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How can I convert an image into a Base64 string?
...aos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 100, baos); // bm is the bitmap object
byte[] b = baos.toByteArray();
* Update *
If you're using an older SDK library (because you want it to work on phones with older versions of the OS) you won't have the Base64 class pa...
UITableViewCell with UITextView height in iOS 7?
...xPath];
else
// return your normal height here:
return 100.0;
}
2. Define the function that calculated the needed height:
Add an NSMutableDictionary (in this example called textViews) as an instance variable to your UITableViewController subclass.
Use this dictionary ...
How do I replace NA values with zeros in an R dataframe?
...n @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 2
3 1 1 6 3 6 NA 1 4 1 6
4 NA 4 NA 7 10 2 NA 4 1 8...
Start thread with member function
...= w->member1Thread();
std::thread tw2 = w->member2Thread("hello", 100);
tw1.join();
tw2.join();
return 0;
}
Compiling with g++ produces the following result
g++ -Wall -std=c++11 hello.cc -o hello -pthread
i am member1
i am member2 and my first arg is (hello) and second arg is (...
How to add extra info to copied web text
...ut(function () {
document.body.removeChild(newdiv);
}, 100);
}
document.addEventListener('copy', addLink);
2. Manipulating the clipboard
The idea is to watch the copy event and directly modify the clipboard data. This is possible using the clipboardData property. Note...
What is the standard way to add N seconds to datetime.time in Python?
...t get the time value.
For example:
import datetime
a = datetime.datetime(100,1,1,11,34,59)
b = a + datetime.timedelta(0,3) # days, seconds, then other fields.
print(a.time())
print(b.time())
results in the two values, three seconds apart:
11:34:59
11:35:02
You could also opt for the more read...
jQuery: click function exclude children.
...relative;
}
#childElement{
margin-top:50px;
margin-left:50px;
width:100px;
height:100px;
background-color:yellow;
position:absolute;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="parentElement">
<div id="chil...
Can I set a TTL for @Cacheable
...cheBuilder.newBuilder().expireAfterWrite(30, TimeUnit.MINUTES).maximumSize(100).build().asMap(), false);
}
};
return cacheManager;
}
@Override
public KeyGenerator keyGenerator() {
return new DefaultKeyGenerator();
}
}
...
Haskell: Lists, Arrays, Vectors, Sequences
...ng wording, because if you are making many modifications (like repeatedly (100k times) evolving 100k elements ) , then you do need ST/IO Vector to get acceptable performance,
– misterbee
Mar 9 '12 at 3:08
...
AngularJS passing data to $http.get request
.../www.your-website.com/api/users.json', {
params: {page: 1, limit: 100, sort: 'name', direction: 'desc'},
headers: {'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=='}
}
)
.then(function(response) {
// Request completed successfully
}, function(x) {
// Request error
})...