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Remove unused imports in Android Studio
...do same just pressing Ctrl+Alt+O, it will optimize imports of your current file and your entire project depends on your selection in a dialog.
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How to use php serialize() and unserialize()
...inator" that can be handled by things other than PHP, like databases, text files, sockets. The standard PHP function serialize is just a format to express such a thing, it serializes a data structure into a string representation that's unique to PHP and can be reversed into a PHP object using unseri...
H2 in-memory database. Table not found
...
how can we store data in the file instead of memory ?
– Suleman khan
Jan 11 '16 at 21:15
9
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How to write trycatch in R
...ion
Processed URL: xxxxx
Some other message at the end
Warning message:
In file(con, "r") : cannot open file 'xxxxx': No such file or directory
Investigating the output
> head(y[[1]])
[1] "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"
[2] "<html><head&...
How to send an email using PHP?
... // Set word wrap to 50 characters
$mail->addAttachment('/var/tmp/file.tar.gz'); // Add attachments
$mail->addAttachment('/tmp/image.jpg', 'new.jpg'); // Optional name
$mail->isHTML(true); // Set email format to HTML
$mail->Subject = 'He...
How to determine function name from inside a function
...describe the call stack. For instance, ${FUNCNAME[$i]} was called from the file ${BASH_SOURCE[$i+1]} at line number ${BASH_LINENO[$i]}. The caller builtin displays the current call stack using this information.
When bash arrays are accessed without an index the first element of the array will be re...
Heroku free account limited?
... limited to 300 MB in total. Your application also has access to the local filesystem, which can serve as an ephemeral scratch space for that specific dyno, and should be able to store at least 1 GB of data.
There is a 2TB/month limit on bandwidth.
...
Executing a command stored in a variable from PowerShell
...cmd1
Here is a working example on my machine:
$cmd = "& 'C:\Program Files\7-zip\7z.exe' a -tzip c:\temp\test.zip c:\temp\test.txt"
Invoke-Expression $cmd
iex is an alias for Invoke-Expression so you could do:
iex $cmd1
For a full list :
Visit https://ss64.com/ps/ for more Powershell st...
Merging two images in C#/.NET
...er a frame of a video:
Image playbutton;
try
{
playbutton = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
Image frame;
try
{
frame = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
using (frame)
{
using (var bitmap = new Bitmap(w...
Can I exclude some concrete urls from inside ?
...ough a filter like GuiceFilter):
Map the folder with your static resource files to the default servlet. Create a servlet filter and put it before the GuiceFilter in your web.xml. In your created filter, you can separate between forwarding some requests to the GuiceFilter and others directly to the ...