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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...c1 = ['UK', 'China'] # list
c2 = {'Germany'} # set
c3 = pd.Series(['China', 'US']) # Series
c4 = np.array(['US', 'UK']) # array
Series.isin accepts various types as inputs. The following are all valid ways of getting what you want:
df['countries'].isin(c1)
0 ...
How to get a URL parameter in Express?
...req.params
app.get('/p/:tagId', function(req, res) {
res.send("tagId is set to " + req.params.tagId);
});
// GET /p/5
// tagId is set to 5
If you want to get a query parameter ?tagId=5, then use req.query
app.get('/p', function(req, res) {
res.send("tagId is set to " + req.query.tagId);
});...
Can I set the height of a div based on a percentage-based width? [duplicate]
... the other answers), but it can also be done very easily with JavaScript.
Set the div's width to (for example) 50%, use JavaScript to check its width, and then set the height accordingly. Here's a code example using jQuery:
$(function() {
var div = $('#dynamicheight');
var width = di...
Generating random strings with T-SQL
...256
, @seed int output
, @string varchar(8000) output
as
begin
set nocount on;
declare @length int;
declare @alpha varchar(8000)
, @digit varchar(8000)
, @specials varchar(8000)
, @first varchar(8000)
declare @step bigint = rand(@seed) * 2147483647;
...
Set opacity of background image without affecting child elements
Is it possible to set the opacity of a background image without affecting the opacity of child elements?
14 Answers
...
Decompressing GZip Stream from HTTPClient Response
...y back on @SebastianCastaldi, but .net core 1.1 had AutomaticDecompression set properly, but in .net core 2.0 it is set to NONE. This took me way too long to figure out...
– KallDrexx
Mar 22 '18 at 17:23
...
Warning: Found conflicts between different versions of the same dependent assembly
... one found at
https://gist.github.com/1553265
Another simple method is to set Build
output verbosity (Tools, Options, Projects and Solutions, Build and
Run, MSBuild project build output verbosity, Detailed) and after
building, search the output window for the warning, and look at the
text just abov...
How do I set a background-color for the width of text, not the width of the entire element, using CS
...g words in css file (not very practical)
h1 {
display: flex; /* set a flex box */
justify-content: center; /* so you can center the content like this */
}
h1::before {
content:'The Last Will and Testament of Eric Jones'; /* the content */
padding: 5px;font-size: 20px;ba...
Is it possible to set UIView border properties from interface builder?
...
Actually you can set some properties of a view's layer through interface builder. I know that I can set a layer's borderWidth and cornerRadius through xcode. borderColor doesn't work, probably because the layer wants a CGColor instead of a UI...
How to install APK from PC?
... can install an app from a source other than the Android Market, they must set the "Unknown sources" setting on their device, to allow installation of apps from places other than the Android Market (Google Play!)
– Ollie C
Mar 15 '12 at 11:54
...