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How to check if variable is string with python 2 and 3 compatibility
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What about this, works in all cases?
isinstance(x, ("".__class__, u"".__class__))
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Why is it recommended to have empty line in the end of a source file?
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@NickM Almost all POSIX/Unix command-line tools that take text input or read a text file assume a line ending (\n) at end of file. Several text editors, like Vim, and several compilers (notably C++ and Python) will issue warnings. (In C++'...
How to go from Blob to ArrayBuffer
... Clever trick and not to be confused with Blob.arrayBuffer() which actually has quite poor compatibility even in 2020, caniuse.com/#feat=mdn-api_blob_arraybuffer or developer.mozilla.org/en-US/docs/Web/API/Blob/arrayBuffer
– jpschroeder
Jan 23 at 4:17
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Perform .join on value in array of objects
...Array.prototype.map is what you're looking for if you want to code functionally.
[
{name: "Joe", age: 22},
{name: "Kevin", age: 24},
{name: "Peter", age: 21}
].map(function(elem){
return elem.name;
}).join(",");
In modern JavaScript:
[
{name: "Joe", age: 22},
{name: "Kevin", age: 2...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
...he tableView's tableHeaderView = nil.
Because my tableView has a dynamically appearing tableHeaderView, when I need to hide the tableHeaderView, instead of doing self.tableView.tableHeaderView = nil;, I do:
self.tableView.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, sel...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...or accessibility in the internet. For a presentation, we want to offer a small workshop that simulates different disabilities/impairments to people. This is done via a website created especially for this presentation.
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Colorized grep — viewing the entire file with highlighted matches
...ve the pattern you're searching for AND lines that have an end -- that is, all of them. Because the end of a line isn't actually any characters, the colorized portion of the output will just be your pattern. Thanks Ryan!
– zslayton
Jun 11 '09 at 15:36
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The type or namespace name 'DbContext' could not be found [closed]
...t present even though the vs2010 Package Manager claimed I had 4.2.0.0 installed. With my project open in vs2010, running the install command via Tools, Library Package Manager, Package Manager Console added the reference to EntityFramework automatically and my subsequent build succeeded. thnx @Sh...
how to stop Javascript forEach? [duplicate]
...lution like this (github.com/nbouvrette/forEach) could help you and potentially solve even other headaches.
– Nicolas Bouvrette
Jun 13 '16 at 0:14
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Cluster analysis in R: determine the optimal number of clusters
...lidean",
method = "kmeans", min.nc=2, max.nc=15,
index = "alllong", alphaBeale = 0.1)
hist(nb$Best.nc[1,], breaks = max(na.omit(nb$Best.nc[1,])))
# Looks like 3 is the most frequently determined number of clusters
# and curiously, four clusters is not in the output at all!
If yo...