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Pandas conditional creation of a series/dataframe column
...he approaches timed here, but we can compute the m>ex m>tra column based on the contents of more than one column, and more than two values can be computed for the m>ex m>tra column.
Simple m>ex m>ample using just the "Set" column:
def set_color(row):
if row["Set"] == "Z":
return "red"
else:
...
How accurate is python's time.sleep()?
...el unable to schedule your process as soon as you'd like, even without CPU contention. That's what the realtime kernels are trying to fix, I think. But, unless you really need realtime behavior, simply using a high tick rate (kernel HZ setting) will get you not-guaranteed-but-high-resolution sleep...
Markdown and including multiple files
...pp" directive, which operates recursively replacing the directive with the contents of the referenced file in the final output.
chapters/preface.mdpp
chapters/introduction.mdpp
chapters/why_markdown_is_useful.mdpp
chapters/limitations_of_markdown.mdpp
chapters/conclusions.mdpp
You would then need...
Web workers without a separate Javascript file?
...ipt>
var blob = new Blob([
document.querySelector('#worker1').tm>ex m>tContent
], { type: "tm>ex m>t/javascript" })
// Note: window.webkitURL.createObjectURL() in Chrome 10+.
var worker = new Worker(window.URL.createObjectURL(blob));
worker.onmessage = function(e) {
console.log("Received...
Command line to remove an environment variable from the OS level configuration
Windows has the setx command:
9 Answers
9
...
TortoiseGit save user authentication / credentials
...me you do a pull or push.
Create a file called _netrc with the following contents:
machine github.com
login yourlogin
password yourpassword
Copy the file to C:\Users\ (or another location; this just happens to be where I’ve put it)
Go to command prompt, type setx home C:\Users\
Note: if you...
How can I add an item to a IEnumerable collection?
...e of the IEnumerable<T> interface is to allow a consumer to view the contents of a collection. Not to modify the values.
When you do operations like .ToList().Add() you are creating a new List<T> and adding a value to that list. It has no connection to the original list.
What you c...
How do I get a raw, compiled SQL query from a SQLAlchemy m>ex m>pression?
...ntation also issues this warning:
Never use this technique with string content received from untrusted
input, such as from web forms or other user-input applications.
SQLAlchemy’s facilities to coerce Python values into direct SQL string
values are not secure against untrusted input and ...
Can you do a partial checkout with Subversion?
...tead of empty checks out files and directories in trunk/proj without their contents. That way you can see which directories m>ex m>ist in the repository.
As mentioned in @zigdon's answer, you can also do a non-recursive checkout. This is an older and less flm>ex m>ible way to achieve a similar effect:
svn...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...ed. I calculate the height based on the systemLayoutSizeFittingSize of the contentView. Here, the UIView-Encapsulated-Layout-Height doesn't matter. Then, the tableView sets the contentSize m>ex m>plicitly to the value returned by heightForRowAtIndm>ex m>Path:. In this case it's correct to lower our custom con...