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Can I set null as the default value for a @Value in Spring?
...lValue of the PropertyPlaceholderConfigurer. For the example I'm using the string @null but you can also use the empty string as nullValue.
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<!-- config the location(s) of the p...
Why does GitHub recommend HTTPS over SSH?
... accessible using HTTPS than SSH.
In my view SSH keys are worth the little extra work in creating them
SSH Keys do not provide access to your GitHub account, so your account cannot be hijacked if your key is stolen.
Using a strong keyphrase with your SSH key limits any misuse, even if your key get...
How to dismiss keyboard for UITextView with return key?
...tView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
if([text isEqualToString:@"\n"]) {
[textView resignFirstResponder];
return NO;
}
return YES;
}
Swift 4.0 update:
func textView(_ textView: UITextView, shouldChangeTextIn range:...
HttpClient.GetAsync(…) never returns when using await/async
...e Async calls in a Task.Run. So as I understand it, this is going to use 1 extra thread per request and avoids the deadlock. I assume that to be completely compliant, I need to use WebClient's sync methods. That is a lot of work to justify so I'll need a compelling reason not stick with my current a...
How can I test https connections with Django as easily as I can non-https connections using 'runserv
...ert.key which can then be reused for future sessions.
There is a bunch of extra stuff included in django-extensions that you may find of use so it is worth having a quick flick through the docs.
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How to add a button to PreferenceScreen
...nt);
buttonDone = new Button(this);
buttonDone.setText(R.string.filterButton_Done);
buttonDone.setLayoutParams(new LayoutParams(width/2, LayoutParams.WRAP_CONTENT));
gradientView.addView(buttonDone);
buttonRevert = new Button(this);
buttonRevert.s...
Is short-circuiting logical operators mandated? And evaluation order?
...nt after the evaluation of the first expression (12).
In C++ there is an extra trap: short-circuiting does NOT apply to types that overload operators || and &&.
Footnote 12: The operators indicated in this paragraph are the built-in operators, as described in clause 5. When one of thes...
What do querySelectorAll and getElementsBy* methods return?
...mentsByClassName
The getElementsByClassName(classNames) method takes a string that
contains an unordered set of unique space-separated tokens
representing classes. When called, the method must return a live
NodeList object containing all the elements in the document that
have all the cla...
Using new line(\n) in string and rendering the same in HTML
I have a string say
5 Answers
5
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In CMake, how can I test if the compiler is Clang?
... avoid any misspelling problem, I am using Case-insensitive compare, like:
string( TOLOWER "${CMAKE_CXX_COMPILER_ID}" COMPILER_ID )
if (COMPILER_ID STREQUAL "clang")
set(IS_CLANG_BUILD true)
else ()
set(IS_CLANG_BUILD false)
endif ()
For making the regex of MATCHES case-insensitive, I tried...