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MongoDB: How to update multiple documents with a single command?
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didn't worked db.userActivity.find({ 'appId' : 1234, 'status' : 1}).update({ $set: { 'status': 1 } }); 2017-06-05T17:47:10.038+0530 E QUERY [thread1] TypeError: db.userActivity.find(...).update is not a function :
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Integer.toString(int i) vs String.valueOf(int i)
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String.valueOf(int) just calls Integer.toString(i) directly. So best to call Integer.toString(int).
– djchapm
May 21 '19 at 16:21
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jQuery: Test if checkbox is NOT checked
...ou want to iterate over checked elements use the parent element
$("#parentId").find("checkbox").each(function(){
if ($(this).prop('checked')==true){
//do something
}
});
More info:
This works well because all checkboxes have a property checked which stores the actual state of th...
What is the Git equivalent for revision number?
We use SVN at work, but for my personal projects I decided to use Git. So I installed Git yesterday, and I wonder what is the revision number equivalent in Git .
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What's the difference between “static” and “static inline” function?
...e instructs the compiler to attempt to embed the function content into the calling code instead of executing an actual call.
For small functions that are called frequently that can make a big performance difference.
However, this is only a "hint", and the compiler may ignore it, and most compilers...
Why is my Spring @Autowired field null?
... of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the application, a configurer system that injects objects' dependencies into them by matching up the dependencies with beans in the context...
How to get Vim to highlight non-ascii characters?
...NonPrintable()
setlocal enc=utf8
if search('[^\x00-\xff]') != 0
call matchadd('Error', '[^\x00-\xff]')
echo 'Non printable characters in text'
else
setlocal enc=latin1
echo 'All characters are printable'
endif
endfunction
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What is the global interpreter lock (GIL) in CPython?
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Good answer - basically it means that threads in Python are only good for blocking I/O; your app will never go above 1 CPU core of processor usage
– Ana Betts
Aug 18 '09 at 15:26
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How to change the default GCC compiler in Ubuntu?
.../g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3.3, I have to use the command gcc-3.3 .
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Callback functions in Java
Is there a way to pass a call back function in a Java method?
17 Answers
17
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