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Does a javascript if statement with multiple conditions test all of them?
...e cases the bitwise operators & and | can be used
var testOr = true | alert(""); //alert pops up
var testAnd = false & alert(""); //alert pops up
These should be used really carefully because bitwise operators are arithmetic operators that works on single bits of their operand and can't a...
How to know that a string starts/ends with a specific string in jQuery?
...ould be useless so you should better use
var str = "Hello World";
window.alert("Starts with Hello ? " + /^Hello/i.test(str));
window.alert("Ends with Hello ? " + /Hello$/i.test(str));
as the match() method is deprecated.
PS : the "i" flag in RegExp is optional and stands for case insen...
Regular expression to get a string between two strings in Javascript
...
In Javascript, you actually need to use ([\s\S]*?) rather than (.*?).
– Qian Chen
Dec 18 '18 at 11:07
7
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How can I get a list of locally installed Python modules?
...p > 10.0!
My 50 cents for getting a pip freeze-like list from a Python script:
import pip
installed_packages = pip.get_installed_distributions()
installed_packages_list = sorted(["%s==%s" % (i.key, i.version)
for i in installed_packages])
print(installed_packages_list)
As a (too long) on...
JavaScript: Passing parameters to a callback function
...use the arguments variable like so:
function tryMe (param1, param2) {
alert(param1 + " and " + param2);
}
function callbackTester (callback) {
callback (arguments[1], arguments[2]);
}
callbackTester (tryMe, "hello", "goodbye");
But otherwise, your example works fine (arguments[0] can be...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...ted/called from inside this asynchronous function. For example, moving the alerts and console.logs too inside the callback function would output the expected result, because the result is available at that point.
Implementing your own callback logic
Often you need to do more things with the result...
Importing files from different folder
... importing a file, Python only searches the directory that the entry-point script is running from and sys.path which includes locations such as the package installation directory (it's actually a little more complex than this, but this covers most cases).
However, you can add to the Python path at r...
Query EC2 tags from within instance
...
The following bash script returns the Name of your current ec2 instance (the value of the "Name" tag). Modify TAG_NAME to your specific case.
TAG_NAME="Name"
INSTANCE_ID="`wget -qO- http://instance-data/latest/meta-data/instance-id`"
REGION="`...
Find and replace Android studio
...) and also maintain case, either in android studio or using a command line script?
10 Answers
...
How to play an android notification sound
...'t want it to play as a media file, I want it to play as a notification or alert or ringtone. heres an example of what my code looks like right now:
...