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How to create NS_OPTIONS-style bitmask enumerations in Swift?
..."multipleOptions has SecondOption")
}
let allOptions = MyOptions(rawValue: 7)
if allOptions.contains(.thirdOption) {
print("allOptions has ThirdOption")
}
Swift 2.0
In Swift 2.0, protocol extensions take care of most of the boilerplate for these, which are now imported as a struct that confor...
Render HTML to an image
...nsparent background from the command line
Using Chrome headless (version 74.0.3729.157 as of this response), it is actually easy:
"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" --headless --screenshot --window-size=256,256 --default-background-color=0 button.html
Explanation of ...
Replace a character at a specific index in a string?
...
578
String are immutable in Java. You can't change them.
You need to create a new string with the ...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
...
return results;
}
let duplicatedArray = [9, 9, 111, 2, 3, 4, 4, 5, 7];
console.log(`The duplicates in ${duplicatedArray} are ${findDuplicates(duplicatedArray)}`);
In case, if you are to return as a function for duplicates. This is for similar type of case.
Reference: https://stackov...
How to do something to each file in a directory with a batch script
...
yoel halb
9,76633 gold badges4242 silver badges4444 bronze badges
answered Oct 7 '08 at 22:51
Franci PenovFranci ...
How to find all the tables in MySQL with specific column names in them?
...y satifying :)
– Ken
Oct 20 '11 at 17:35
1
@Echo, for versions prior to 5 dump the structure to f...
How to increase the vertical split window size in Vim
...
Keith Pinson
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answered Dec 6 '10 at 16:39
Herbert SitzHerbert...
How to maintain aspect ratio using HTML IMG tag
...h attribute to 64. I need to show any image resolution (e.g. 256x256, 1024x768, 500x400, 205x246, etc.) as 64x64. But by setting the height and width attributes of an img tag to 64, it's not maintaining the aspect ratio, so the image looks distorted.
...
How do I determine whether an array contains a particular value in Java?
...
camickrcamickr
297k1717 gold badges143143 silver badges255255 bronze badges
...
How do I find out which keystore was used to sign an app?
...A
You will get certificate fingerprints like this:
MD5: B3:4F:BE:07:AA:78:24:DC:CA:92:36:FF:AE:8C:17:DB
SHA1: 16:59:E7:E3:0C:AA:7A:0D:F2:0D:05:20:12:A8:85:0B:32:C5:4F:68
Signature algorithm name: SHA1withRSA
Then use the keytool again to print out all the aliases of your signing...