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How to drop SQL default constraint without knowing its name?
In Microsoft SQL Server, I know the query to check if a default constraint exists for a column and drop a default constraint is:
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How can I get a collection of keys in a JavaScript dictionary? [duplicate]
... shim it in older browsers...
const keys = Object.keys(driversCounter);
If you wanted values, there is Object.values() and if you want key and value, you can use Object.entries(), often paired with Array.prototype.forEach() like this...
Object.entries(driversCounter).forEach(([key, value]) =>...
HTML5 textarea placeholder not appearing
...date (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF) character token,
then ignore that token and move on to the next one. (Newlines
at the start of textarea elements are ignored as an authoring
convenience.)
You might still have ...
Is there a command to list SVN conflicts?
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On Linux, if you want to see only the conflicts, pipe the status through grep.
svn status | grep -P '^(?=.{0,6}C)'
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PreparedStatement IN clause alternatives?
...ggested it.
Use a stored procedure to construct the result set.
Prepare N different size-of-IN-list queries; say, with 2, 10, and 50 values. To search for an IN-list with 6 different values, populate the size-10 query so that it looks like SELECT my_column FROM my_table WHERE search_column IN (1,2,3...
What is the difference between “int” and “uint” / “long” and “ulong”?
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I think it's also worth noting that specifically for int vs uint, the unsigned integer is not CLS-compliant, and it's recommended to use int as often as possible.
– db2
Apr 12 '19 at 15:31
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How to Set a Custom Font in the ActionBar Title?
How (if possible) could I set a custom font in a ActionBar title text(only - not the tab text) with a font in my assets folder? I don't want to use the android:logo option.
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...it, just a no-arg constructor?) with CDI, while I have to use @ManagedBean if I want to inject it with plain JSF?
– Matt Ball
Dec 3 '10 at 16:41
3
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How to quickly and conveniently create a one element arraylist [duplicate]
...List backed by a varargs T.
return Arrays.asList(s);
Variable size List
If it needs vary in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new A...
Easiest way to copy a table from one database to another?
... one database to a table in another database when the databases are under different users?
18 Answers
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