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Javascript - removing undefined fields from an object [duplicate]
...ey => obj[key] === undefined && delete obj[key])
jsbin
Same example using if expression:
Object.keys(obj).forEach(key => {
if (obj[key] === undefined) {
delete obj[key];
}
});
If you want to remove the items from nested objects as well, you can use a recursive function:
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In a URL, should spaces be encoded using %20 or +? [duplicate]
In a URL, should I encode the spaces using %20 or + ? For example, in the following example, which one is correct?
6 Ans...
How do you auto format code in Visual Studio?
...These two are Edit.FormatSelection and Edit.FormatDocument.)
Note for OS X
On OS X use the CMD ⌘ key, not Ctrl:
To format a selection: CMD ⌘+K, CMD ⌘+F
To format a document:
CMD ⌘+K, CMD ⌘+D
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how to solve “ruby installation is missing psych” error?
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Not able to type in textfield in iphone simulator using Mac Keyboard?
...'m switching the app to portrait mode I'm unable to type anything in any text field using my Mac physical keyboard.
29 Answ...
How to bring back “Browser mode” in IE11?
... mode had returned in final release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to debug your site in IE11.
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Html attributes for EditorFor() in ASP.NET MVC
...lways do it. Another option is to simply write a custom template and use TextBoxFor:
<%= Html.TextBoxFor(model => model.Control.PeriodType,
new { disabled = "disabled", @readonly = "readonly" }) %>
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Get yesterday's date in bash on Linux, DST-safe
I have a shell script that runs on Linux and uses this call to get yesterday's date in YYYY-MM-DD format:
10 Answers
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Fast permutation -> number -> permutation mapping algorithms
I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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specify project file of a solution using msbuild
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msbuild test.sln /t:project /p:Configuration="Release" /p:Platform="x86" /p:BuildProjectReferences=false
Notice that what is assigned to /t is the project name in the solution, it can be different from the project file name.
Also, as stated in How to: Build specific targets in solutions by...