Tutorial by Examples: et

A common workflow for using Git LFS is to declare which files are intercepted through a rules-based system, just like .gitignore files. Much of time, wildcards are used to pick certain file-types to blanket track. e.g. git lfs track "*.psd" When a file matching the above pattern is adde...
>>> df ID Year Jan_salary Feb_salary Mar_salary 0 1 2016 4500 4200 4700 1 2 2016 3800 3600 4400 2 3 2016 5500 5200 5300 >>> melted_df = pd.melt(df,id_vars=['ID','Year'], v...
Example for searching just one user with a specific id, you should do: $options = ['limit' => 1]; $filter = ['_id' => new \MongoDB\BSON\ObjectID('578ff7c3648c940e008b457a')]; $query = new \MongoDB\Driver\Query($filter, $options); $cursor = $manager->executeQuery('database_name.collect...
Example for searching multiple users with the name "Mike": $filter = ['name' => 'Mike']; $query = new \MongoDB\Driver\Query($filter); $cursor = $manager->executeQuery('database_name.collection_name', $query); foreach ($cursor as $doc) { var_dump($doc); }
Example for deleting all documents where name is equal to "Peter": $bulk = new \MongoDB\Driver\BulkWrite; $filter = ['name' => 'Peter']; $bulk->delete($filter); $result = $manager->executeBulkWrite('database_name.collection_name', $bulk);
Detailed instructions on getting mule set up or installed. Before going to start with mule we have to insure that java home is set. Mule CE runtime don't need installation. We have to just unzip the downloaded file and go to bin directory of mule runtime. In MS windows Operating system we have...
Sometimes specific instances of data should be used. Recreation is not desired and referencing static data would have a code smell. It is possible to specify a XmlAdapter instance the Unmarshaller should use, which allows the user to use XmlAdapters with no zero-arg constructor and/or pass data to ...
1 - Include the CoreLocation.framework in your project; this is accomplished by clicking on: root directory -> build phases -> Link Binary With Libraries Click on the (+) button, look for CoreLocation.framework and click add. 2- Modify the info.plist file to ask for permission to use user...
All parameters specified after the first asterisk in the function signature are keyword-only. def f(*a, b): pass f(1, 2, 3) # TypeError: f() missing 1 required keyword-only argument: 'b' In Python 3 it's possible to put a single asterisk in the function signature to ensure that the rema...
Detailed instructions on getting windows-phone-8 set up or installed.
In this example, a private static instance of the class is declared at its beginning. The value of a static field is shared between instances, so if a new instance of this class gets created the if will find a reference to the first Singleton object, destroying the new instance (or its game object)...
On calling, an application chooser dialog will appear and by selecting an application you can share your content with it. For calling use this line of code in your program class: share(context, "This is a test message", "Test Subject") Function's definition: public static v...
add permission in your manifest file <uses-permission android:name="android.permission.BLUETOOTH" /> In your Fragment(or Activity) Add the receiver method private BroadcastReceiver mBluetoothStatusChangedReceiver = new BroadcastReceiver() { @Override public void o...
Once you have setup the Retrofit environment in your project, you can use the following example that demonstrates how to upload multiple files using Retrofit: private void mulipleFileUploadFile(Uri[] fileUri) { OkHttpClient okHttpClient = new OkHttpClient(); OkHttpClient clientWith30sTime...
Here's the utility class: public class SharedPreferencesCompat { public static void putStringSet(SharedPreferences.Editor editor, String key, Set<String> values) { if (Build.VERSION.SDK_INT >= 11) { while (true) { try { ...
If you just want to get data, but not modify anything, you can turn off change tracking and proxy creation. This will improve your performance and also prevent lazy loading. Bad Example: using(var context = new Context()) { return await context.Set<MyEntity>().ToListAsync().ConfigureAw...
Sometimes gotoAndStop() is called in the middle of the code that refers some frame-based properties. But, right after the frame is changed all links to properties that existed on the current frame are invalidated, so any processing that involves them should be immediately terminated. There are two ...
import pandas as pd generate random DF df = pd.DataFrame(np.random.randint(0,10,size=(10, 3)), columns=list('ABC')) In [16]: print(df) A B C 0 4 1 4 1 0 2 0 2 7 8 8 3 2 1 9 4 7 3 8 5 4 0 7 6 1 5 5 7 6 7 8 8 6 7 3 9 6 4 5 select rows where value...
It is also possible to pass your custom object to other activities using the Bundle class. There are two ways: Serializable interface—for Java and Android Parcelable interface—memory efficient, only for Android (recommended) Parcelable Parcelable processing is much faster than serializable....
This example intend to be a gentle introduction to the Excel Object Model for beginners. Open the Visual Basic Editor (VBE) Click View --> Immediate Window to open the Immediate Window (or ctrl + G): You should see the following Immediate Window at the bottom on VBE: This wi...

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