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Difference between View and table in sql
What is the main difference between view and table in SQL. Is there any advantage of using views instead of tables.
7 Answe...
Android notification is not showing
...without an icon. So, add the setSmallIcon call to the builder chain like this for it to work:
.setSmallIcon(R.drawable.icon)
Android Oreo (8.0) and above
Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel.
private NotificationManager mNotificati...
Where can I get Google developer key
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It's the API key as listed under 'API Access', the 'Simple API Access' box.
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Pass Variables by Reference in Javascript
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There is no "pass by reference" available in JavaScript. You can pass an object (which is to say, you can pass-by-value a reference to an object) and then have a function modify the object contents:
function alterObject(obj) {
o...
What is the significance of #pragma marks? Why do we need #pragma marks?
What is the purpose of #pragma marks in Xcode? Does their location in .m files matter? Should some #pragma come before all others?
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Handling optional parameters in javascript
...nts were passed to your function and you can check if your second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
cal...
Simplest two-way encryption using PHP
What is the simplest way of doing two way encryption in common PHP installs?
6 Answers
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The difference between fork(), vfork(), exec() and clone()
...our on Google and I expected there to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls.
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How to check if variable is string with python 2 and 3 compatibility
I'm aware that I can use: isinstance(x, str) in python-3.x but I need to check if something is a string in python-2.x as well. Will isinstance(x, str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
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What is the difference between Python and IPython?
What exactly is the difference between Python and IPython ?
7 Answers
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