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Python function global variables?
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If you want to simply access a global variable you just use its name. However to change its value you need to use the global keyword.
E.g.
global someVar
someVar = 55
This would change the value of the global variable to 55. Otherwise it would just assign 55 to a local variable.
The or...
How to center the content inside a linear layout?
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android:gravity handles the alignment of its children,
android:layout_gravity handles the alignment of itself.
So use one of these.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/too...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...,$s/BEFORE/AFTER/gc
Then, that :substitute command is repeated with the same search
pattern, replacement string, and flags, using the :& command
(see :help :&):
1,''-&&
The latter, however, performs the substitution on the range of lines
from the first line of the file to the line...
Android: Vertical ViewPager [closed]
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You can use a ViewPager.PageTransformer to give the illusion of a vertical ViewPager. To achieve scrolling with a vertical instead of a horizontal drag you will have to override ViewPager's default touch events and swap the coordinates of MotionEvents prior to ...
Why does Math.Round(2.5) return 2 instead of 3?
... a .NET bug. C# is the language - it doesn't decide how Math.Round is implemented.
And secondly, no - if you read the docs, you'll see that the default rounding is "round to even" (banker's rounding):
Return ValueType: System.DoubleThe integer nearest a. If the
fractional component of a is ha...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
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The answers above were partial. I've spent so much time getting this working, it's insane. Note to my future self, here is what you need to do:
I'm working on Windows 10, with Chrome 65. Firefox is behaving nicely - just confirm localhost as a security exception and it will w...
How to create json by JavaScript for loop?
...d of your request, this should work:
<script>
// var status = document.getElementsByID("uniqueID"); // this works too
var status = document.getElementsByName("status")[0];
var jsonArr = [];
for (var i = 0; i < status.options.length; i++) {
jsonArr.push({
id: status.options[...
Ways to circumvent the same-origin policy
I wanted to make a community wiki regarding HTML/JS same-origin policies to hopefully help anyone searching for this topic. This is one of the most searched-for topics on SO and there is no consolidated wiki for it so here I go :)
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CSS – why doesn’t percentage height work? [duplicate]
How come a percentage value for height doesn’t work but a percentage value for width does?
6 Answers
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How do I vertically align text in a div?
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</div>
</div>
</div>
It is possible to merge hacks for old browsers (Internet Explorer 6/7) into styles with using # to hide styles from newer browsers:
div { border:1px solid green;}
<div style="display: table; height: 400px; #position: relative; overf...