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What's the use/meaning of the @ character in variable names in C#?
...terfacing with other
programming languages. The character @
is not actually part of the
identifier, so the identifier might be
seen in other languages as a normal
identifier, without the prefix. An
identifier with an @ prefix is called
a verbatim identifier.
...
How do I split a string by a multi-character delimiter in C#?
...
This actually returns: 'Th' ' ' ' a sentence' with the example given in the question. Perhaps this is what he actually wants, but it's not what he specified.
– IRBMe
Jul 14 '09 at 17:53
...
Integer division: How do you produce a double?
...
Widening primitive conversions do not
lose information about the overall
magnitude of a numeric value.
[...]
Conversion of an int or a long value
to float, or of a long value to
double, may result in loss of
precision-that is, the result may lose
some of the least significa...
Add a default value to a column through a migration
... What do you mean when you say "make sure you update the field manually on the migration"? How does one do that?
– David Argyle Thacker
Jan 8 '16 at 21:51
7
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Java synchronized static methods: lock on object or class
...en when there are multiple instances of that class. The locking is essentially the same as locking on the Object.class for each synchronized method.
– Steven
Oct 16 '12 at 23:36
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Test for multiple cases in a switch, like an OR (||)
...
You can use fall-through:
switch (pageid)
{
case "listing-page":
case "home-page":
alert("hello");
break;
case "details-page":
alert("goodbye");
break;
}
...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
...t over 2 weeks (not even kidding) and this is the closest I have got to finally be able to connect. It is however stuck on 'starting mysql' ..... But thanks, nice post!
– L. Klotz
Nov 3 '15 at 12:40
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Pandas: drop a level from a multi-level column index?
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@yoonghm It is there, you are probably just calling it on columns that don't have a multi-index
– matt harrison
Dec 18 '18 at 14:59
1
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How to center canvas in html5
..., let me add a little bit more details.
The above properties will horizontally center the canvas, div or whatever other node you have relative to it's parent. There is no need to change the top or bottom margins and paddings. You specify a width and let the browser fill the remaining space with the...
SQL WHERE ID IN (id1, id2, …, idn)
...tion 2 does the same but you repeat the column name lots of times; additionally the SQL engine doesn't immediately know that you want to check if the value is one of the values in a fixed list. However, a good SQL engine could optimize it to have equal performance like with IN. There's still the rea...