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What's the difference between Git Revert, Checkout and Reset?
...ar.
git revert
This command creates a new commit that undoes the changes from a previous commit. This command adds new history to the project (it doesn't modify existing history).
git checkout
This command checks-out content from the repository and puts it in your work tree. It can also have oth...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
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Turns out that Entity Framework will assume that any class that inherits from a POCO class that is mapped to a table on the database requires a Discriminator column, even if the derived class will not be saved to the DB.
The solution is quite simple and you just need to add [NotMapped] as an attr...
How to load a UIView using a nib file created with Interface Builder
...ntroller subclass)
@property (nonatomic, retain) IBOutlet UIView *myViewFromNib;
(dont forget to synthesize it and release it in your .m file)
3) open your nib (we'll call it 'myViewNib.xib') in IB, set you file's Owner to MyViewController
4) now connect your file's Owner outlet myViewFromNib...
BeautifulSoup Grab Visible Webpage Text
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Try this:
from bs4 import BeautifulSoup
from bs4.element import Comment
import urllib.request
def tag_visible(element):
if element.parent.name in ['style', 'script', 'head', 'title', 'meta', '[document]']:
return False
...
How can I String.Format a TimeSpan object with a custom format in .NET?
...self must be escaped unless you're using a verbatim string).
This excerpt from the MSDN Custom TimeSpan Format Strings page explains about escaping the ":" and "." characters in a format string:
The custom TimeSpan format specifiers do not include placeholder separator symbols, such as the symb...
Python Selenium accessing HTML source
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You need to access the page_source property:
from selenium import webdriver
browser = webdriver.Firefox()
browser.get("http://example.com")
html_source = browser.page_source
if "whatever" in html_source:
# do something
else:
# do something else
...
How to get subarray from array?
...have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
...
Reading a key from the Web.Config using ConfigurationManager
I am trying to read the keys from the Web.config file in a different layer than the web layer (Same solution)
10 Answers
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How to prevent UINavigationBar from covering top of view in iOS 7?
...igationController.navigationBar.translucent = NO;
This will fix the view from being framed underneath the navigation bar and status bar.
If you have to show and hide the navigation bar, then use
if ([self respondsToSelector:@selector(edgesForExtendedLayout)])
self.edgesForExtendedLayout = U...
Where does Java's String constant pool live, the heap or the stack?
...nswer, the exact location of the string pool is not specified and can vary from one JVM implementation to another.
It is interesting to note that until Java 7, the pool was in the permgen space of the heap on hotspot JVM but it has been moved to the main part of the heap since Java 7:
Area: Hot...