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“Eliminate render-blocking CSS in above-the-fold content”
...ake worse than better for 'normal' websites.
And not everything that comes from Google is the "holy grail" just because it comes from Google. And they themselves are not a good role model if you have a look at their HTML markup.
The best advice I could give you is:
Set width and height on repla...
JavaScript: client-side vs. server-side validation
...ir HTTP requests with another tool? What if they send custom HTTP requests from curl or from a script, for example?
(This is not theoretical; eg, I worked on a travel search engine that re-submitted the user's search to many partner airlines, bus companies, etc, by sending POST requests as if the u...
Why is there no tuple comprehension in Python?
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Thats a nice tip from Raymond Hettinger. I would still say there is a use case for using the tuple constructor with a generator, such as unpacking another structure, perhaps larger, into a smaller one by iterating over the attrs that you are...
Pretty Printing a pandas dataframe
... it is called tabulate.
It prints tabular data and works with DataFrame.
from tabulate import tabulate
import pandas as pd
df = pd.DataFrame({'col_two' : [0.0001, 1e-005 , 1e-006, 1e-007],
'column_3' : ['ABCD', 'ABCD', 'long string', 'ABCD']})
print(tabulate(df, headers='keys',...
How do I get the application exit code from a Windows command line?
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If you're running directly from a Windows command line and always seeing 0 returned, see Gary's answer: stackoverflow.com/a/11476681/31629
– Ken
Aug 30 '12 at 13:51
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When should we use mutex and when should we use semaphore
... must happen in the same thread later on.
e.g.: If you are deleting a node from a global linked list, you do not want another thread to muck around with pointers while you are deleting the node. When you acquire a mutex and are busy deleting a node, if another thread tries to acquire the same mutex,...
How to write LaTeX in IPython Notebook?
... Now is working on Jupiter. I put %%latex in a cell, and import the from IPython.display import Latex. After that, the Jupyter notebook recognizes Latex notation.
– Miguel Gutierrez
Jun 28 at 3:42
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Remove unnecessary svn:mergeinfo properties
...t not at the root folder (this is needed for branching to work properly).
From the root of the project do:
svn propdel svn:mergeinfo -R
svn revert .
svn ci -m "Removed mergeinfo"
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Delete everything in a MongoDB database
...very single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points for giving both a MongoDB console method and a MongoDB Ruby driver method.
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How can I set NODE_ENV=production on Windows?
... they persist beyond just the single command prompt, you can find the tool from System in Control Panel (or by typing 'environment' into the search box in the start menu).
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