Tutorial by Examples: df

Scale the image using START. Scale the image using END. Official Docs FitStart This will fit to the smallest size of the container, and it will align it to the start. <ImageView android:layout_width="200dp" android:layout_height="200dp" android:src...

function onButtonClick() { navigator.bluetooth.requestDevice({filters: [{services: ['heart_rate']}]}) .then(device => { // Connecting to GATT Server... return device.gatt.connect(); }) .then(server => { // Getting Heart Rate Service... return server.getP...

When committing changes it is possible to specify that the commit will in future be squashed to another commit and this can be done like so, git commit --squash=[commit hash of commit to which this commit will be squashed to] One might also use, --fixup=[commit hash] alternatively to fixup. It is...

To create a UDF, we need to extend UDF (org.apache.hadoop.hive.ql.exec.UDF) class and implement evaluate method. Once UDF is complied and JAR is build, we need to add jar to hive context to create a temporary/permanent function. import org.apache.hadoop.hive.ql.exec.UDF; class UDFExample ex...

This code requires that you use the PDFlib library for it to function properly. <?php $pdf = pdf_new(); //initialize new object pdf_begin_document($pdf); //create new blank PDF pdf_set_info($pdf, "Author", "John Doe"); //Set info about your PDF pdf_set_info($pd...

# The following shell function will be used to generate completions for # the "nuance_tune" command. _nuance_tune_opts () { local curr_arg prev_arg curr_arg=${COMP_WORDS[COMP_CWORD]} prev_arg=${COMP_WORDS[COMP_CWORD-1]} # The "config" option takes a file arg, so ...

A JDK installation and a text editor are the bare minimum for Java development. (It is nice to have a text editor that can do Java syntax highlighting, but you can do without.) However for serious development work it is recommended that you also use the following: A Java IDE such as Eclipse, In...

Here the steps required to create a Firebase project and to connect it with an Android app. Add Firebase to your app Create a Firebase project in the Firebase console and click Create New Project. Click Add Firebase to your Android app and follow the setup steps. When prompted, enter...

sqoop import \ --connect <rdbms-jdbc-url> \ --username <username> \ --password <password> \ --table <table-name> Example with Mysql: sqoop import \ --connect jdbc:mysql://mysql.example.com/testdb \ --username root \ --password root \ --table employees CSV file ...

Using --where tag sqoop import \ --connect <rdbms-jdbc-url> \ --username <username> \ --password <password> \ --table <table-name> \ --where "<condition>" Example with Mysql: sqoop import \ --connect jdbc:mysql://mysql.example.com/testdb \ --userna...

git clean -f Will remove all untracked files.

In order to call a function through a function pointer, the function pointer's type must exactly match the function's type. Otherwise, the behaviour is undefined. Example: int f(); void (*p)() = reinterpret_cast<void(*)()>(f); p(); // undefined

sys.dm_db_index_physical_stats ( { database_id | NULL | 0 | DEFAULT } , { object_id | NULL | 0 | DEFAULT } , { index_id | NULL | 0 | -1 | DEFAULT } , { partition_number | NULL | 0 | DEFAULT } , { mode | NULL | DEFAULT } ) Sample : SELECT * FROM sys.dm_db_inde...

/* PL/SQL is a core Oracle Database technology, allowing you to build clean, secure, optimized APIs to SQL and business logic. */ set serveroutput on BEGIN DBMS_OUTPUT.PUT_LINE ('Hello World!'); END;

Get-SPFeature -Site https://mysharepointsite/sites/test Get-SPFeature can also be run on web scope (-Web <WebUrl>), farm scope (-Farm) and web application scope (-WebApplication <WebAppUrl>). Get all orphaned features on a site collection Another usage of Get-SPFeature can be to find ...

Those that are using TortioseGit UI click Right Mouse on the file (or folder) you want to ignore -> TortoiseGit -> Delete and add to ignore list, here you can choose to ignore all files of that type or this specific file -> dialog will pop out Click Ok and you should be done.

You want to add a signature to a PDF in a way that a standard conform PDF viewer (e.g. Adobe Reader) will recognize, display, and validate as an integrated PDF signature. In that case you cannot simply externally create a signature covering the original PDF as is and expect to now have to merely so...

If multiple signatures are to be integrated into a PDF, this is done by means of incremental PDF updates (explicitly not by adding multiple SignerInfo structures to a single integrated CMS signature container!): The cryptographic verification of these signatures merely guarantees that the byte ra...

Install PDFTK Server from https://www.pdflabs.com/tools/pdftk-server/ PDFtk Server is a command line tool which can: • Merge PDF Documents or Collate PDF Page Scans • Split PDF Pages into a New Document • Rotate PDF Documents or Pages • Decrypt Input as Necessary (Password Required...

A PDF document may contain the following standard types of signatures: Any number of approval signatures in signature form fields. At most one certification signature in a signature form field. It enables the author to specify what changes shall be permitted to be made to the document and what c...