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Remove all values within one list from another list? [duplicate]
...ime to find an item is linear, since a Python set is implemented as a hash table. Therefore, to remove an item of a set no time is spend locating the item, whereas in a list the item has to be found first.
– Guillem Cucurull
Aug 15 '18 at 21:24
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How do you log all events fired by an element in jQuery?
I'd like to see all the events fired by an input field as a user interacts with it. This includes stuff like:
12 Answers
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...also sparseMatrix within the Matrix package, as seen here: R - convert BIG table into matrix by column names
with(tmp, sparseMatrix(i = as.numeric(x), j=as.numeric(y), x=z,
dimnames=list(levels(x), levels(y))))
## 2 x 3 sparse Matrix of class "dgCMatrix"
## a b c
## x 1 2 3...
HTML5 best practices; section/header/aside/article elements
...TML5 outline algorithm for the purpose of creating an outline—or—table of contents (TOC). The outline is not generally visible (these days), but authors should use html in such a way that the resulting outline reflects their intentions.
You can create sections with exactly these elements ...
How line ending conversions work with git core.autocrlf between different operating systems
...s modes and their combinations.
Here is what I got, in a slightly modified table:
| Resulting conversion when | Resulting conversion when
| committing files with various | checking out FROM repo -
| EOLs INTO repo and | with...
How do I get the size of a java.sql.ResultSet?
...y is the following
select MYBOOL,MYINT,MYCHAR,MYSMALLINT,MYVARCHAR
from MYTABLE
where ...blahblah...
and your output looks like
true 65537 "Hey" -32768 "The quick brown fox"
false 123456 "Sup" 300 "The lazy dog"
false -123123 "Yo" 0 "Go ahead and jump"
false 3 "EVH" 456 "Mi...
Cleaning up the iPhone simulator
...tions/*"
Save this script to a directory in your PATH.
Make the file executable, such as:
chmod +x RemoveSimulatorApps.command
Assumptions
You may want to invoke this from a keyboard favorites buttons, such as on a Logitech or Microsoft keyboard with programmable keys (hence, saving it as a .co...
JSON encode MySQL results
...ks this helped me a lot. My code:
$sqldata = mysql_query("SELECT * FROM `$table`");
$rows = array();
while($r = mysql_fetch_assoc($sqldata)) {
$rows[] = $r;
}
echo json_encode($rows);
share
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Entity Framework 4 / POCO - Where to start? [closed]
...Q-To-Entities before (although when using entities it has been on a Entity/Table 1-1 relationship - ie not much different than L2SQL)
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How can I wait for set of asynchronous callback functions?
...ng a promise polyfill), then you can use ES6-specified promises. See this table for browser support. Promises are supported in pretty much all current browsers, except IE.
If doAjax() returns a promise, then you can do this:
var promises = [];
for (var i = 0; i < 10; i++) {
promises.push(...