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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...Nib];
nibView.frame = self.bounds;
// the autoresizingMask will be converted to constraints, the frame will match the parent view frame
nibView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
// Adding nibView on the top of our view
[self ad...
sql “LIKE” equivalent in django query
... = table.objects.filter(string__contains='pattern')
The SQL equivalent is
SELECT ... WHERE string LIKE '%pattern%';
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How to insert a value that contains an apostrophe (single quote)?
... 'O''Brien')
/\
right here
The same applies to SELECT queries:
SELECT First, Last FROM Person WHERE Last = 'O''Brien'
The apostrophe, or single quote, is a special character in SQL that specifies the beginning and end of string data. This means that to use it as part...
How to cut an entire line in vim and paste it?
...
Pressing Shift+v would select that entire line and pressing d would delete it.
You can also use dd, which is does not require you to enter visual mode.
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Delete sql rows where IDs do not have a match from another table
...HERE f.id IS NULL
Using NOT EXISTS:
DELETE FROM BLOB
WHERE NOT EXISTS(SELECT NULL
FROM FILES f
WHERE f.id = fileid)
Using NOT IN:
DELETE FROM BLOB
WHERE fileid NOT IN (SELECT f.id
FROM FILES f)
Warning
Whenever possible, per...
Taking screenshot on Emulator from Android Studio
...or:
Just click 3 "Take Screenshot". Standard location is the desktop.
Or
Select "More"
Under "Settings", specify the location for your screenshot
Take your screenshot
UPDATE 22/07/2020
If you keep the emulator in Android Studio as possible since Android Studio 4.1 click here to save the screensho...
Android studio logcat nothing to show
...oid studio)
3) You can see the drop down in the right corner(spinner)
4) select -- Show only Selected application.
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Real differences between “java -server” and “java -client”?
...ient option is ignored for many years.
See Windows java command:
-client
Selects the Java HotSpot Client VM.
A 64-bit capable JDK currently ignores this option and instead uses the Java Hotspot Server VM.
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Random row from Linq to Sql
...ere row.IsActive // your filter
orderby ctx.Random()
select row).FirstOrDefault();
Note that this is only suitable for small-to-mid-size tables; for huge tables, it will have a performance impact at the server, and it will be more efficient to find the number of rows (Count),...
How to check a radio button with jQuery?
...
Found out that since there is only one that can be selected, $('input[name="type"]:checked').val() is nice as well.
– huggie
Dec 1 '14 at 13:40
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