Tutorial by Examples: c

Convert sam into bam (and back again)

Samtools can be used to convert between sam and bam: -b indicates that the input file will be in BAM format -S indicates that the stdout should be in SAM format samtools view -sB thing.bam > thing.sam And to convert between sam and bam: samtools view thing.sam > thing.bam samtools ...

bioinformatics • Basic Samtools

Creating a new SWT progam

Create a new text file named HelloWorld.java and paste this code in it: import org.eclipse.swt.*; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; public class HelloWorld { public static void main(String[] args) { final Display display = new Display(); ...

swt • Getting started with swt

Sample xml configuration using PropertyPlaceholderConfigurer

<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>classpath:ReleaseBundle.properties</value> </list> </bean>

spring • Property Source

Ignore an exception

try: metadata = metadata['properties'] except KeyError: pass

Python Language • The pass statement

Create a new Exception that can be caught

class CompileError(Exception): pass

Python Language • The pass statement

Firebase Push Notification in Cordova Android

Add Firebase to Your Android Project Add Firebase to your app To add Firebase to your app you'll need a Firebase project and a Firebase configuration file for your app. Create a Firebase project in the Firebase console, if you don't already have one. If you already have an existing Google proje...

Cordova • Firebase Push Notification Cordova

Running a Command twice

A Cmd cannot be reused after calling its Run, Output or CombinedOutput methods Running a command twice will not work: cmd := exec.Command("xte", "key XF86AudioPlay") _ := cmd.Run() // Play audio key press // .. do something else err := cmd.Run() // Pause audio key press,...

Go • Executing Commands

Accessing the TextBox Control in aspx Page

TextBox txt = (TextBox)FindControl(yourtxt_Id);

ASP.NET • Find Control by ID

Try not to panic

In Rust, there are two main methods to indicate something has gone wrong in a program: A function returning a (potentially custom-defined) Err(E), from the Result<T, E> type and a panic!. Panicking is not an alternative for exceptions, which are commonly found in other languages. In Rust, a p...

Rust • Panics and Unwinds

Creating Arrays

Creating arrays explicitly using ArrayNew() Declare an array with the ArrayNew function. Specify the number of dimensions as an argument. ArrayNew(dimension) creates an array of 1–3 dimensions. ColdFusion arrays expand dynamically as data is added. ArrayNew() returns an array. History Intr...

coldfusion • ColdFusion Arrays

Introduction

The header ctype.h is a part of the standard C library. It provides functions for classifying and converting characters. All of these functions take one parameter, an int that must be either EOF or representable as an unsigned char. The names of the classifying functions are prefixed with 'is'. Ea...

C Language • — character classification & conversion

Count Unique values in Range

Function countUnique(r As range) As Long 'Application.Volatile False ' optional Set r = Intersect(r, r.Worksheet.UsedRange) ' optional if you pass entire rows or columns to the function Dim c As New Collection, v On Error Resume Next ' to ignore the Run-time error 457: "Th...

excel-vba • User Defined Functions (UDFs)

Format Excel files with xlsxwriter

import xlsxwriter # create a new file workbook = xlsxwriter.Workbook('your_file.xlsx') # add some new formats to be used by the workbook percent_format = workbook.add_format({'num_format': '0%'}) percent_with_decimal = workbook.add_format({'num_format': '0.0%'}) bold = workbook.add_forma...

Python Language • Python and Excel

Character modifications

Character modifying functions include converting characters to upper or lower case characters, converting numbers to formatted numbers, performing character manipulation, etc. The lower(char) function converts the given character parameter to be lower-cased characters. SELECT customer_id, lower(cu...

SQL • Functions (Scalar/Single Row)

Definition: Intrinsic Content Size

Before Auto Layout, you always had to tell buttons and other controls how big they should be, either by setting their frame or bounds properties or by resizing them in Interface Builder. But it turns out that most controls are perfectly capable of determining how much space they need, based on their...

iOS • Content Hugging/Content Compression in Autolayout

The generated HTML with automaticaly loaded assets

<!DOCTYPE html> <html lang="en-EN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="csrf-param" content="_csrf"> <me...

yii2 • Asset management

Explicit Wait in Python

When browser navigates to a dynamic page (most commonly AJAX-based web application), the elements on the page can take different time to load, and furthermore: some elements will only load in response to some user actions. In such cases direct retrieval of an element may fail: # Don't do this: may ...

selenium • Waiting in Selenium

Create your own collection and use it to collect all your losses.

Here we will create collection for losses of Neural Network's computational graph. First create a computational graph like so: with tf.variable_scope("Layer"): W = tf.get_variable("weights", [m, k], initializer=tf.zeros_initializer([m, k], dtype=tf.float32)) ...

tensorflow • How to use TensorFlow Graph Collections?

More on Packages

In the Hello World, you were introduced to the package Ada.Text_IO, and how to use it in order to perform I/O operations within your program. Packages can be further manipulated to do many different things. Renaming: To rename a package, you use the keyword renames in a package declaration, as such...

ada • Packages

Using an Icon

The <use> element is often used for reuseable icons, in collaboration with the <symbol> element. That looks like this: <svg> <symbol viewBox="0 0 16 16" id="icon-star"> <path d="M16 6.216l-6.095-.02L7.98.38 6.095 6.196 0 6.215h.02l4....

SVG • use