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How to test android referral tracking?
... run in a terminal:
adb shell
am broadcast -a com.android.vending.INSTALL_REFERRER -n <your.package>/.<path.up.until.your.BroadcastReceiver> --es "referrer" "utm_source=test_source\&utm_medium=test_medium\&utm_term=test_term\&utm_content=test_content\&utm_campaign=test_...
PHP how to get local IP of system
...
From CLI
PHP < 5.3.0
$localIP = getHostByName(php_uname('n'));
PHP >= 5.3.0
$localIP = getHostByName(getHostName());
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Send attachments with PHP Mail()?
...a convenient place in your project.
Include the main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult to incredibly easy:
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
$email = new PHP...
Are PDO prepared statements sufficient to prevent SQL injection?
...or MySQL). Therefore, PDO internally builds the query string, calling mysql_real_escape_string() (the MySQL C API function) on each bound string value.
The C API call to mysql_real_escape_string() differs from addslashes() in that it knows the connection character set. So it can perform the escapin...
AngularJS For Loop with Numbers & Ranges
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A short way of doing this would be to use Underscore.js's _.range() method. :)
http://underscorejs.org/#range
// declare in your controller or wrap _.range in a function that returns a dynamic range.
var range = _.range(1, 11);
// val will be each number in the array not the inde...
Amazon S3 boto - how to create a folder?
...der abc/123/ in your bucket, it's a piece of cake with Boto
k = bucket.new_key('abc/123/')
k.set_contents_from_string('')
Or use the console
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How to compute the similarity between two text documents?
... package, computing cosine similarities is as easy as
from sklearn.feature_extraction.text import TfidfVectorizer
documents = [open(f) for f in text_files]
tfidf = TfidfVectorizer().fit_transform(documents)
# no need to normalize, since Vectorizer will return normalized tf-idf
pairwise_similarity ...
How to see which flags -march=native will activate?
...ere (I guess): echo | gcc-6 -dM -E - -march=sandybridge | grep AVX #define __AVX__ 1 but cache sizes do seem absent.
– rogerdpack
Jul 14 '16 at 0:37
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Check if a variable is of function type
...
Underscore.js uses a more elaborate but highly performant test:
_.isFunction = function(obj) {
return !!(obj && obj.constructor && obj.call && obj.apply);
};
See: http://jsperf.com/alternative-isfunction-implementations
EDIT: updated tests suggest that typeof ...
EF Migrations: Rollback last applied migration?
...some clarification to this thread:
Update-Database -TargetMigration:"name_of_migration"
What you are doing above is saying that you want to rollback all migrations UNTIL you're left with the migration specified. Thus, if you use GET-MIGRATIONS and you find that you have A, B, C, D, and E, then u...