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Calculate number of hours between 2 dates in PHP
...30 day months, so that's looking much better than a result of 0. (Guessing my PHP version is a bit old...)
– semmelbroesel
Apr 1 '13 at 19:01
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Why use iterators instead of array indices?
...there are hardly any cases where it matters anyway.
Even so, I still find myself using iterators frequently with vectors. I believe the iterator is an important concept, so I promote it whenever I can.
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How to tell if a tag failed to load
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my working clean solution (2017)
function loaderScript(scriptUrl){
return new Promise(function (res, rej) {
let script = document.createElement('script');
script.src = scriptUrl;
script.type = 'text/javascript...
How do I create an array of strings in C?
...t. At the end I used the a2 style. I initially tried the a1 style defining my string array as char a1[][2] = { "F3", "G3" ...etc. } as it was intended to store 2-character long strings. This gave unexpected output because I forgot the null-terminator would mean each string should have a size of at l...
What is the difference between compile code and executable code?
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From my experience I would say that "compiling" refers to the conversion of one or several human-readable source files to byte code (object files in C) while "building" denominates the whole process of compiling, linking and whate...
When is the finalize() method called in Java?
...e where a 3rd party library was using a FileInputStream, never closing it. My code was calling the library's code, and then tried to move the file, failing because it was still open. I had to force call System.gc() to invoke FileInputStream::finalize(), then I could move the file.
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How to get and set the current web page scroll position?
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I went with the HTML5 local storage solution... All my links call a function which sets this before changing window.location:
localStorage.topper = document.body.scrollTop;
and each page has this in the body's onLoad:
if(localStorage.topper > 0){
window.scrollTo(...
Is it possible to pass query parameters via Django's {% url %} template tag?
... are not part of the URL.
Simply add them to the end:
<a href="{% url myview %}?office=foobar">
For Django 1.5+
<a href="{% url 'myview' %}?office=foobar">
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onNewIntent() lifecycle and registered listeners
... use these listeners inside of onNewIntent(). For example most of the time my onNewIntent() methods simply looks like this:
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// getIntent() should always return the most recent
setIntent(intent);
}
With al...
send Content-Type: application/json post with node.js
...t have to put it in body of the option.
var options = {
uri: 'https://myurl.com',
method: 'POST',
json: true,
body: {'my_date' : 'json'}
}
request(options, myCallback)
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