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How to take screenshot of a div with JavaScript?
I am building something called the "HTML Quiz". It's completely ran on JavaScript and it's pretty cool.
10 Answers
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Linear Regression and group by in R
...
fits <- lmList(response ~ year | state, data=d)
fits
#------------
Call: lmList(formula = response ~ year | state, data = d)
Coefficients:
(Intercept) year
CA -1.34420990 0.17139963
NY 0.00196176 -0.01852429
Degrees of freedom: 20 total; 16 residual
Residual standard error: 0.820...
Return None if Dictionary key is not available
...ldn't work out what I was doing wrong here.
– wobbily_col
Aug 23 '16 at 14:28
@TimPietzcker - can you please explain y...
Strange out of memory issue while loading an image to a Bitmap object
...te decode method based on your image data source. These methods attempt to allocate memory for the constructed bitmap and therefore can easily result in an OutOfMemory exception. Each type of decode method has additional signatures that let you specify decoding options via the BitmapFactory.Options ...
Regex doesn't work in String.matches()
I have this small piece of code
9 Answers
9
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Creating a ZIP Archive in Memory Using System.IO.Compression
...her version of zipping without writing any file.
string fileName = "export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".xlsx";
byte[] fileBytes = here is your file in bytes
byte[] compressedBytes;
string fileNameZip = "Export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".zip";
using (var outS...
Alternate output format for psql
...with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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Python: Find in list
...e which suffers from inaccuracy.
As for your second question: There's actually several possible ways if "finding" things in lists.
Checking if something is inside
This is the use case you describe: Checking whether something is inside a list or not. As you know, you can use the in operator for th...
What's the difference between HEAD, working tree and index, in Git?
... can follow through on or even whether it's a good idea, such as a conceptually demanding refactoring or changing a representation type — I checkpoint my work into the index.
If this is the first change I've made since my last commit, then I can use the local repository as a checkpoint, but often ...
json_encode is returning NULL?
...ser didn't solve my problem. For those in same situation, here is how I finally handled this error:
Just utf8_encode each of your results.
while($row = mysql_fetch_assoc($result)){
$rows[] = array_map('utf8_encode', $row);
}
Hope it helps!
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