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How big is too big for a PostgreSQL table?
...ry it caches the most likely next rows. Step 4 we vacuum the database to reset the statistics for the query planner
– James Doherty
Nov 18 '19 at 12:42
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How to get the parents of a Python class?
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Styling an input type=“file” button
... How to display the name of selected file if display: none is set for input[type=file]?
– Sarthak Singhal
Aug 7 '15 at 9:17
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vim line numbers - how to have them on by default?
I can :set number from within a file I'm editing but how can I have them always be on by default?
8 Answers
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How to draw rounded rectangle in Android UI?
...nd_rect_shape" in my styles.xml, but to use different background colors by setting another property. Is there any option except creating an identical drawable for each color?
– karl
Dec 17 '13 at 17:52
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Check if a key exists inside a json object
..." in x)
true
("merchant_id_NotInObject" in x)
false
I'd recommend
just setting that expression == to what you're looking for
if (("merchant_id" in thisSession)==false)
{
// do nothing.
}
else
{
alert("yeah");
}
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operato...
How to use the TextWatcher class in Android?
... not change the text in the TextView from this method (by using myTextView.setText(String newText)).
onTextChanged(CharSequence s, int start, int before, int count)`
Similar to the beforeTextChanged method but called after the text changes.
The s parameter is the text after changes have been appl...
How to get all groups that a user is a member of?
...version. I simply changed the variable from $env:username to $username and set with $username = "testuser" to easily do variable substitution for other user lookups.
– projectdp
Jan 25 '16 at 21:23
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How to make an ng-click event conditional?
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Difference between web reference and service reference?
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