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filter for complete cases in data.frame using dplyr (case-wise deletion)
...function which lets you specify columns (basically everything which dplyr::select can understand) which should not have any NA values (modeled after pandas df.dropna()):
drop_na <- function(data, ...){
if (missing(...)){
f = complete.cases(data)
} else {
f <- complete....
How to write WinForms code that auto-scales to system font and dpi settings?
...ind its .exe file, right-click to edit properties, and under Compatibility
select "Override high DPI scaling behavior. Scaling performed by: System".
Be sure you never set the Font at the container level... only on the
leaf controls OR in the constructor of your most base Form if you want an applica...
Which HTTP methods match up to which CRUD methods?
...est HTTP verbs are GET, POST, PATCH, PUT and DELETE
Overview
HTTP GET - SELECT/Request
HTTP PUT - UPDATE
HTTP POST - INSERT/Create
HTTP PATCH - When PUTting a complete resource representation is cumbersome and utilizes more bandwidth, e.g.: when you have to update partially a column
HTTP DELETE ...
Is there a hosted version of Twitter Bootstrap? [closed]
...ript, CSS, and Image files.
Additionally hosts the Font Awesome CSS and a selection of Bootswatch themes.
Maintained by @jdorfman and @mervinej.
CDNJS.com
Hosts the JavaScript, CSS and Image files. Check the GitHub repo for more specifics.
Also hosts a ton of other JS libraries, including ple...
Real escape string and PDO [duplicate]
...ing. So if people are building out queries that already have quotes like "SELECT * FROM users WHERE username = '".$conn->quote($username)."'";, the queries will inevitably fail.
– user1669496
Jun 11 '14 at 18:05
...
How to commit a change with both “message” and “description” from the command line? [duplicate]
...e2 Update framework
pick ffcf91e Some magic
pick fa672e1 Update comments
Select the commit you want to reword and save.
pick e152ce2 Update framework
reword ffcf91e Some magic
pick fa672e1 Update comments
Now, you have the opportunity to add header and body, where the first line will be the hea...
How to find out client ID of component for ajax update/render? Cannot find component with expression
... <ui:repeat>.
When using PrimeFaces, consider Search Expressions or Selectors
PrimeFaces Search Expressions allows you to reference components via JSF component tree search expressions. JSF has several builtin:
@this: current component
@form: parent UIForm
@all: entire document
@none: noth...
Changing an element's ID with jQuery
...
<script>
$(document).ready(function () {
$('select').attr("id", "newId"); //direct descendant of a
});
</script>
This could do for all purpose. Just add before your body closing tag and don't for get to add Jquery.min.js
...
NoSql Crash Course/Tutorial [closed]
...uce...so let's create a map function do to the same as a bit of SQL code:
SELECT * FROM users WHERE age > 10
In CouchDB you provide the server with a JavaScript function that gets run against every item in the database...
function (doc)
{
if (doc.objType == "users") {
if (doc.age &...
Colon (:) in Python list index [duplicate]
...
a[len(a):] - This gets you the length of a to the end. It selects a range. If you reverse a[:len(a)] it will get you the beginning to whatever is len(a).
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