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How to normalize a path in PowerShell?
...nContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath(".\nonexist\foo.txt") Works with non-existant paths too. "x0n" deserves the credit for this btw. As he notes, it resolves to PSPaths, not flilesystem paths, but if you're using the paths in PowerShell, who cares? stackoverflow.com/que...
What special characters must be escaped in regular expressions?
...k in the left hand side of a substitution string in sed, namely
sed -e 's/foo\(bar/something_else/'
I tend to just use a simple character class definition instead, so the above expression becomes
sed -e 's/foo[(]bar/something_else/'
which I find works for most regexp implementations.
BTW Char...
How to redirect all HTTP requests to HTTPS
...7), but this has issues for me on certain URLs. For example, http://server/foo?email=someone%40example.com redirects to https://server/foo?email=someone%2540example.com i.e. the "@" sign gets URL-quoted twice. Using the method in @ssc's answer does not have this issue.
– psmear...
Big O, how do you calculate/approximate it?
... < 2*n; i += 2) { // 1
for (j=n; j > i; j--) { // 2
foo(); // 3
}
}
The first thing you needed to be asked is the order of execution of foo(). While the usual is to be O(1), you need to ask your professors about it. O(1) means (almost, mostly) constant C...
jQuery $(document).ready and UpdatePanels?
...get this to work for the life of me. Then I moved it from the head to the footer and it worked. Not positive, but I think it needed to come after the ScriptManager I am using.
– Adam Youngers
Sep 8 '11 at 22:45
...
Java “params” in method signature?
...gular parameter, but with an ellipsis ("...") after the type:
public void foo(Object... bar) {
for (Object baz : bar) {
System.out.println(baz.toString());
}
}
The vararg parameter must always be the last parameter in the method signature, and is accessed as if you received an arr...
MySQL Select all columns from one table and some from another table
...
Just use the table name:
SELECT myTable.*, otherTable.foo, otherTable.bar...
That would select all columns from myTable and columns foo and bar from otherTable.
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How to atomically delete keys matching a pattern using Redis
...: a one liner for the same basic effect -
$ redis-cli --scan --pattern "*:foo:bar:*" | xargs -L 100 redis-cli DEL
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Accessing nested JavaScript objects and arays by string path
...e behavior as when no key is found in the provided object. eg _.get(null, "foo") -> undefined, _.get(null, "foo", "bar") -> "bar". However this behavior is not defined in the docs so subject to change.
– Ian Walker-Sperber
Nov 2 '17 at 0:40
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Why is there no tuple comprehension in Python?
... equivalent of a C struct:
struct {
int a;
char b;
float c;
} foo;
struct foo x = { 3, 'g', 5.9 };
becomes in Python
x = (3, 'g', 5.9)
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