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Ruby, remove last N characters from a string?
... 2.5 you can use delete_suffix or delete_suffix! to achieve this in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'...
How to print a int64_t type in C
C99 standard has integer types with bytes size like int64_t. I am using the following code:
6 Answers
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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...pplication. The variable $foo has a certain scope within which it is valid and only code in the same scope has access to the variable.
How is a scope defined in PHP?
Very simple: PHP has function scope. That's the only kind of scope separator that exists in PHP. Variables inside a function are onl...
How to validate phone numbers using regex
...ogether a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following:
...
How to supply value to an annotation from a Constant java
I am thinking this may not be possible in Java because annotation and its parameters are resolved at compile time. I have an interface as follows,
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...one this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is fairly long) achieves close to optimal on my Core i7 2600K.
The key thing to note here is the massive amount of manual loop-unrolling as well as interleaving of multiplies a...
Set Django IntegerField by choices=… name
...bject. Hard to find with Google too so thanks.
– Alexander Ljungberg
Jul 13 '09 at 13:54
1
FWIW, ...
Make a UIButton programmatically in Swift
...ion references a function that takes no parameter, the colon is not needed and may even cause an error if not removed.
– Dave G
Sep 2 '15 at 3:29
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Get epoch for a specific date using Javascript
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You can create a Date object, and call getTime on it:
new Date(2010, 6, 26).getTime() / 1000
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Force Java timezone as GMT/UTC
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Date dateValue = rs.getDate("DateColumn", tzCal);
// Other fields and calculations
}
Or, setting the date in a PreparedStatement:
Calendar tzCal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
PreparedStatement ps = conn.createPreparedStatement("update ...");
ps.setDate("DateColumn"...