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Counting the number of elements with the values of x in a vector
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There is also count(numbers) from plyr package. Much more convenient than table in my opinion.
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Try/Catch block in PHP not catching Exception
I am trying to run this Example #1 from this page: http://php.net/manual/en/language.exceptions.php
12 Answers
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Asynchronously load images with jQuery
...uery/ajax and return a HTTP 304 (Not modified) and then use original image from cache if its already there. The above method reduces an empty request to server after the first loop of images in the gallery.
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How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
... to use the JOIN FETCH directive:
Query query = session.createQuery(
"from Model m " +
"join fetch m.modelType " +
"where modelGroup.id = :modelGroupId"
);
Anyway, DO NOT use the following Anti-Patterns as suggested by some of the answers:
Open Session in View
hibernate.enable_lazy_...
Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
...nager.
Also be aware that there might be 2 SDK installations - one coming from AndroidStudio and one you might have installed. Better consolidate this to one installation - this is a common pitfall - that you have it installed in one installation but it fails when you build with the other installat...
Checking whether something is iterable
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As a sidenote, BEWARE about the definition of iterable. If you're coming from other languages you would expect that something you can iterate over with, say, a for loop is iterable. I'm afraid that's not the case here where iterable means something that implements the iteration protocol.
To make ...
How to match “any character” in regular expression?
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For reference, from regular-expressions.info/dot.html: "JavaScript and VBScript do not have an option to make the dot match line break characters. In those languages, you can use a character class such as [\s\S] to match any character. This...
How do I pass an extra parameter to the callback function in Javascript .filter() method?
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There is any way to pass a different parameter from element, index, and array? For example, I want to pass an X variable.
– leandrotk
Nov 25 '18 at 13:41
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How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
10 Answers
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NPM cannot install dependencies - Attempt to unlock something which hasn't been locked
...hown -R [username] .npm and I was finally able to run npm install commands from my projects again!
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