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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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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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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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How to get the date from jQuery UI datepicker
...tepicker_id').datepicker('getDate');
if (jsDate !== null) { // if any date selected in datepicker
jsDate instanceof Date; // -> true
jsDate.getDate();
jsDate.getMonth();
jsDate.getFullYear();
}
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How to check a radio button with jQuery?
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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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How do I convert an integer to string as part of a PostgreSQL query?
...o 15 digits, you'll meed to cast to an 64 bit (8-byte) integer. Try this:
SELECT * FROM table
WHERE myint = mytext::int8
The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax
myint = cast ( mytext as int8)
If you have literal text you want to c...
USB Debugging option greyed out
...of this post.
When you connect your phone to your PC, using the USB cable, select the mode as PC Software.
Now you should be able to enable USB Debugging.
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