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Set the value of a variable with the result of a command in a Windows batch file
...atch file you will need to write:
for /f "delims=" %%a in ('ver') do @set foobar=%%a
But, I instead suggest using Cygwin on your Windows system if you are used to Unix-type scripting.
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$(this).serialize() — How to add a value?
...
We can do like:
data = $form.serialize() + "&foo=bar";
For example:
var userData = localStorage.getItem("userFormSerializeData");
var userId = localStorage.getItem("userId");
$.ajax({
type: "POST",
url: postUrl,
data: $(form).serialize() + "&" + user...
Easy way to print Perl array? (with a little formatting)
.... Example:
use Data::Dumper;
# simple procedural interface
print Dumper($foo, $bar);
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What's a reliable way to make an iOS app crash?
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I think in Swift you could easily throw a fatal error:
func foo() {
fatalError("crash!")
}
It is actually even intended to use this feature in case something goes wrong in order to make the app crash.
To avoid an if statement in a special case, you could use precondition, too. ...
Add new attribute (element) to JSON object using JavaScript
... you have to do is address it using the dot notation.
mything.NewField = 'foo';
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Remove by _id in MongoDB console
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I've just bumped into this myself and this variation worked for me:
db.foo.remove({**_id**: new ObjectId("4f872685a64eed5a980ca536")})
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SQL update query using joins
... the FROM clause. So im in this case is valid
Generic example
UPDATE A
SET foo = B.bar
FROM TableA A
JOIN TableB B
ON A.col1 = B.colx
WHERE ...
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How do I tell CPAN to install all dependencies?
...
From then on install modules by executing (as root if necessary)
cpanm Foo::Bar
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Extracting specific columns in numpy array
...nswered Dec 5 '11 at 14:24
Fred FooFred Foo
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PHP - How to check if a string contains a specific text [duplicate]
...trpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some text' ) !== false ) echo 'text';
Note that my use ...