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Easy way to concatenate two byte arrays
...sult = concat(a, b);
It will also work for concatenating 3, 4, 5 arrays, etc.
Doing it this way gives you the advantage of fast arraycopy code which is also very easy to read and maintain.
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Android studio - Failed to find target android-18
...ets']
}
// Move the tests to tests/java, tests/res, etc...
instrumentTest.setRoot('tests')
// Move the build types to build-types/<type>
// For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ..
// This...
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
... achieve secure cross-origin capable connections using Flash, Silverlight, etc -- but most implementations won't do that because it's not easy.
For example, if you rely on WebSocket for a cross-origin connection, that will work fine. But if you then run in an old browser or a firewall/proxy interfe...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
... // log or don't log request,
// redirect to avoid resubmition on F5 etc
}
If your application needs to react on any data received through post request, use this:
if(!empty($_POST)) { // if received any post data
// process $_POST values,
// save data to DB,
// ...
}
if(!empty(...
Change font color for comments in vim
...LightBlue
Add this to your .vimrc file which is either in your ~ or the /etc/vim directory. This will make it permanent. I haven't tested this with gvim.
I also have set background=light before I set comment color. I like all the colors it created except for the comments.
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Client on node: Uncaught ReferenceError: require is not defined
... This is my personal favorite.
Webpack - Does everything (bundles JS, CSS, etc). Made popular by the surge of React.js. Notorious for its difficult learning curve.
Rollup - New contender. Leverages ES6 modules. Includes tree-shaking abilities (removes unused code).
You can read more about my compa...
What's the use/meaning of the @ character in variable names in C#?
...ou to use reserved keywords for variable name. like @int, @string, @double etc.
For example:
string @public = "Reserved Keyword used for me and its fine";
The above code works fine, but below will not work:
string public = "This will not compile";
...
PHP - how to create a newline character?
...s likely that he is outputing this data to either a textbox or javascript, etc. for parsing or plain text reading not to be rendered as HTML
– PC3TJ
Nov 7 '15 at 4:29
add a co...
Deserializing a JSON into a JavaScript object
...
or Map() objects etc, how do you do proper deserialisation
– Ewan
Mar 18 at 11:36
add a comment
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Add a default value to a column through a migration
... states are usually explicit, such as the presence of a column, it's type, etc. The change can be rolled back as it's shown there if and only if there was a valid explicit default previously. Since it's common that defaults are undefined, you might have an issue there.
– Elindo...