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Best way to include CSS? Why use @import?
... can prevent stylesheets from being downloaded concurrently. For instance, if stylesheet A contains the text:
@import url("stylesheetB.css");
then the download of the second stylesheet may not start until the first stylesheet has been downloaded. If, on the other hand, both stylesheets are refere...
How to convert a char array to a string?
...smasher1: Strictly speaking, strings in the form "hello world" are arrays. If you use sizeof("hello world") it will give you the size of the array (which is 12), rather than the size of a pointer (likely 4 or 8).
– dreamlax
Jan 22 '12 at 9:22
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How can I filter lines on load in Pandas read_csv function?
...ther load the file and then filter using df[df['field'] > constant], or if you have a very large file and you are worried about memory running out, then use an iterator and apply the filter as you concatenate chunks of your file e.g.:
import pandas as pd
iter_csv = pd.read_csv('file.csv', iterat...
How do you get the rendered height of an element?
...n the wrapped set as a number.
Trying to use
.style.height
only works if you have set the property in the first place. Not very useful!
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How can I have linebreaks in my long LaTeX equations?
...
If your equation does not fit on a single line, then the multline environment probably is what you need:
\begin{multline}
first part of the equation \\
= second part of the equation
\end{multline}
If you also need ...
Pass Variables by Reference in Javascript
...ou can pass-by-value a reference to an object) and then have a function modify the object contents:
function alterObject(obj) {
obj.foo = "goodbye";
}
var myObj = { foo: "hello world" };
alterObject(myObj);
alert(myObj.foo); // "goodbye" instead of "hello world"
You can iterate over the prop...
What's a quick way to test to see a file exists?
I want to quickly check to see if a file exists in my iPhone app's Documents directory (or any path for that matter). I can enumerate through the directory's files, or I can try to open a specific file. What's the fastest way? I just need to know if the file is there or if it does not exist.
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Git interactive rebase no commits to pick
...u have to rebase onto a particular commit.
With a non-interactive rebase, if you supply a direct ancestor of the current commit then you aren't changing anything; with an interactive rebase you can edit commits after the commit that you are rebasing onto, even if the commit is a direct ancestor of ...
SQL Server - Return value after INSERT
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On larger system, what if many sql's run at same time? Will it return the last inserted id to every request?
– Shiv
Dec 5 '17 at 13:59
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Display a float with two decimal places in Python
...nction taking float arguments (generally integers or decimals with one significant digit), and I need to output the values in a string with two decimal places (5 -> 5.00, 5.5 -> 5.50, etc). How can I do this in Python?
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