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How to do date/time comparison
...n.
The Add method adds a Time and a Duration, producing a Time.
Play example:
package main
import (
"fmt"
"time"
)
func inTimeSpan(start, end, check time.Time) bool {
return check.After(start) && check.Before(end)
}
func main() {
start, _ := time.Parse(time.RFC822, "0...
Repeat string to certain length
..., but yea, // might be microscopically faster, because it does the divide & floor in one command instead of two.
– Doyousketch2
Jan 15 '18 at 14:35
add a comment
...
Explanation of JSONB introduced by PostgreSQL
...alues can only be texts (however values can be sql NULLs too).
Both json & jsonb allows you to store a valid JSON value (defined in its spec).
F.ex. these are valid JSON representations: null, true, [1,false,"string",{"foo":"bar"}], {"foo":"bar","baz":[null]} - hstore is just a little subset c...
How to remove line breaks (no characters!) from the string?
...
You can also use PHP trim
This function returns a string with whitespace stripped from the beginning and end of str. Without the second parameter, trim() will strip these characters:
" " (ASCII 32 (0x20)), an ordinary space.
"\t...
sed or awk: delete n lines following a pattern
...
how to delete all lines after the pattern is matched ? I am using sed -e '/<!--#content end--></div>/,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
...
If Python is interpreted, what are .pyc files?
...ere are interpreters for C and C++ and there are compilers for JavaScript, PHP, Perl, Python and Ruby.) Besides, the majority of modern language implementations actually combine both an interpreter and a compiler (or even multiple compilers).
A language is just a set of abstract mathematical rules....
How does grep run so fast?
...skip forward in longer strides to achieve even better sublinear speeds:
Example:
# after running these twice to ensure apples-to-apples comparison
# (everything is in the buffer cache)
$ time grep -c 'tg=f_c' 20140910.log
28
0.168u 0.068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140...
What is the aspnet_client folder for under the IIS structure?
...using-master-pages-themes-and-caching/ch02s03_html?query=((aspnet_client))&reader=html&imagepage=#snippet
What is the aspnet_client folder in my ASP.NET website?
iis express path for global theme directory
http://my.safaribooksonline.com/book/web-development/microsoft-aspdotnet/0735621772/as...
Meaning of 'const' last in a function declaration of a class?
...;< std::endl;
}
};
int main()
{
MyClass cc;
const MyClass& ccc = cc;
cc.Foo();
ccc.Foo();
}
This will output
Foo
Foo const
In the non-const method you can change the instance members, which you cannot do in the const version. If you change the method declaration in ...
Get querystring from URL using jQuery [duplicate]
... window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
for(var i = 0; i < hashes.length; i++)
{
hash = hashes[i].split('=');
vars.push(hash[0]);
vars[hash[0]] = hash[1];
}
return vars;
}
For example, if you have the URL:
http:...
