of it on page 490 in the excellent book xUnit Test Patterns by Gerard Meszaros (highly recommende...
How to add a touch event to a UIView?
How do I add a touch event to a UIView?
I try:
15 Answers
15
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How do I change the default author and committer in the Eclipse Git plugin?
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Click Window > Preferences > Team > Git > Configuration
Click Add Entry and enter the key value pairs:
Key: user.name
Value: YourUsernameHere
And
Key: user.email
Value: YourEmailHere
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Is it possible to set code behind a resource dictionary in WPF for event handling?
...on you declare it in XAML. The event handling code for the button click is done in the code file behind the control. If I was to create a data template with a button how can I write the event handler code for it's button click within the resource dictionary.
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Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready
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The simplest thing to do in the absence of a framework that does all the cross-browser compatibility for you is to just put a call to your code at the end of the body. This is faster to execute than an onload handler because this waits only for t...
What is the purpose of Rank2Types?
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Do not functions in Haskell already support polymorphic arguments?
They do, but only of rank 1. This means that while you can write a function that takes different types of arguments without this extension, you can't write ...
Do I need a content-type header for HTTP GET requests?
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@Epoc, The quoted message is at best implicit. It doesn't actually say that messages without entity-body SHOULD NOT include a Content-Type. Do we have an explicit quote?
– Pacerier
Dec 10 '14 at 11:53
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How to print a groupby object
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Simply do:
grouped_df = df.groupby('A')
for key, item in grouped_df:
print(grouped_df.get_group(key), "\n\n")
This also works,
grouped_df = df.groupby('A')
gb = grouped_df.groups
for key, values in gb.iteritems():
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Renaming files in a folder to sequential numbers
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Try to use a loop, let, and printf for the padding:
a=1
for i in *.jpg; do
new=$(printf "%04d.jpg" "$a") #04 pad to length of 4
mv -i -- "$i" "$new"
let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
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