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NPM global install “cannot find module”
...le.d/nodejs.sh
NODE_PATH=/usr/lib/nodejs:/usr/lib/node_modules:/usr/share/javascript
export NODE_PATH="$NODE_PATH"
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HTML5 Email Validation
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I know you are not after the Javascript solution however there are some things such as the customized validation message that, from my experience, can only be done using JS.
Also, by using JS, you can dynamically add the validation to all input fields o...
Fastest method to replace all instances of a character in a string [duplicate]
... fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression?
...
How can I convert a DateTime to the number of seconds since 1970?
... you want to convert to millseconds for either more accurate timestamps or Javascript Date() object compatibility, you need to use long instead of int for the timestamp type.
– Soviut
Feb 8 '13 at 4:58
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How To Save Canvas As An Image With canvas.toDataURL()?
...e the name of the downloaded file:
HTML:
<a id="link"></a>
JAVASCRIPT:
var link = document.getElementById('link');
link.setAttribute('download', 'MintyPaper.png');
link.setAttribute('href', canvas.toDataURL("image/png").replace("image/png", "image/octet-stream"));
link.click...
How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
...um is not affected because it drives browsers and uses the same underlying JavaScript evaluation technology with dev tools.
– Yi Zeng
Mar 22 '14 at 9:59
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Is it good practice to use the xor operator for boolean checks? [closed]
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I recently used an xor in a JavaScript project at work and ended up adding 7 lines of comments to explain what was going on. The justification for using xor in that context was that one of the terms (term1 in the example below) could take on not two but...
Coalesce function for PHP?
...hich ?? does not do. Similar to the behavior of the logical OR operator in JavaScript (i.e. $val || 'default'), I would find ?: to be a more practical form of coalescing if in our practice we ultimately find ourselves handling both empty and null in the same way (i.e. $val ?: 'default'). And if you ...
Set a cookie to never expire
...ne permanently -or at least until browser cache is emptied completely, use Javascript local storage:
https://developer.mozilla.org/en-US/docs/DOM/Storage#localStorage
Do not use session storage, as it will be cleared just like a cookie with a maximum age of Zero.
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Not showing placeholder for input type=“date” field
...lor:black;
content:""!important;
}
and put somenthing like this into javascript:
$("#myel").on("input",function(){
if($(this).val().length>0){
$(this).addClass("full");
}
else{
$(this).removeClass("full");
}
});
it works for me for mobile devices (Ios8 and android). But I ...