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Swift: Testing optionals for nil
...ing with possXYZ (the unwrapped value of xyz)
} else {
// do something now that we know xyz is .None
}
This way you can both test if xyz contains a value and if so, immediately work with that value.
With regards to your compiler error, the type UInt8 is not optional (note no '?') and therefor...
How can I prevent the scrollbar overlaying content in IE10?
...ses the scrollbars to become transparent. Makes sense, since
the content now takes up the whole screen.
In this scenario, adding:
overflow-y: auto;
makes the scrollbars auto-hide
And in bootstraps responsive-utilities.less file, line 21 you can find the following CSS code
// IE1...
How to convert a selection to lowercase or uppercase in Sublime Text
...or lowercase.
Method 1 (Two keys pressed at a time)
Press Ctrl and hold.
Now press K, release K while holding Ctrl. (Do not release the Ctrl key)
Immediately, press U (for uppercase) OR L (for lowercase) with Ctrl still being pressed, then release all pressed keys.
Method 2 (3 keys pressed at a t...
Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer
... the "Linux" crypto backend.
Beginning with Git for Windows 2.14, you can now configure Git to use SChannel, the built-in Windows networking layer as the crypto backend. This means that you it will use the Windows certificate storage mechanism and you do not need to explicitly configure the curl CA...
How do I view an older version of an SVN file?
I have an SVN file which is now missing some logic and so I need to go back about 40 revisions to the time when it had the logic I need. Other than trying to view a diff of the file in the command line ( very hard to read ), is there any way I could get a copy of that file to review so I can study i...
Is there any “font smoothing” in Google Chrome?
...n (unproven) solution that recommends using only TTF/OTF fonts as they are now supported by nearly all browsers.
3.) The Google Chrome developer team works on that issue. As there have been several huge changes in the rendering engine there's obviously something in progress.
I've written a large b...
How to navigate through textfields (Next / Done Buttons)
... it. Benefits:
Closer to OSX textfield implementation where a textfield knows where the focus should go next
Does not rely on setting or using tags -- which are, IMO fragile for this use case
Can be extended to work with both UITextField and UITextView controls -- or any keyboard entry UI control
...
Get and Set a Single Cookie with Node.js HTTP Server
... with the suggestion of using Express's cookie parser. But, that answer is now 3 years old and is out of date.
Using Express, you can read a cookie as follows
var express = require('express');
var cookieParser = require('cookie-parser');
var app = express();
app.use(cookieParser());
app.get('/my...
Why are regular expressions so controversial? [closed]
When exploring regular expressions (otherwise known as RegEx-es), there are many individuals who seem to see regular expressions as the Holy Grail. Something that looks so complicated - just must be the answer to any question. They tend to think that every problem is solvable using regular express...
Calculate the number of business days between two dates?
... lastDay.DayOfWeek == DayOfWeek.Sunday
? 7 : (int)lastDay.DayOfWeek;
Now the result is:
Friday to Friday -> 1
Saturday to Saturday -> 0
Sunday to Sunday -> 0
Friday to Saturday -> 1
Friday to Sunday -> 1
Friday to Monday -> 2
Saturday to Monday -> 1
Sunday to Monday ->...