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How do I create directory if none exists using File class in Ruby?
... are not already present:
require 'fileutils'
dirname = File.dirname(some_path)
unless File.directory?(dirname)
FileUtils.mkdir_p(dirname)
end
Edit: Here is a solution using the core libraries only (reimplementing the wheel, not recommended)
dirname = File.dirname(some_path)
tokens = dirname....
Numpy: Get random set of rows from 2D array
...st, but this is what works best for me:
A[np.random.choice(A.shape[0], num_rows_2_sample, replace=False)]
change the replace=False to True to get the same thing, but with replacement.
share
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im...
How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
...ery it's works for me exactly
with cte as(
select ROW_NUMBER() over (order by repairid) as'RN', [RepairProductId] from [Ws_RepairList]
)
update CTE set [RepairProductId]= ISNULL([RepairProductId]+convert(nvarchar(10),RN),0) from cte
...
Starting the week on Monday with isoWeekday()
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Difference between two dates in MySQL
...FF() expects the beginning and ending time arguments to be in the opposite order than is expected by TIMESTAMPDIFF().
– L S
Jul 31 '17 at 20:12
1
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Is there a way to create a function from a string with javascript?
...github.com/reduardo7/sjsClass
Example
Class.extend('newClassName', {
__constructor: function() {
// ...
}
});
var x = new newClassName();
// Next is TRUE
newClassName.name === 'newClassName'
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Convert char to int in C#
...
No it doesn't, as long as the digits are in order (which compilers require of the charset) it will work, no matter what value they start on.
– Jeremy Ruten
Oct 27 '08 at 14:29
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Error : The service is invalid
...oose it after a reboot.
To prevent this, do a ldrestart(soft reboot).
In order to perform it, download a terminal application from Cydia, then type:
su
Input your password when asked, the default password is "alpine".
Then type
ldrestart
...
Convert JS object to JSON string
...
download this script in order for JSON.stringify(j); to work
– AabinGunz
Jul 21 '11 at 9:55
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How to remove all listeners in an element? [duplicate]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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