Tutorial by Examples: le

To open a file from local folder or temp folder, target file must not be located in those folders' root. For security reasons, to prevent other content from being exposed by WebView, the file meant for displaying must be located in a subfolder: var uri = new Uri("ms-appdata:///local/html/html-...
By default, the full indexed document is returned as part of all searches. This is referred to as the source (_source field in the search hits). If we don’t want the entire source document returned, we have the ability to request only a few fields from within source to be returned, or we can set _so...
In command mode(Esc) enter :gg=G to use Vim's built-in indention engine. Command PartDescriptionggstart of file=indent (when equalprg is empty)Gend of file You can set equalprg in your .vimrc to use a more sophisticated auto-formatting tool. For example, to use clang-format for C/C++ put the foll...
Docs file (Input File) Mary had a little lamb its fleece was white as snow and everywhere that Mary went the lamb was sure to go. Hive Query CREATE TABLE FILES (line STRING); LOAD DATA INPATH 'docs' OVERWRITE INTO TABLE FILES; CREATE TABLE word_counts AS SELECT word, count(1) AS count F...
When reading a potentially large file, a while loop has a significant memory advantage over foreach. The following will read the file record by record (by default, "record" means "a line", as specified by $/), assigning each one to $_ as it is read: while(<$fh>) { pri...
There are many fine ways to get this done, which others have already suggested. Following along the "get Excel data via SQL track", here are some pointers. Excel has the "Data Connection Wizard" which allows you to import or link from another data source or even within the very ...
Such Example is knowing wide spreading among PWAs (Progressive Web Applications) and in this example we're going to send a simple Backend like notification using NodeJS and ES6 Install Node-GCM Module : npm install node-gcm Install Socket.io : npm install socket.io Create a GCM Enable...
AWK is string manipulation language, used largely in UNIX systems. The idea behind AWK was to create a versatile language to use when working on files, which wasn't too complex to understand. AWK has some other variants, but the main concept is the same, just with additional features. These other v...
To track so called "virtual pageviews", use the ga('send') method right after your asynchronous request: Syntax: ga('send', 'pageview', 'path to your virtual page'); Example (Simple Link): <a href="http://example.com/my.pdf" onClick="ga('send', 'pageview', '/virtu...
import tkinter as tk root = tk.Tk() rbvar = StringVar() rbvar.set(" ") rb1 = tk.Radiobutton(root, text="Option 1", variable=rbvar, value='a', indicatoron=0) rb1.pack() rb2 = tk.Radiobutton(root, text="Option 2", variable=rbvar, value='b', indicatoron=0) rb2...
using System.Windows; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interactivity; namespace MyBehaviorAssembly { public class SliderDragEndValueBehavior : Behavior<Slider> { public static readonly DependencyProperty ValueProper...
When you have entered something into IEx which expects a completion, such as a multiline string, IEx will change the prompt to indicate that it is waiting for you finish by changing the prompt to have an ellipsis (...) rather than iex. If you find that IEx is waiting for you to finish an expression...
NOTE This page illustrates use of gulp plugins like browser-sync , gulp-watch and run-sequence , and continues discussing gulp-workflow-automation from where we left off at Gulpjs-workflow-automation-1 of 2. In case you landed here , consider going through that post first. Default Task ...
private float minScale = 1f; private float doubleTapScale = 2f; private float maxScale = 4f; private void SetUpDoubleTapZoom() { imageViewToZoom.ContentMode = UIViewContentMode.ScaleAspectFit; scrollView.MaximumZoomScale = maxScale; scrollView.MinimumZoomScale = minScale; ...
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Parallel GC is Stop-The-World (STW) collector which stop all the application threads when running the garbage collector. When Parallel GC was introduced it was only enabled the parallel GC in young generation collector and OldGeneration Collector was single thread stop-the-world collector, but late...
The returned value is intended to be suitable for use in a URL, not as a human-readable title. Use sanitize_text_field instead. $new_url = sanitize_title($title);
$incfile = sanitize_file_name($_REQUEST["file"]); include($incfile . ".php"); Without sanitizing the file name an attacker could simple pass http://attacker_site/malicous_page as input and execute whatever code in your server.
Lets say you want to filter a query by two columns, but only certain combinations of those columns. For example, it's OK to have account 60400 with reference JE, but you cannot have account 60400 with reference ED, but you can have account 60500 with reference ED. select * from schema.table where ...

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