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What is the difference between “ is None ” and “ ==None ”
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class Foo:
def __eq__(self,other):
return True
foo=Foo()
print(foo==None)
# True
print(foo is None)
# False
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Find UNC path of a network drive?
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The answer is a simple PowerShell one-liner:
Get-WmiObject Win32_NetworkConnection | ft "RemoteName","LocalName" -A
If you only want to pull the UNC for one particular drive, add a where statement:
Get-WmiObject Win32_NetworkConnection | where -Property 'LocalName' -eq 'Z:' | ft "Remo...
What is the proper way to re-throw an exception in C#? [duplicate]
...n("Not enough room in array to copy elements starting at index given.");
_innerList.CopyTo(array, arrayIndex);
}
That's not the worse code because it's boilerplate and we can probably just copy it from some other implementation of CopyTo where it wasn't a simple pass-through and we had to implem...
iOS Detect 3G or WiFi
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I made a pretty simple block based Reachability wrapper that strips all the outdated C-like Reachability code, poured into a much more Cocoa form.
Usage like:
[EPPZReachability reachHost:hostNameOrIPaddress
completition:^(EPPZReachabilit...
Changing image size in Markdown
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The solution based on the alt attribute is very bad and you shouldn't use it, it breaks accessibility.
– Regnareb
Oct 17 '16 at 9:44
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Read each line of txt file to new array element
...sing, this should do what you're looking for
$lines = file($filename, FILE_IGNORE_NEW_LINES);
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Memoization in Haskell?
...alling, for example: fix f 123 = 144
We could memoize this by defining:
f_list :: [Int]
f_list = map (f faster_f) [0..]
faster_f :: Int -> Int
faster_f n = f_list !! n
That performs passably well, and replaces what was going to take O(n^3) time with something that memoizes the intermediate r...
How to print a groupby object
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Simply do:
grouped_df = df.groupby('A')
for key, item in grouped_df:
print(grouped_df.get_group(key), "\n\n")
This also works,
grouped_df = df.groupby('A')
gb = grouped_df.groups
for key, values in gb.iteritems():
print(df.ix[...
How do I programmatically click a link with javascript?
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it doesn't respect the target attribute or <base target="frame">
– Vitim.us
Nov 9 '15 at 19:21
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What Makes a Good Unit Test? [closed]
... of Writing Tests:
1. Use long, descriptive test method names.
- Map_DefaultConstructorShouldCreateEmptyGisMap()
- ShouldAlwaysDelegateXMLCorrectlyToTheCustomHandlers()
- Dog_Object_Should_Eat_Homework_Object_When_Hungry()
2. Write your tests in an Arrange/Act/Assert style.
While th...