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Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
21 Answers
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Fastest check if row exists in PostgreSQL
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How about simply:
select 1 from tbl where userid = 123 limit 1;
where 123 is the userid of the batch that you're about to insert.
The above query will return either an empty set or a single row, depending on whether there are records with the given userid.
If this turns o...
Insert all values of a table into another table in SQL
...dited Feb 26 '14 at 1:12
hichris123
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answered Apr 21 '10 at 9:35
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If statement in aspx page
...erver">
<% If Request.QueryString("id_query_param") = 123 Then 'Add some VB comment here,
'which will not be visible in the rendered source code of the aspx page later %>
<!-- add some html content depending on -->
<!-- the conditi...
Passing enum or object through an intent (the best solution)
...add another option for the new paradigm. Here we can make use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>> Intent.putExtra(victim: T): Intent =
putExtra(T::class.java.name, victim.ordinal)
inline fun <reified ...
Beginner's guide to ElasticSearch [closed]
...erred over to the Elastic blog, and can be found by filtering on my name: https://www.elastic.co/blog/author/zachary-tong
To be perfectly honest, the best source of beginner knowledge is now Elasticsearch - The Definitive Guide written by myself and Clinton Gormley.
It assumes zero search engin...
How do I fetch a single model in Backbone?
...ers with the hashbang in your URL like so, http://www.mydomain.com/#clocks/123 , but it should work even if you haven't yet.
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Difference between CSS3 transitions' ease-in and ease-out
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
“Variable” variables in Javascript?
... try using eval():
var data = "testVariable";
eval("var temp_" + data + "=123;");
alert(temp_testVariable);
Or using the window object:
var data = "testVariable";
window["temp_" + data] = 123;
alert(window["temp_" + data]);
http://www.hiteshagrawal.com/javascript/dynamic-variables-in-javascrip...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...nly non-devDependencies to be installed regardless of the NODE_ENV.
from: https://docs.npmjs.com/cli/install
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