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Remove unwanted parts from strings in a column
... column?
– medev21
Sep 1 '16 at 19:50
Can I use this function to replace a number such as the number 12? If I do x.ls...
Using braces with dynamic variable names in PHP
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edited Feb 13 '12 at 8:50
answered Feb 13 '12 at 8:35
Sar...
In mongoDb, how do you remove an array element by its index?
...ex. In fact, this is an open issue http://jira.mongodb.org/browse/SERVER-1014 , you may vote for it.
The workaround is using $unset and then $pull:
db.lists.update({}, {$unset : {"interests.3" : 1 }})
db.lists.update({}, {$pull : {"interests" : null}})
Update: as mentioned in some of the comme...
How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
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answered May 30 '09 at 7:09
BruceBruce
7,19055 gold badges3434 silver badges4949 bronze badges
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How to match “any character” in regular expression?
...can. That should work.
. = any char
\. = the actual dot character
.? = .{0,1} = match any char zero or one times
.* = .{0,} = match any char zero or more times
.+ = .{1,} = match any char one or more times
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PHP multidimensional array search by value
...ll;
}
This will work. You should call it like this:
$id = searchForId('100', $userdb);
It is important to know that if you are using === operator compared types have to be exactly same, in this example you have to search string or just use == instead ===.
Based on angoru answer. In later versi...
Pointers vs. values in parameters and return values
... value receivers. As something nearer an upper bound, bytes.Replace takes 10 words' worth of args (three slices and an int). You can find situations where copying even large structs turns out a performance win, but the rule of thumb is not to.
For slices, you don't need to pass a pointer to change...
Launching Google Maps Directions via an intent on Android
...ent.Intent.ACTION_VIEW,
Uri.parse("http://maps.google.com/maps?saddr=20.344,34.34&daddr=20.5666,45.345"));
startActivity(intent);
To start the navigation from the current location, remove the saddr parameter and value.
You can use an actual street address instead of latitude and longitud...
What's the most efficient test of whether a PHP string ends with another string?
...substr_compare($str, $test, strlen($str)-strlen($test), strlen($test)) === 0;
If $test is longer than $str PHP will give a warning, so you need to check for that first.
function endswith($string, $test) {
$strlen = strlen($string);
$testlen = strlen($test);
if ($testlen > $strlen) ...
Checking from shell script if a directory contains files
...ob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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