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Storing JSON in database vs. having a new column for each key
... perform a text-search on it.
value per column instead matches the whole string.
Your approach (JSON based data) is fine for data you don't need to search by, and just need to display along with your normal data.
Edit: Just to clarify, the above goes for classic relational databases. NoSQL use J...
Java: convert List to a String
...this without any third party library.
If you want to join a Collection of Strings you can use the new String.join() method:
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined = String.join(" and ", list); // "foo and bar and baz"
If you have a Collection with another typ...
How to check whether a string contains a substring in Ruby
I have a string variable with content:
9 Answers
9
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PHP - How to check if a string contains a specific text [duplicate]
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@Blender sorry, you're right. I was thinking of the .NET String.IndexOf which returns -1 in event of a non-match. I've corrected my answer.
– Dai
Mar 9 '13 at 1:54
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How to replace case-insensitive literal substrings in Java
...ing the method replace(CharSequence target, CharSequence replacement) in String, how can I make the target case-insensitive?
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What is the easiest way to parse an INI file in Java?
... Neat! I've always just been using BufferedReader and a bit of copy/paste String parsing code to not have to add yet another dependency to my applications (that can blow out of proportions when you start to add in third party APIs for even the simplest tasks). But I can't ignore this kind of simpli...
How can I convert ArrayList to ArrayList?
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Since this is actually not a list of strings, the easiest way is to loop over it and convert each item into a new list of strings yourself:
List<String> strings = list.stream()
.map(object -> Objects.toString(object, null))
.collect(Collectors.to...
How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
...
JavaScript blob filename without link
...lay: none";
return function (data, fileName) {
var json = JSON.stringify(data),
blob = new Blob([json], {type: "octet/stream"}),
url = window.URL.createObjectURL(blob);
a.href = url;
a.download = fileName;
a.click();
window.URL.revo...
Does JavaScript have a built in stringbuilder class?
...ke sure you chose an implementation, which uses array joins. Concatenating strings with the + or += operator are extremely slow on IE. This is especially true for IE6. On modern browsers += is usually just as fast as array joins.
When I have to do lots of string concatenations I usually fill an ar...