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Python string class like StringBuilder in C#?
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There is no one-to-one correlation. For a really good article please see Efficient String Concatenation in Python:
Building long strings in the Python
progamming language can sometimes
result in very slow running code. In
this...
C# Object Pooling Pattern implementation
Does anyone have a good resource on implementing a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe).
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Why dict.get(key) instead of dict[key]?
...ionary["bogus"]
would raise a KeyError.
If omitted, default_value is None, such that
dictionary.get("bogus") # <-- No default specified -- defaults to None
returns None just like
dictionary.get("bogus", None)
would.
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How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -n...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...pecifically, only documents that have the same origin as that API call, or ones that Facebook specifically grants access to via CORS (on browsers that support CORS). So you have to request the data via a mechanism where the browser will enforce the SOP, and you have to know about that preface and re...
How to avoid using Select in Excel VBA
...times in this post, but who's counting. ☺ ...but seriously, it's an easy one to forget when working with variables holding objects. A variant variable doesn't require Set until you assign an object to it. For example, Dim x: x = 1 is okay, but Dim x: x = Sheets("Sheet1") will generate Error 438. ...
How to get ASCII value of string in C#
...course, other character encodings—especially UTF-8—are available, too; One should question whether it is ASCII that is actually wanted.
– Tom Blodget
Jan 11 '19 at 17:53
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How to add a filter class in Spring Boot?
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How does one know the order in which the filters are applied?
– BeepDog
May 26 '16 at 21:10
7
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
... this (actually works with SVG source), like:
btoa(unescape(encodeURIComponent(str)))
example:
var imgsrc = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(markup)));
var img = new Image(1, 1); // width, height values are optional params
img.src = imgsrc;
If you need to de...
How can I split up a Git commit buried in history?
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Here's how to do it with Magit.
Say commit ed417ae is the one you want to change; it contains two unrelated changes and is buried under one or more commits. Hit ll to show the log, and navigate to ed417ae:
Then hit r to open the rebase popup
and m to modify the commit at point...