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what is “strict mode” and how is it used?
I've been looking over the JavaScript reference on the Mozilla Developer Network, and I came across something called "strict mode" . I read it over and I'm having trouble understanding what it does. Can someone briefly explain (in general) what its purpose is and how it is useful?
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Change column type from string to float in Pandas
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@orange the warning is to alert users to potentially confusing behavior with chained operations, and with pandas returning copies of rather than editing dataframes. see stackoverflow.com/questions/20625582/… and related.
– A.Wa...
Disabling and enabling a html input button
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Using Javascript
Disabling a html button
document.getElementById("Button").disabled = true;
Enabling a html button
document.getElementById("Button").disabled = false;
Demo Here
Using jQuery
All versions of jQuery prior to 1....
How to prevent moment.js from loading locales with webpack?
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Here's another solution using postinstall script in NPM installer.
You can put a line to your package.json file:
{
"scripts": {
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"postinstall": "find node_modules/moment/locale -type f -not -name 'en-gb.js' -not -name 'pl.js' -printf '%p\\n' | xargs rm"
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Send attachments with PHP Mail()?
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I agree with @MihaiIorga in the comments – use the PHPMailer script. You sound like you're rejecting it because you want the easier option. Trust me, PHPMailer is the easier option by a very large margin compared to trying to do it yourself with PHP's built-in mail() function. PHP's ma...
Fastest way to tell if two files have the same contents in Unix/Linux?
I have a shell script in which I need to check whether two files contain the same data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
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list every font a user's browser can display
Is there a way in javascript to obtain the names of all fonts (or font-families) that the browser can show? (I want to give the user a dropdown with a list of all available fonts, and allow the user to choose a font.)
I'd prefer not to have to hardcode this list ahead of time or send it down from t...
Map over object preserving keys
The map function in underscore.js, if called with a javascript object, returns an array of values mapped from the object's values.
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Xcode variables
...t variables such as PROJECT_DIR to use in some situations, such as a run script build phase. I am wondering if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
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How to step through Python code to help debug issues?
...or doing that!
You can launch a Python program through pdb by using pdb myscript.py or python -m pdb myscript.py.
There are a few commands you can then issue, which are documented on the pdb page.
Some useful ones to remember are:
b: set a breakpoint
c: continue debugging until you hit a breakp...