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Check number of arguments passed to a Bash script
I would like my Bash script to print an error message if the required argument count is not met.
10 Answers
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How do you effectively model inheritance in a database?
... key to the base class table; the derived table's class contains only the different elements.
So for example:
class Person {
public int ID;
public string FirstName;
public string LastName;
}
class Employee : Person {
public DateTime StartDate;
}
Would result in tables like:
tab...
How do you get an iPhone's device name
If you open Settings -> General -> About , it'll say Bob's iPhone at the top of the screen. How do you programmatically grab that name?
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JUnit assertEquals(double expected, double actual, double epsilon) [duplicate]
...ot be exactly equal. Epsilon lets you describe how close they have to be.
If you were expecting 3.14159 but would take anywhere from 3.14059 to 3.14259 (that is, within 0.001), then you should write something like
double myPi = 22.0d / 7.0d; //Don't use this in real life!
assertEquals(3.14159, myP...
How can I stop float left?
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Yes, if you want to override an existing CSS entry float: left (or right) then this is the solution.
– Alexis Wilke
Jul 5 '15 at 6:13
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How to set xlim and ylim for a subplot in matplotlib [duplicate]
I would like to limit the X and Y axis in matplotlib but for a speific subplot. As I can see
subplot figure itself doesn't have any axis property. I want for example to change only the limits for the second plot!
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Android Hello-World compile error: Intellij cannot find aapt
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If you're getting this and executing aapt directly also says file not found, you may be having a 64-bit issue: link
– Tomas
Jun 2 '13 at 7:07
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
...OLUMN your_column NVARCHAR(42) as it will default to allowing nulls anyway if not specified explicitly otherwise.
– Martin Smith
Feb 13 '16 at 15:53
3
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Android file chooser [closed]
... I think it suits me.
But how can I force user to install OI file manager?
If I cannot , is there a better way to include a file manager in my app?
Thx
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What is the Gradle artifact dependency graph command?
... one that everyone else depends on) and not in the main project...not sure if that is bad or good at this point.
– Dean Hiller
Sep 5 '12 at 21:15
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