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Capitalize only first character of string and leave others alone? (Rails)
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Thats great news! I was thinking what we can do right now and maybe a polyfill for Rails 4 would be nice.
– hakunin
Sep 13 '16 at 13:41
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Select Last Row in the Table
I would like to retrieve the last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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Is there a method that calculates a factorial in Java?
I didn't find it, yet. Did I miss something?
I know a factorial method is a common example program for beginners. But wouldn't it be useful to have a standard implementation for this one to reuse?
I could use such a method with standard types (Eg. int, long...) and with BigInteger / BigDecimal, too...
How can I change the thickness of my tag
...ant to change the thickness of my horizontal rule ( <hr> )in CSS. I know it can be done in HTML like so -
9 Answers
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Convert JSON to Map
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I like google gson library.
When you don't know structure of json. You can use
JsonElement root = new JsonParser().parse(jsonString);
and then you can work with json. e.g. how to get "value1" from your gson:
String value1 = root.getAsJsonObject().get("data").getAsJ...
How can I format my grep output to show line numbers at the end of the line, and also the hit count?
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sorry switched to linux now its working :) it was windows version not so good
– London
Oct 19 '10 at 12:33
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Do interfaces inherit from Object class in java
...extends Object implicitly, hence when you do e.equals(null), the language knows that you have a class that is a subtype of employee.
The JVM will do runtime checking for your code (i.e. throw NullPointerException).
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Git error when trying to push — pre-receive hook declined
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This is awesome. Now I can again push and pull, but before it I need to set upstream as git branch --set-upstream-to=origin/myBranch. +1 for your answer.
– AlokeT
Mar 20 '19 at 13:27
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Composer killed while updating
...ename/size for the file.
/var is probably not the best place, but I don't know which place would be, and rarely care since tiny servers are mostly used for testing purposes.
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Getting the current page
...he last of which - page five - will show that remaining 0.313 of content.
Now, numberOfPages being five means that the page indices will be 0, 1, 2, 3, and 4.
When I swipe rightwards, paging towards the final offset, the scrollViewDidEndDecelerating method gives a final X offset of 2412.
Applyin...