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Javascript what is property in hasOwnProperty?
...ty returns a boolean value indicating whether the object on which you are calling it has a property with the name of the argument. For example:
var x = {
y: 10
};
console.log(x.hasOwnProperty("y")); //true
console.log(x.hasOwnProperty("z")); //false
However, it does not look at the prototype ...
A beginner's guide to SQL database design [closed]
...le, link to an address in a separate addresses table, for example.
I personally like having an integer or long surrogate key on each table (that holds data, not those that link different tables together, e,g., m:n relationships) that is the primary key.
I also like having a created and modified time...
How to hide columns in HTML table?
...want the column number to be dynamic, you could do that using querySelectorAll or any framework presenting similar functionality, like jQuery here:
$('#myTable tr > *:nth-child(2)').hide();
Demo with jQuery
(The jQuery solution also works on legacy browsers that don't support nth-child).
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What is the alternative for ~ (user's home directory) on Windows command prompt?
... Powershell, which I believe you can get on XP and later (and comes preinstalled with Win7), allows you to use ~ for home directory.
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Removing highcharts.com credits link
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You can customise the credits, changing the URL, text, Position etc. All the info is documented here: http://api.highcharts.com/highcharts/credits. To simply disable them altogether, use:
credits: {
enabled: false
},
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Pycharm: run only part of my Python file
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Very glad you added this answer! I'm sure all RStudio and Spyder users will appreciate this
– KenHBS
Aug 21 '17 at 14:18
3
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How can I exclude directories from grep -R?
I want to traverse all subdirectories, except the "node_modules" directory.
13 Answers
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How to make shallow git submodules?
Is it possible to have shallow submodules? I have a superproject with several submodules, each with a long history, so it gets unnecessarily big dragging all that history.
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Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
4 Answers
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How do I build a graphical user interface in C++? [closed]
All of my C++ programs so far have been using the command line interface and the only other language I have experience with is PHP which doesn't support GUIs.
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