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Platform independent size_t Format specifiers in c?
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123
Yes: use the z length modifier:
size_t size = sizeof(char);
printf("the size is %zu\n", size)...
Extracting the last n characters from a ruby string
...e a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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Remove file extension from a file name string
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String.LastIndexOf would work.
string fileName= "abc.123.txt";
int fileExtPos = fileName.LastIndexOf(".");
if (fileExtPos >= 0 )
fileName= fileName.Substring(0, fileExtPos);
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Output first 100 characters in a string
...o handle this. Here are some examples.
The formatting code '%s' converts '12345' to a string, but it's already a string.
>>> '%s' % '12345'
'12345'
'%.3s' specifies to use only the first three characters.
>>> '%.3s' % '12345'
'123'
'%.7s' says to use the first seven charac...
What's an elegant way to conditionally add a class to an HTML element in a view?
...ass_names({ foo: true, bar: false })
# => "foo"
class_names(nil, false, 123, "", "foo", { bar: true })
# => "123 foo bar"
Sources:
Link to the corresponding PR.
Link to the class_names docs.
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How do I put a variable inside a string?
...('hanning{0}{1}{2}.pdf'.format(*nums))
Would result in the string hanning123.pdf. This can be done with any array.
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How to enable external request in IIS Express?
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123
In case of a 503 Error, see this: stackoverflow.com/questions/5442551/…
– deerchao
Oct 12 '12 at ...
TSQL - Cast string to integer or return default value
...ARE @Test TABLE(Value nvarchar(50)) -- Result
INSERT INTO @Test SELECT '1234' -- 1234
INSERT INTO @Test SELECT '1,234' -- 1234
INSERT INTO @Test SELECT '1234.0' -- 1234
INSERT INTO @Test SELECT '-1234' -- -1234
INSERT INTO @Test SELECT '$1234' -- ...
How to spread django unit tests over multiple files?
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123
Note that this approach is no longer valid from Django 1.6, see this post.
You can create tes...
Spring mvc @PathVariable
...nt to write a url to fetch some order, you can say
www.mydomain.com/order/123
where 123 is orderId.
So now the url you will use in spring mvc controller would look like
/order/{orderId}
Now order id can be declared a path variable
@RequestMapping(value = " /order/{orderId}", method=RequestMe...
