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How do you check that a number is NaN in JavaScript?
...bove cases" I wouldn't say wrong, just different, because the global isNaN converts the argument to a number value first.
– Felix Kling
Mar 7 '16 at 7:23
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Creating anonymous objects in php
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Convert array to object (but this is not recursive to sub-childs):
$obj = (object) ['myProp' => 'myVal'];
share
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imp...
FormData.append(“key”, “value”) is not working
....form[i].value;
}
}
const data = formDataToObject.toObj(formObject): // convert "user[email]":"customer@mail.com" => "user":{"email":"customer@mail.com"}
const orderRes = await fetch(`/api/orders`, {
method: 'POST',
credentials: 'same-origin',
headers: {
'Con...
Select Multiple Fields from List in Linq
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Anonymous types allow you to select arbitrary fields into data structures that are strongly typed later on in your code:
var cats = listObject
.Select(i => new { i.category_id, i.category_name })
.Distinct()
.OrderByDescending(i => i.category_name)
.ToArr...
reformat in vim for a nice column layout
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@metrix, here is a very clumsy workaround: 1) convert spaces inside delimiters into a different character, 2) then run column as described in the post, 3) then replace your delimiters back to spaces. An example command in visual mode for step #1 is: '<,'>s/"\(\w\+\...
Multiply TimeSpan in .NET
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Thank you for the compliment, but I feel obliged to point out that @JustinPihony answered nearly two years before I did and it was the information in his answer that allowed me to write mine.
– Stephen Hewlett
Oct 25 '13 at 20:36
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JavaScript variable number of arguments to function
... method concat returns a copy of the 'array' it's called on, we can easily convert the arguments object to a real array like this: var args = [].concat.call(arguments). Some people prefer to use Array.prototype.concat.call instead, but I like the [], they are short and sweet!
–...
Encoding as Base64 in Java
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You can also convert using Base64 encoding. To do this, you can use the javax.xml.bind.DatatypeConverter#printBase64Binary method.
For example:
byte[] salt = new byte[] { 50, 111, 8, 53, 86, 35, -19, -47 };
System.out.println(DatatypeCo...
Remove the last character from a string [duplicate]
...$length]) last couple of parameters limit the letters that are "surgically interventioned". I.e. substringing will only analyze/replace the substring's characters (in this case emptied). After this is done, the rest of the unaltered string is concatenated.
– CPHPython
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Set transparent background of an imageview on Android
...the percentage number by 100 and multiply by 255 to get the decimal value. Convert the decimal to hexadecimal here.
For example, for 50%, 50/100 * 255 = 127. Using the link we get hexadecimal value 7F.
Source: Android: how to create a transparent or opaque background
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