大约有 40,000 项符合查询结果（耗时：0.0587秒） [XML]
Can Protractor and Karma be used together?
... to add minimal Karma setup to any project with one single command npm install min-karma.
I'd like to clarify some possible misconceptions about Karma and Protractor. Karma FAQ actually does refer to Adapter for Angular's Scenario Runner, which, however, seems to be abandoned, with Protractor bei...
Difference between break and continue statement
...necessary to exit a loop before the loop has finished fully iterating over all the step values. For example, looping over a list of numbers until you find a number that satisfies a certain condition. Or looping over a stream of characters from a file until a certain character is read.
In the follow...
Generate random numbers following a normal distribution in C/C++
...iform) random numbers, and by applying an formula to them, you get two normally distributed random numbers. Return one, and save the other for the next request for a random number.
share
|
improve ...
How do I set a column value to NULL in SQL Server Management Studio?
...
I think @Zack properly answered the question but just to cover all the bases:
Update myTable set MyColumn = NULL
This would set the entire column to null as the Question Title asks.
To set a specific row on a specific column to null use:
Update myTable set MyColumn = NULL where Fi...
What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...demo = (Demo) clazz.newInstance();
}
}
As explained in its javadoc, calling Class.forName(String) returns the Class object associated with the class or interface with the given string name i.e. it returns test.Demo.class which is affected to the clazz variable of type Class.
Then, calling cla...
Rails extending ActiveRecord::Base
...the ActiveSupport::Concern documentation for more details.
Create a file called active_record_extension.rb in the lib directory.
require 'active_support/concern'
module ActiveRecordExtension
extend ActiveSupport::Concern
# add your instance methods here
def foo
"foo"
end
# add y...
Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...the memory pointers are the same. So we know what is going on now. Additionally you can find NSLayoutConstraint in view hierarchy. Since it is selected in View, it selected in Navigator also.
If you need you may also print it on console using address pointer:
(lldb) po 0x17dce920
<UIView: 0x1...
{version} wildcard in MVC4 Bundle
...e have bundles. While defining the bundles we can use wildcards like * for all files in a folder.
3 Answers
...
Difference between sh and bash
When writing shell programs, we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
...
Optimizing away a “while(1);” in C++0x
...
Does someone have a good explanation of why this was necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
...