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How would you do a “not in” query with LINQ?
...omers
where !(from o in dc.Orders
select o.CustomerID)
.Contains(c.CustomerID)
select c;
foreach (var c in query) Console.WriteLine( c );
from The NOT IN clause in LINQ to SQL by Marco Russo
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Do fragments really need an empty constructor?
...
Yes they do.
You shouldn't really be overriding the constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle)
For example:
public static final MyFragment newInstance(int title, String message) {
MyF...
Live character count for EditText
...t the best way to do a live character count of an edit-text box is in Android. I was looking at this but I couldn't seem to make any sense of it.
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Store boolean value in SQLite
...ase specific values e.g.
CREATE TABLE IF NOT EXISTS "boolean_test"
(
"id" INTEGER PRIMARY KEY AUTOINCREMENT
, "boolean" TEXT NOT NULL
CHECK( typeof("boolean") = "text" AND
"boolean" IN ("TRUE","FALSE")
)
);
INSERT INTO "boolean_test" ("boolean") VALUES ("TRUE"...
How to get URL of current page in PHP [duplicate]
..._URI']; ?>
if the current url was http://domain.com/some-slug/some-id, echo will return only '/some-slug/some-id'.
if you want the full url, try this:
<?php echo 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; ?>
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?
... instead of doing something like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String })
But honestly, it's really useful. The biggest...
How to pass the password to su/sudo/ssh without overriding the TTY?
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Avoid password showing up in process list or log files by putting it in a file and using cat; 'cat pw | sudo -S <command>, and later rm pw.
– CAB
Mar 24 '16 at 16:43
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iPhone : How to detect the end of slider drag?
How to detect the event when the user has ended the drag of a slider pointer?
16 Answers
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Facebook development in localhost
...ls.env == 'development' || Rails.env == 'test'
Rails.application.config.middleware.use OmniAuth::Builder do
provider :facebook, 'DEV_APP_ID', 'DEV_APP_SECRET'
end
else
# Production
Rails.application.config.middleware.use OmniAuth::Builder do
provider :facebook, 'PRODUCTION_APP_ID', '...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...rom layout completely. You can often get around this by using visibility: hidden instead which will allow visible descendants to show, but the hidden elements will still affect layout as they originally did. In short, just be careful.
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