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Use of def, val, and var in scala
... new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This:
6 Answers...
A reference to the dll could not be added
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The following worked for me:
Short answer
Run the following via command line (cmd):
TlbImp.exe cvextern.dll //where cvextern.dll is your dll you want to fix.
And a valid dll will be created for you.
Longer answer
Open cmd
Find TlbImp.exe. Probably located in C:\Program Files (x86...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...or(Color.BLACK), or whatever color you want to clear your Canvas with.
And: how can I update just a part of the screen ?
There is no such method that just update a "part of the screen" since Android OS is redrawing every pixel when updating the screen. But, when you're not clearing old drawing...
Gulp command not found after install
I installed gulp(globally) and it looks like it worked because it ran this code:
11 Answers
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How to check that an object is empty in PHP?
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You can cast to an array and then check if it is empty or not
$arr = (array)$obj;
if (!$arr) {
// do stuff
}
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Set Value of Input Using Javascript Function
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And yet he gave the correct answer. There are newbies that will find this question based on this answer.
– Matthew Nichols
May 9 '16 at 12:38
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AngularJS validation with no enclosing
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This helped me out too. I was pulling my hair out and stumbled over this. Thank you!
– Alex McCabe
Jan 23 '15 at 11:17
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Insert code into the page context using a content script
...e exposed page script directly, you have to use them in the content script and communicate to the exposed page script via a special DOM CustomEvent handler, example one and two. If you don't have to use chrome.* APIs, simply inject all of your JS code in the page by adding a <script> tag as sh...
Downloading an entire S3 bucket?
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AWS CLI
See the "AWS CLI Command Reference" for more information.
AWS recently released their Command Line Tools, which work much like boto and can be installed using
sudo easy_install awscli
or
sudo pip install awscli
Once installed, you can th...
What's the difference between a Python module and a Python package?
What's the difference between a Python module and a Python package?
5 Answers
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