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How can a Java program get its own process ID?
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However, I get error: cannot find symbol for jdk9
– skytree
Sep 16 '17 at 19:25
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Numpy - add row to array
... double bracket to the second argument, otherwise, it will raise dimension error.
In here I am adding on matrix A
1 2 3
4 5 6
with a row
7 8 9
same usage in np.r_
A= [[1, 2, 3], [4, 5, 6]]
np.append(A, [[7, 8, 9]], axis=0)
>> array([[1, 2, 3],
[4, 5, 6],
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ASP.NET Identity - HttpContext has no extension method for GetOwinContext
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After trial and error comparing the using statements of my controller and the Asp.Net Template controller
using System.Web;
Solved the problem for me.
You are also going to need to add:
using Microsoft.AspNet.Identity;
using Microsoft.As...
Deleting queues in RabbitMQ
...se, calling queue.declare again with autodelete true will result in a soft error and the broker will close the channel.
You need to use queue.delete now in order to delete it.
See the API documentation for details:
Java Client queueDelete
.NET Client queueDelete
If you use another client, you...
How to convert string to boolean php
...ofcourse the lower one returns false. In fact, it throws a fatal :) "Fatal error: Only variables can be passed by reference". $a = 'False'; settype($a,'boolean'); var_dump($a); will indeed return false.
– Rob
Oct 24 '16 at 6:55
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Why are flag enums usually defined with hexadecimal values
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+1 with this notation you never do error in enum value calculations
– Sergey Berezovskiy
Nov 4 '12 at 21:04
1
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How do I concatenate multiple C++ strings on one line?
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The first example triggered an error for me if a string was previously declared as e.g. const char smthg[] = "smthg" :/ Is it a bug?
– Hi-Angel
Feb 19 '15 at 11:36
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Get value of c# dynamic property via string
...er "value" field exists, I'd get an object back that will not cast without error to Int64?.
– Triynko
Jan 27 '14 at 21:27
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How can I use swift in Terminal?
... As per XCode 6 Beta 5 the -i flag has been removed and will lead to an error. Just let it go and use #!/usr/bin/env xcrun swift instead.
– Jeehut
Aug 12 '14 at 17:46
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How do I URL encode a string
...ed answer, however in newest version of XCode (and IOS), it resulted in an error, so used the