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What is this 'Lambda' everyone keeps speaking of?
...abstract away boilerplate code. For example loops. We're used to write for and while loops all day long. But this is code that does not be written. We could extract the code inside the loop, the most important part of the loop, and abstract away the rest:
for (var i=0; i<array.length; i++) {
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Writing a pandas DataFrame to CSV file
I have a dataframe in pandas which I would like to write to a CSV file. I am doing this using:
7 Answers
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Append an element with fade in effect [jQuery]
...appends #blah to itself, which doesn't seem like something you want to do (and I'm guessing it's interpreted as a no-op). You might as well just drop the .appendTo part and use $('#mycontent').hide().fadeIn(1000).
– icktoofay
Dec 13 '17 at 8:48
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How to check existence of user-define table type in SQL Server 2008?
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IF EXISTS (SELECT * FROM sys.types WHERE is_table_type = 1 AND name = 'MyType')
--stuff
sys.types... they aren't schema-scoped objects so won't be in sys.objects
Update, Mar 2013
You can use TYPE_ID too
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How to read an external local JSON file in JavaScript?
I have saved a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file:
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How to PUT a json object with an array using curl
...enter the data isn't good for bulk entry, so I'm trying to formulate a command line equivalent. When I examine the network request of the UI in chrome, I see a PUT request of a json object. When I try to replicate the request
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How can I open multiple files using “with open” in Python?
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Just replace and with , and you're done:
try:
with open('a', 'w') as a, open('b', 'w') as b:
do_something()
except IOError as e:
print 'Operation failed: %s' % e.strerror
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Why would I prefer using vector to deque
...tly) more expensive than their equivalent vector operations. On the other hand, using many/large instances of vector may lead to unnecessary heap fragmentation (slowing down calls to new).
Also, as pointed out elsewhere on StackOverflow, there is more good discussion here: http://www.gotw.ca/gotw/...
Prevent double submission of forms in jQuery
...ttle while for the server to process. I need to ensure that the user waits and does not attempt to resubmit the form by clicking the button again. I tried using the following jQuery code:
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CSS @font-face - what does “src: local('☺')” mean?
I'm using @font-face for the first time and downloaded a font-kit from fontsquirrel
3 Answers
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