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What is an unsigned char?
In C/C++, what an unsigned char is used for? How is it different from a regular char ?
17 Answers
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CardView layout_width=“match_parent” does not match parent RecyclerView width
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The docs for inflate:
Inflate a new view hierarchy from the specified xml resource. Throws
InflateException if there is an error.
Parameters
resource ID for an XML layout resource to load (e.g.,
R.layout.main_page) root
view to be the parent of the
generated h...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
......
You should check the logs on the heroku server heroku logs run that from the console and it will tell you the exact error.
When you push to heroku you need to configure the environment.rb file with the heroku subdomain:
config.action_mailer.default_url_options = { :host => 'yourapp.herok...
How to convert an image to base64 encoding?
Can you please guide me how can I convert an image from a URL to base64 encoding?
9 Answers
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Windows batch script launch program and exit console
...application path.
Added explanation:
Normally when we launch a program from a batch file like below, we'll have the black windows at the background like OP said.
%SystemRoot%\Notepad.exe
This was cause by Notepad running in same command prompt (process). The command prompt will close AFTER no...
How to declare std::unique_ptr and what is the use of it?
...:unique_ptr works and for that I found this document. The author starts from the following example:
4 Answers
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How does git merge after cherry-pick work?
...cherry-picked commits in history twice.
Solution to prevent this I quote from article which recommends for branches with duplicate(cherry-picked) commits use rebase before merge:
git merge after git cherry-pick: avoiding duplicate commits
Imagine we have the master branch and a branch b:...
How to set the text color of TextView in code?
...e:
holder.text.setTextColor(Color.RED);
You can use various functions from the Color class to get the same effect of course.
Color.parseColor (Manual) (like LEX uses)
text.setTextColor(Color.parseColor("#FFFFFF"));
Color.rgb and Color.argb (Manual rgb) (Manual argb) (like Ganapathy uses)
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Printf width specifier to maintain precision of floating-point value
...ot adequate for your example of distinguishing 1.000_0000_0000_0000_2e-01 from 1.000_0000_0000_0000_3e-01. %.17g is needed.
– Don Hatch
Jun 14 '16 at 1:03
1
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Spring MVC: Complex object as GET @RequestParam
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I will add some short example from me.
The DTO class:
public class SearchDTO {
private Long id[];
public Long[] getId() {
return id;
}
public void setId(Long[] id) {
this.id = id;
}
// reflection toString from a...