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What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?
...on like a book reader, you will not want to load all the fragments into memory at once. You would like to load and destroy Fragments as the user reads. In this case you will use FragmentStatePagerAdapter. If you are just displaying 3 "tabs" that do not contain a lot of heavy data (like Bitmaps), the...
How can I export the schema of a database in PostgreSQL?
My computer broke down but fortunately I backed up
the folder C:\Program Files\PostgreSQL.
8 Answers
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How to extract the substring between two markers?
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Using regular expressions - documentation for further reference
import re
text = 'gfgfdAAA1234ZZZuijjk'
m = re.search('AAA(.+?)ZZZ', text)
if m:
found = m.group(1)
# found: 1234
or:
import re
text = 'gfgfdAAA1234ZZZuijjk'
try:
found = re.search('AAA(....
Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
... such that certain numbers are "pooled", and it returns the same instance for values smaller than 128.
From the java 1.6 source code, line 621:
public static Integer valueOf(int i) {
if(i >= -128 && i <= IntegerCache.high)
return IntegerCache.cache[i + 128];
else
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git-diff to ignore ^M
In a project where some of the files contains ^M as newline separators. Diffing these files are apparently impossible, since git-diff sees it as the entire file is just a single line.
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Python: finding an element in a list [duplicate]
... index of an element in a list in Python?
Note that the list may not be sorted.
10 Answers
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Is there a way to use PhantomJS in Python?
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After installation, you may use phantom as simple as:
from selenium import webdriver
driver = webdriver.PhantomJS() # or add to your PATH
driver.set_window_size(1024, 768) # optional
driver.get('https://google.com/')
driver.save_screenshot('screen.png') # save a screenshot to disk
sbtn = driver...
Submit form on pressing Enter with AngularJS
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Angular supports this out of the box. Have you tried ngSubmit on your form element?
<form ng-submit="myFunc()" ng-controller="mycontroller">
<input type="text" ng-model="name" />
<br />
<input type="text"...
vs.
...y content between OBJECT tags will get rendered if the browser doesn't support OBJECT's referred plugin, and apparently, the content gets http requested regardless if it gets rendered or not.
object is the current standard tag to embed something on a page. embed was included by Netscape (along im...
gdb split view with code
...bugging a program in gdb and somehow I found a new feature I've never seen or even heard of before, a split view where I can see and browse the code in addition to giving commands:
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