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How to send email from Terminal?
...
Go into Terminal and type man mail for help.
You will need to set SMTP up:
http://hints.macworld.com/article.php?story=20081217161612647
See also:
http://www.mactricksandtips.com/2008/09/send-mail-over-your-network.html
Eg:
mail -s "hello" "e...
How can I find the number of days between two Date objects in Ruby?
...subtracting two Date objects gives you a Rational that you may need to typecast into an integer, as with (endDate - beginDate).to_i
– MusikAnimal
Jun 24 '15 at 4:17
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The specified type member 'Date' is not supported in LINQ to Entities Exception
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LINQ to Entities cannot translate most .NET Date methods (including the casting you used) into SQL since there is no equivalent SQL.
The solution is to use the Date methods outside the LINQ statement and then pass in a value. It looks as if Convert.ToDateTime(rule.data).Date is causing the error...
get list of pandas dataframe columns based on data type
... mean it's not working, that actually means your DataFrame columns weren't cast to the type you think they should be, which can happen for a variety of reasons.
– Marc
Sep 5 '17 at 13:56
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What's the difference between Thread start() and Runnable run()
...ing) thread. No thread creation.
R1 r1 = new R1();
R2 r2 = new R2();
r1 and r2 are just two different objects of classes that implement the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread.
Second example: Two separate thr...
How can I check if a View exists in a Database?
...wName sysname
declare @cmd sysname
DECLARE check_cursor CURSOR FOR
SELECT cast('['+SCHEMA_NAME(schema_id)+'].['+name+']' as sysname) AS viewname
FROM sys.views
OPEN check_cursor
FETCH NEXT FROM check_cursor
INTO @viewName
WHILE @@FETCH_STATUS = 0
BEGIN
set @cmd='select * from '+@viewName
begin ...
Get object by id()? [duplicate]
... this can be done by ctypes:
import ctypes
a = "hello world"
print ctypes.cast(id(a), ctypes.py_object).value
output:
hello world
If you don't know whether the object is still there, this is a recipe for undefined behavior and weird crashes or worse, so be careful.
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Remove/hide a preference from the screen
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I just got the Category as a Preference, no cast, and removed it. Worked.
– Rob
Apr 3 '15 at 1:14
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Difference between java.util.Random and java.security.SecureRandom
My team got handed over some server side code (in Java) that generates random tokens and I have a question regarding the same -
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How to use find command to find all files with extensions from list?
...gif|png|jpeg)" > log
The -E saves you from having to escape the parens and pipes in your regex.
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