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How to turn on/off ReactJS 'development mode'?
...e checks
The above is the most common pattern, and other libraries follow it as well. So to "disable" these checks we need to toggle NODE_ENV to "production"
The proper way to disable "dev mode" is through your bundler of choice.
webpack
Use the DefinePlugin in your webpack config like so:
new webp...
What is the difference between hg forget and hg remove?
... want mercurial to remove several files from the current state of the repository. However, I want the files to exist in prior history.
...
Convert array to JSON
...to send this array to a page via jQuery's .get method. How can I convert it to a JSON object for sending?
9 Answers
...
Best data type for storing currency values in a MySQL database
...orks pretty well in most cases. You can adjust the scale and precision to fit the needs of the numbers you need to store. Even in SQL Server, I tend not to use "money" as it's non-standard.
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How do I check if file exists in jQuery or pure JavaScript?
...
With jQuery:
$.ajax({
url:'http://www.example.com/somefile.ext',
type:'HEAD',
error: function()
{
//file not exists
},
success: function()
{
//file exists
}
});
EDIT:
Here is...
Get list of all routes defined in the Flask app
I have a complex Flask-based web app. There are lots of separate files with view functions. Their URLs are defined with the @app.route('/...') decorator. Is there a way to get a list of all the routes that have been declared throughout my app? Perhaps there is some method I can call on the ap...
HttpWebRequest using Basic authentication
...rd));
httpWebRequest.Headers.Add("Authorization", "Basic " + encoded);
Edit
Switched the encoding from UTF-8 to ISO 8859-1 per What encoding should I use for HTTP Basic Authentication? and Jeroen's comment.
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How to copy text programmatically in my Android app?
I'm building an Android app and I want to copy the text value of an EditText widget. It's possible for the user to press Menu+A then Menu+C to copy the value, but how would I do this programmatically?
...
How to turn a String into a JavaScript function call? [duplicate]
...nctionName];
if(typeof fn === 'function') {
fn(t.parentNode.id);
}
Edit: In reply to @Mahan's comment:
In this particular case, settings.functionName would be "clickedOnItem". This would, at runtime translate var fn = window[settings.functionName]; into var fn = window["clickedOnItem"], which ...
How can I detect when the mouse leaves the window?
...Fox 3.6.6, Opera 10.53, and Safari 4 on an MS Windows XP machine.
First a little function from Peter-Paul Koch; cross browser event handler:
function addEvent(obj, evt, fn) {
if (obj.addEventListener) {
obj.addEventListener(evt, fn, false);
}
else if (obj.attachEvent) {
o...