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How do I check the difference, in seconds, between two dates?
... = "%H:%M:%S"
# You could also pass datetime.time object in this part and convert it to string.
time_start = str('09:00:00')
time_end = str('18:00:00')
# Then get the difference here.
diff = datetime.strptime(time_end, date_format) - datetime.strptime(time_start, date_format)
# Get the time ...
Join vs. sub-query
... Yes, most databases therefore includes it as an optimization step to convert subqueries into joins when it is analyzing your query.
– Cine
May 28 '10 at 9:38
17
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Install Gem from Github Branch?
... the transmits data without encryption warning that I'm looking to avoid. Converting to a git: identifier with https might not be enough, as I also have a branch to specify.
– Pysis
Dec 7 '17 at 15:07
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Are email addresses case sensitive?
...probably the best way to go, but I've seen code where the email address is converted to lower case prior to sending. That's not a good idea, since there is a small chance it will not get delivered. So how you treat it depends on what the consequences of error are and what you're doing with the email...
WaitAll vs WhenAll
What is the difference between Task.WaitAll() and Task.WhenAll() from the Async CTP ?
Can you provide some sample code to illustrate the different use cases ?
...
Copy constructor versus Clone()
...uld one implement the copy constructor, or rather derive from ICloneable and implement the Clone() method?
11 Answers...
Why does the 260 character path length limit exist in Windows?
... drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>" represents the invisible terminating null character for the current system codep...
Scripting Language vs Programming Language [closed]
...rs, TCL etc.,
*** But there are situation where a programming language is converted to interpreter and vice-verse like use have a C interpreter where you can 'C' Script.
Scripts are generally written to control an application behaviour where as Programming Language is use to build applications....
LaTeX Optional Arguments
How do you create a command with optional arguments in LaTeX?
Something like:
6 Answers
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How to create json by JavaScript for loop?
...ough for loop and generate valid JSON string. I use evalJSON() function to convert JSON string to JavaScript object.
Here is example code. Tryout on your FireBug Console
var key = ["color", "size", "fabric"];
var value = ["Black", "XL", "Cotton"];
var json = "{ ";
for(var i = 0; i < key.length...