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ruby system command check exit code
...ion:
system returns true if the command gives zero exit status, false for
non zero exit status. Returns nil if command execution fails.
system("unknown command") #=> nil
system("echo foo") #=> true
system("echo foo | grep bar") #=> false
Furthermore
An error sta...
PHP mail function doesn't complete sending of e-mail
I've tried creating a simple mail form. The form itself is on my index.html page, but it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded.
The code submits perfectly, but never sends an email. How can I fix this?
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Preventing Laravel adding multiple records to a pivot table
I have a many to many relationship set up and working, to add an item to the cart I use:
5 Answers
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Are HTTPS headers encrypted?
...ted, however I hear mixed answers about whether the headers are encrypted, or how much of the header is encrypted.
8 Answer...
What are the differences between Helper and Utility classes?
How determine how call a class XHelper or XUtils ?
5 Answers
5
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“Insufficient Storage Available” even there is lot of free space in device memory
...MB. In Galaxy Note I , while updating my app, it's saying "Insufficient Storage Available", where there is 214 MB of free space in device memory (internal). It happens even trying to download a new app.
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Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
This error,
7 Answers
7
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Most efficient conversion of ResultSet to JSON?
...fast since it's just branches and basic tests. You could probably make it more elegant with a HashMap lookup to a callback but I doubt it would be any faster. As to memory, this is pretty slim as is.
Somehow I doubt this code is actually a critical bottle neck for memory or performance. Do you hav...
How can I convert a string to boolean in JavaScript?
...Value == 'true');
You could make it stricter by using the identity operator (===), which doesn't make any implicit type conversions when the compared variables have different types, instead of the equality operator (==).
var isTrueSet = (myValue === 'true');
Don't:
You should probably be cau...
Any difference between First Class Function and High Order Function
...wondering whether/what difference between First Class Function and High Order Function .
6 Answers
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