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Get environment variable value in Dockerfile
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414
You should use the ARG directive in your Dockerfile which is meant for this purpose.
The A...
How to determine if an NSDate is today?
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edited Apr 12 '17 at 6:46
answered Mar 24 '14 at 3:34
Ca...
Replace a character at a specific index in a string?
...replaced.
String myName = "domanokz";
String newName = myName.substring(0,4)+'x'+myName.substring(5);
Or you can use a StringBuilder:
StringBuilder myName = new StringBuilder("domanokz");
myName.setCharAt(4, 'x');
System.out.println(myName);
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iOS: UIButton resize according to text length
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14 Answers
14
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Difference between toFixed() and toPrecision()?
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134
toFixed(n) provides n length after the decimal point; toPrecision(x) provides x total length.
R...
How do I add an existing directory tree to a project in Visual Studio?
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1475
You need to put your directory structure in your project directory. And then click "Show All F...
What's a concise way to check that environment variables are set in a Unix shell script?
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14 Answers
14
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How do you display JavaScript datetime in 12 hour AM/PM format?
... WasiF
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answered Jan 17 '12 at 1:08
bbramebbrame
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Read a variable in bash with a default value
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answered Apr 15 '10 at 3:45
ghostdog74ghostdog74
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