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JavaScript checking for null vs. undefined and difference between == and ===
...oercion to try to get the values to match, and === won't. So for instance "1" == 1 is true, because "1" coerces to 1. But "1" === 1 is false, because the types don't match. ("1" !== 1 is true.) The first (real) step of === is "Are the types of the operands the same?" and if the answer is "no", the r...
Set transparent background using ImageMagick and commandline prompt
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I am using ImageMagick 6.6.9-7 on Ubuntu 12.04.
What worked for me was the following:
convert...
How to install gem from GitHub source?
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JSON left out Infinity and NaN; JSON status in ECMAScript?
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Infinity and NaN aren't keywords or anything special, they are just properties on the global obj...
Stop execution of Ruby script
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Either abort or exit will help.
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How to check if click event is already bound - JQuery
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How to send a simple string between two programs using pipes?
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A regular pipe can only connect two related processes. It is created by a process and will va...
Multiple select statements in Single query
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edited Jul 6 at 13:51
DanB
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answered Nov 2...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
...o the trick.
The HTTP request parameter format would be like so:
Yes ?id=1,2,3
No ?id=1&id=2&id=3
The complete list of JPA repository keywords can be found in the current documentation listing. It shows that IsIn is equivalent – if you prefer the verb for readability – and that JPA ...