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Differences between Perl and PHP [closed]
...ype, of which Perl has three, and the type specifier is part of the name (called a "sigil"), so $foo is a different variable than @foo or %foo.
(related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its o...
What does “for” attribute do in HTML tag?
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The <label> tag allows you to click on the label, and it will be treated like clicking on the associated input element. There are two ways to create this association:
One way is to wrap the label element around the input element:
<label...
What is a pre-revprop-change hook in SVN, and how do I create it?
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Basically it's a script that is launched before unversioned property is modified on the repository, so that you can manage more precisely what's happening on your repository.
There are templates in the SVN distrib for different h...
REST API Authentication
...is current request is from an authenticated user. Since REST APIs are typically stateless, the state must be persisted somewhere. Your client consuming the REST APIs is responsible for maintaining that state. Usually, it is in the form of some token that gets passed around since the time the user wa...
The term 'Update-Database' is not recognized as the name of a cmdlet
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Usually you just need to exit restart VS. See my comments in the original question. On rare occasions you might need to exit/restart VS twice.
– RickAndMSFT
Jul 17 '13 at 1:46
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How to have favicon / icon set when bookmarklet dragged to toolbar?
...port HTML file you just edited, your bookmarklet now has a favicon.
Basically the procedure is to get ICON attribute of a bookmark tag and insert it into bookmarklet tag
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What is the difference between `throw new Error` and `throw someObject`?
...t what we can extract from it in an event of an error? The Error object in all browsers support the following two properties:
name: The name of the error, or more specifically, the name of the constructor function the error belongs to.
message: A description of the error, with this description var...
How to handle floats and decimal separators with html5 input type number
... has a default value of 1. If you want the input's validation algorithm to allow floating-point values, specify a step accordingly.
For example, I wanted dollar amounts, so I specified a step like this:
<input type="number" name="price"
pattern="[0-9]+([\.,][0-9]+)?" step="0.01"
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Class 'DOMDocument' not found
... This is also starting to occur with php7.3 to 7.4 transition. When the web server PHP module is based on 7.3 and php-xml is 7.4. Updating to a consistent PHP version (either one) works fine.
– Amos Jeffries
Feb 29 at 6:24
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Can a program depend on a library during compilation but not runtime?
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A compile-time dependency is generally required at runtime. In maven, a compile scoped dependency will be added to the classpath on runtime (e.g. in wars they will be copied to WEB-INF/lib).
It is not, however, strictly required; for instance, we may compile...