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Difference between freeze and seal
...ny time you like; you can also do this accidentally by mis-typing. Many of my students have tried to add an event handler called onClick or onlick and wondered why it’s not working. If JavaScript throws an error, then that’s one less thing to get wrong. Secondly, this allows you to implement con...
How can I open a cmd window in a specific location?
...otes is that it works for a shortcut. I keep a collection of shortcuts on my taskbar that each open a command prompt window in various project folders. In Windows 8, if you create a shortcut to start an elevated command prompt window, it ignores the "Start in" folder. The workaround is to place t...
How to check if object has any properties in JavaScript?
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Object.keys("mystring"); yields keys as well which I think is undesirable. This answer is incomplete in my opinion.
– Mike de Klerk
Sep 2 '17 at 17:15
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The most accurate way to check JS object's type?
...be this has changed over the years, but Object.prototype.toString.call(new MyCustomObject()) returns [object Object] whereas new MyCustomObject() instanceOf MyCustomObject returns true which is what I wanted (Chrome 54.0.2840.99 m)
– Maslow
Nov 18 '16 at 18:54
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PDO mysql: How to know if insert was successful
I'm using PDO to insert a record (mysql and php)
7 Answers
7
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Get all directories within directory nodejs
... very simple and dumb operation! Don't be verbose for the sake of it! Gets my +1 for sure!
– Mrchief
Nov 29 '16 at 21:25
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ASP.NET MVC 5 - Identity. How to get current ApplicationUser
I have an Article entity in my project which has the ApplicationUser property named Author . How can I get the full object of currently logged ApplicationUser ? While creating a new article, I have to set the Author property in Article to the current ApplicationUser .
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How to avoid annoying error “declared and not used”
.../goimports
# -w to write the source file instead of stdout
$ goimports -w my_file.go
You should be able to run this from any half-way decent editor − for example for Vim:
:!goimports -w %
The goimports page lists some commands for other editors, and you typically set it to be run automatically ...
When is an interface with a default method initialized?
...oned, nor does the presence of an abstract method trigger initialization.
My speculation is that the HotSpot implementation wanted to avoid adding class/interface initialization checking into the critical path of the invokevirtual call. Prior to Java 8 and default methods, invokevirtual could never...
How to print without newline or space?
...g trouble with buffering you can unbuffer all python output with python -u my.py. This is often a good idea if you want to watch progress in real-time.
– David Parks
Sep 15 at 23:30
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