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How find all unused classes in Intellij Idea?
...ess Ctrl+Shift+A (in Mac Command+Shift+A)
Enter "unused declar"
Double-click on "Unused declaration"
Settings will pop up
Click on Java/Declaration redundancy/Unused declaration
on the right bottom select "On the fly editor settings"
untick check fields, ..., check parameters. Only Check Classes...
Django ModelForm: What is save(commit=False) used for?
... answered Oct 11 '12 at 21:19
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Java Generics (Wildcards)
...? super T> are examples of bounded wildcards. An unbounded wildcard looks like <?>, and basically means <? extends Object>. It loosely means the generic can be any type. A bounded wildcard (<? extends T> or <? super T>) places a restriction on the type by saying that it...
android get all contacts
...Cursor pCur = cr.query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
new String[]{id}, null);
while (pCur.moveToNex...
Match multiple cases classes in scala
I'm doing matching against some case classes and would like to handle two of the cases in the same way. Something like this:
...
How do I perform HTML decoding/encoding using Python/Django?
...he given HTML with ampersands, quotes and carets encoded."""
return mark_safe(force_unicode(html).replace('&', '&amp;').replace('<', '&l
t;').replace('>', '&gt;').replace('"', '&quot;').replace("'", '&#39;'))
To reverse this, the Cheetah function described in Jake...
Fastest way to check if a string is JSON in PHP?
I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way:
30 Answer...
What exactly do the Vagrant commands do?
...d, when you execute vagrant ssh to ssh into VM. It is utilizing it's well known ssh key. The information on this key is provided by vagrant ssh-config. This is useful in case you want to change the well know key to your own private key and prepare boxes to use that.
Also some times, you may want ...
Why I cannot cout a string?
Why I cannot cout string like this:
7 Answers
7
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\r\n, \r and \n what is the difference between them? [duplicate]
I need to ask about the difference in a string between \r\n , \r and \n . How is a string affected by each?
4 Answers
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