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How do I get the result of a command in a variable in windows?
I'm looking to get the result of a command as a variable in a Windows batch script (see how to get the result of a command in bash for the bash scripting equivalent). A solution that will work in a .bat file is preferred, but other common windows scripting solutions are also welcome.
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How to calculate age (in years) based on Date of Birth and getDate()
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There are issues with leap year/days and the following method, see the update below:
try this:
DECLARE @dob datetime
SET @dob='1992-01-09 00:00:00'
SELECT DATEDIFF(hour,@dob,GETDATE())/8766.0 AS AgeYearsDecimal
,CONVERT(int,ROUND(DATEDIFF(hour,@dob,GE...
How to find difference between two Joda-Time DateTimes in minutes
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No I disagree, it's too wordy and unclear: "The minutes minutes between punch time date time" is worse than "second date milliseconds minus first date milliseconds"
– Jonathan Neufeld
Feb 19 '15 at 23:11
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What is an unsigned char?
...ich gives you at least the 0 to 255 range.
"At least", because the C++ standard only gives the minimum range of values that each numeric type is required to cover. sizeof (char) is required to be 1 (i.e. one byte), but a byte could in theory be for example 32 bits. sizeof would still be report its...
Visual Studio jump to next error shortcut?
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F8 (and Shift+F8 to go backwards).
Or at least that's what it is in my keyboard profile - you can go to tools\options\environment\keyboard and check out Edit.GoToNextLocation.
Note If you configured Visual Studio using VB keybo...
How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
11 Answers
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How to check if an email address exists without sending an email?
...determine if a recipient actually exists:
You can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can issue a RCPT, and see if the mail is rejected...
Getting attributes of a class
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Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For example,
class MyClass(object):
a = '12'
b = '34'
def myfunc(self):
return self.a
>>> import inspect
>>> inspect.getmembers(MyClass,...
Select random row from a sqlite table
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Have a look at Selecting a Random Row from an SQLite Table
SELECT * FROM table ORDER BY RANDOM() LIMIT 1;
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what is the most efficient way of counting occurrences in pandas?
...with size.)
In any case, value_counts has been specifically optimized to handle object type, like your words, so I doubt you'll do much better than that.
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