Es6 notes 4 ^_^ function, es6 notes 4 functionI. Default function parameters
Now you can specify the default value of a parameter when defining a function, instead of using logic or operators as before.Es5
Function sayHello (name) {// The traditional way to specify the default parameter let name1 = name | 'hubwiz'; return 'hello' + name1 ;}
Use the default ES6 Parameters
Function sayHello2 (name = 'hubwiz')
BlackBerry App list
Is a list.
Next we will create a list of instances.
Function: a list containing two rows. Click (or press) a row in the list. A dialog box is displayed, showing the clicked result.
Steps:
1. Create a UiApplication object and initialize the application. For details about UiApplication and Screen, refer to blackberry ui app (1) | blackberry app (1)
2. declare the following fields in the inherited Screen class:
ListField list
The Vector contains the rows in the list.
ListCall
Restart idea:
Restart idea:
After restart, enter the following interface:
Step 4: Compile scala code in idea:
First, select "create new project" on the interface that we entered in the previous step ":
Select the "Scala" option in the list on the left:
To facilitate future development, select the "SBT" option on the right:
Click "Next" to go to the next step and set the name and directory of the scala project:
Click "finish" to
Arcpy basics-4. Advanced arcpy tools, arcpy-4
When using the tools in the arcmap toolbox, if the corresponding layers or data have been loaded, you can select from the drop-down list, that is to say, the tool automatically loads these layers by selecting them. This section describes how to automatically select layers and data.
1. Set the parameter type to Featurelayer, RasterLayer, and other parameters with
Array and pointer of C ++ Primer version 4 Reading Notes (3), primer version 4
The C ++ language provides two low-level composite types similar to the vector and iterator types-arrays and pointers. Similar to the vector type, Arrays can also store a group of objects of a certain type. The difference between them is that the length of the array is fixed. Once an array is created, new elements cannot be added
Chapter 4 Pointer pointer (advanced) and Chapter 4 Pointer pointer
Chapter 4
Pointer (advanced)
I hope that when beginners get started, they can read some original English books. I feel that English books are the original intent, while some current Chinese translations are the translator's understanding, so I want to be able to follow my own ideas.
A is the lo
Linux Command-Class 4, linux Command-4
1. System Management and Maintenance1. pwd: print working directory2. cd: change directory to change or enter the path● Cd ~ /Cd: current user directory; return to the main directory (with spaces in the middle !)● Cd/: root directory;● Cd-: The Last accessed directory;● Cd...: directory at the upper level● Cd "I have fun" Open the folder with spaces in the middle of th
Android day 4, mysterious seal gift box day 4
1. TextView is mainly used to display a piece of text information on the interface.
2. A Button control used to interact with users
// Register a listener for the Button click eventPublic class Click extends Activity {private Button button; @ Override ptotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. la
Redis basic 4-redis service, redis basic 4-redis
Redis configuration file
The main problem was that redis. pid was not found.
Below is my configuration file
# By default Redis does not run as a daemon. Use 'yes' if you need it.# Note that Redis will write a pid file in /var/run/redis.pid when daemonized.daemonize yes# When running daemonized, Redis writes a pid file in /var/run/redis.pid by# default. You c
Study Notes Chapter 4 Design webpage text, Study Notes Chapter 4
Key points:
1. Familiar with HTML 4 formatted text labels;
2. Master the text labels added to HTML5;
3. correctly select tags to design webpage text information.
4.1 Use text label 4.1.1 Title text
4.1.2 paragraph text
4.1.3 reference text
A piece of text cannot be directly placed in
4.1.4 empha
Mobile phone audio and video 4-basic functions of video players (1) and 4-basic functions
1. MediaPlayer and VideoView Introduction
The Android system provides developers to develop multimedia applications (audio and video)
1. MediaPlayer,
The underlying layer is decoded, And the MediaPlayer is responsible for dealing with the underlying layer. It encapsulates many methods such as start, pause, stop, and v
1. In the millet mobile phone, we click on "Millet function" and then open into the relevant interface:
2. After opening the "Address Book" interface of the Millet 4 mobile phone, we press the left mouse button to select the SIM card to import the contact person so that we can import the SIM card's contact person into the mobile phone.
3. If we click on the SIM card contact now
You can execute several statements to accelerate the INSERT operation after locking the table:Lock tables a WRITE;Insert into a VALUES );Insert into a VALUES (8, 26), (6, 29 );Unlock tables;This improves the performance by refresh the index cache to the disk at a time until all INSERT statements are completed. In general, there will be an overhead for refreshing the index cache to the disk for many INSERT statements. If multiple values can be inserted in one statement at a time, the displayed lo
Millet 4 Charge Tutorial:
1. Charge according to the standard Time and procedure, even if the first three times to do so,
First the charger (line charge)
Plug in the power and plug the charger's output back into the phone's charging port.
2. When the mobile phone charge is too low, should start charging as soon as possible, lithium battery in the case of the discharge of the most easily damaged!
3. Lithium battery activation does not require a sp
Note: IOS8 Beta5 cannot be upgraded on the phone now because IOS8 is not yet out of the official version and is now a beta version, so if you want to upgrade you will need to download iOS8 BETA5 system installation files on the Internet and then use itunes to upgrade.
At the same time, this upgrade will remove the data from the iphone, so it's best to back up the data before we upgrade IOS8 Beta5.
IPad 4 upgrade IOS8 BETA5 Tutorial
1. We go to Baid
Millet 4 anti-theft Tutorial:
First, set the Millet 4 screen unlock password
We set the power-on password, in the Millet 4 mobile phone Click "All set" to find inside the "Security and privacy" and then click "Screen Security" here can set the password.
Second, in order to prevent other people to operate, we can also close the lock screen drop-down menu, the
Glory 4 A screenshot method one: combination shortcut keys
Glory 4A is an Android mobile phone, so we can directly in the screen to intercept the interface and then press the "power button" + "Volume-key" (combination of shortcut key screenshots), while holding down the two keys, and then heard screenshots of the sound of the screenshot on behalf of the success of the screen:
Note: Glory 4A power supply keys and volume keys are located on t
Chapter 4 bundle and Chapter 4 bundle
----------------------------------------------
Note: This is the last article in the current series. You are not required to learn about mobile devices, WEB APIs, and other content. A practical project will be developed later.
----------------------------------------------
I. Script and style bundle
Location:/App_Start/BundleConfig. cs
Namespace:System. Web. Optimizatio
Silicon Valley social 4 -- setting pages, Silicon Valley social 4 --
Private void initData () {// The current user name bt_setting_out.setText ("log out (" + EMClient. getInstance (). getCurrentUser () + ")"); // logic for logging out. bt_setting_out.setOnClickListener (new View. onClickListener () {@ Overridepublic void onClick (View v) Rule model.getinstance().getglobalthreadpool(cmd.exe cute (new Runnab
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.