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Get nth character of a string in Swift programming language
...w can I get the nth character of a string? I tried bracket( [] ) accessor with no luck.
45 Answers
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Building big, immutable objects without using constructors having long parameter lists
...Every time I run into that case I tend to create constructor abominations with long parameter lists.
9 Answers
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Logging in Scala
...od way to do logging in a Scala application? Something that is consistent with the language philosophy, does not clutter the code, and is low-maintenance and unobtrusive. Here's a basic requirement list:
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Semi-transparent color layer over background-image?
...ould like to put a pattern as background. This pattern is gray. So to make it a little more nice, I would like to put a light transparent color "layer" over. Below is what I tried but which did not work. Is there a way to put the colored layer over the background image?
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Check if image exists on server using JavaScript?
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Function is awesome. I put it in my collection :) I thought fileExists would be better name because this function does not check if image exists on server. It check if file is accessible from server. There is no check if that file actually is an image....
JPA getSingleResult() or null
I have an insertOrUpdate method which inserts an Entity when it doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an ex...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
I have several PHP pages echoing out various things into HTML pages with the following code.
6 Answers
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Grab a segment of an array in Java without creating a new array on heap
...is worthy of deletion. The answer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.)
I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation fo...
How do I capture the output of a script if it is being ran by the task scheduler?
...008, how do I go about capturing the output of a script that is being ran with the windows task scheduler?
9 Answers
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Django 1.7 - makemigrations not detecting changes
As the title says, I can't seem to get migrations working.
29 Answers
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