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Find index of a value in an array
Can linq somehow be used to find the index of a value in an array?
8 Answers
8
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Saving an Object (Data persistence)
...1 — similar to referencing the last element of a sequence via a negative index.
So, instead of writing:
pickle.dump(obj, output, pickle.HIGHEST_PROTOCOL)
You can just write:
pickle.dump(obj, output, -1)
Either way, you'd only have specify the protocol once if you created a Pickler object for...
Ignore files that have already been committed to a Git repository [duplicate]
...repository that I added a .gitignore file to. How can I refresh the file index so the files I want ignored get ignored?
2...
Bootstrap Modal immediately disappearing
...l code, e.g., var Modal.
Unfortunately, these won't always find things in all cases. Inspecting the network requests can be a little more robust at giving you a picture of everything loaded on a page.
A (Broken) Demo
Here's a demo of what happens when you load both the bootstrap.js and bootstrap-...
Echo equivalent in PowerShell for script testing
...st: Write directly to the console, not included in function/cmdlet output. Allows foreground and background colour to be set.
Write-Debug: Write directly to the console, if $DebugPreference set to Continue or Stop.
Write-Verbose: Write directly to the console, if $VerbosePreference set to Continue...
How should I pass multiple parameters to an ASP.Net Web API GET?
... success: function (data) {
$.each(data, function (index, v) {
alert(index + ': ' + v.name);
});
},
statusCode: {
404: function () {
alert('Failed');
}
...
How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...rigin = req.headers.origin;
console.log(origin)
console.log(allowedOrigins.indexOf(origin) > -1)
// Website you wish to allow to
if (allowedOrigins.indexOf(origin) > -1) {
res.setHeader("Access-Control-Allow-Origin", origin);
}
// res.setHeader("Access-Control-Allow-Origin", "http://localho...
INNER JOIN vs LEFT JOIN performance in SQL Server
... problems lie elsewhere, such as not having a candidate key or foreign key indexed properly. 9 tables is quite a lot to be joining so the slowdown could literally be almost anywhere. If you post your schema, we might be able to provide more details.
Edit:
Reflecting further on this, I could th...
Focus Next Element In Tab Index
...Do not forget the "." class selector prefix in the code below)
var lastTabIndex = 10;
function OnFocusOut()
{
var currentElement = $get(currentElementId); // ID set by OnFOcusIn
var curIndex = currentElement.tabIndex; //get current elements tab index
if(curIndex == lastTabIndex) { //if ...
Select Pandas rows based on list index
...
List = [1, 3]
df.ix[List]
should do the trick!
When I index with data frames I always use the .ix() method. Its so much easier and more flexible...
UPDATE
This is no longer the accepted method for indexing. The ix method is deprecated. Use .iloc for integer based indexing and ...