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How to create a tuple with only one element
...fficient to enclose a single value in parentheses). Ugly, but effective.
If you truly hate the trailing comma syntax, a workaround is to pass a list to the tuple() function:
x = tuple(['a'])
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How to list commits since certain commit?
... @KasunSiyambalapitiya ^ is an alias for first parent. See "SPECIFYING REVISIONS" in kernel.org/pub/software/scm/git/docs/git-rev-parse.html -- also see the manual git-scm.com/book/en/v2/Git-Tools-Revision-Selection -- or stackoverflow.com/questions/2221658/…
– Mic...
Delete ActionLink with confirm dialog
...
Poor implementation. Don't modify the server data on GET
– Dan Hunex
Apr 15 '13 at 19:12
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Dynamically add script tag with src that may include document.write
...rl + ' was loaded (' + --count + ' more scripts remaining).');
if (count < 1) {
callback();
}
};
}
function loadScript(url) {
var s = document.createElement('script');
s.setAttribute('src', url);
s.onload = urlCallba...
Postgresql: Conditionally unique constraint
... It's also worth noting that this index effects can't be deferred. If you need to perform bulk updates this may present a problem as the uniqueness is checked after every row, not after the statement like it would be for a constraint or after the transaction like it would be for a deferrable...
Regular expression for matching HH:MM time format
..." part in the string is valid. I resolved the issue by using the following if statement let res = value.match(regex); if (res && res[0] === value) doSomething();
– Taha Rehman Siddiqui
Oct 7 '19 at 17:55
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Difference between Char.IsDigit() and Char.IsNumber() in C#
What's the difference between Char.IsDigit() and Char.IsNumber() in C#?
3 Answers
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Percentage width child element in absolutely positioned parent on Internet Explorer 7
...ioned div its parent has a width of 0 hence why it itself collapses to 0.
If you would like a more in-depth discussion of this along with lots of working examples, have a gander here.
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Undefined reference to pthread_create in Linux
...ects on command line, and -lpthread is not an "option", it's a library specification. On a system with only libpthread.a installed,
gcc -lpthread ...
will fail to link.
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Does a method's signature in Java include its return type?
... public char myMethod(int param) {}
}
No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line:
public char myMethod(int param) {}
will give you can error: method is already defined in class, which further confirms the above statemen...