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Using numpad in Vi (Vim) via PuTTY
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In the configuration, go to Terminal->Features and check "Disable
application keypad mode". Save the settings and enjoy a numeric pad
that works!
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Cannot push to Heroku because key fingerprint
I am new to Rails, and I was trying to deploy a very simple app to Heroku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error:
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“unary operator expected” error in Bash if condition
...Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on
if [[ $aug1 == "and" ]];
to compare the value of $aug1 with the string and.
If you use [ ... ], you always need to remember to double quote variables like this:
if [ "$aug1" = "and" ]...
Remove the bottom divider of an android ListView
... seems to no longer work starting with 4.4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced ...
URL encoding the space character: + or %20?
...paces with "+" instead of "%20". The MIME type of data encoded this way is application/x-www-form-urlencoded, and it is currently defined (still in a very outdated manner) in the HTML and XForms specifications.
So, the real percent encoding uses %20 while form data in URLs is in a modified form th...
Unique BooleanField value in Django?
... say that, don't ever trust save or clean methods if you are running a web application which you might take a few of requests to an endpoint at very same moment. You still must implement a safer way maybe on database level.
– u.unver34
Dec 30 '18 at 15:09
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Why is Swift compile time so slow?
... does recompile all your files each time, but the great thing now, is that Apple added real-time compilation feedback over the files it compiles, so Xcode 6 GM now shows which Swift files are being compiled and the status of compilation in real time as you can see in this screenshot:
So this come...
Linq: GroupBy, Sum and Count
...t "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group.
I think you just want:
List<ResultLine> result = Lines
.GroupBy(l => l.ProductCode)
.Select(cl => new ResultLine
{
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iOS 7 style Blur view
...e Bin Zhang's RWBlurPopover to do this. That component uses my GPUImage to apply a Gaussian blur to components underneath it, but you could just as easily use a CIGaussianBlur for the same. GPUImage might be a hair faster though.
That component relies on you being able to capture the view behind th...
How to set the title of DialogFragment?
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I believe Jason's approach bellow is more correct in the general case.
– Michel
Jan 6 '15 at 19:13
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