Write the output result of the php segment:
The answer is: 501.
It involves two knowledge points:
1. php variable scope;
2. Auto-increment/auto-increment variables;
The interviewer understands the scope of "php variables" well, but he is not sure about "auto-increment/auto-increment variables. The following is a revi
I saw an interview question today, which involves a very elementary question, as shown below:
Write the output result of the php segment:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
$ Count = 5;Function get_count (){Static $ count = 0;Return $ count ++;}Echo $ count;+ + $ Count;Echo get_count ();Echo get_count ();
?>
The answer is:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->501
It i
reference Advanced, reference advanced add#include Auto Auto variable automatically creates data based on type #include Bool#include EnumC is a weak type and does not do type checking. C + + is a strong type and requires more rigor. Enum.c#include Enum.cpp#include newdelete Global #include Big Data multiplication and structure#define _crt_secure_no_warnings#include #define _crt_secure_no_warnings#includefu
accurately, become the automobile insurance, used car transactions, mobile police work pain points.Frame number RecognitionRecognition resultsVin code (frame number) recognition features1, data collection, the video stream automatically obtain the best frame image OCR recognition, no need to click the photo button;2, not affected by the environment, rainy days, the night can be accurately identified;3, compatible with all mobile phones;4. Fast recognition speed, high OCR recognition accuracy;5,
Original: thinkphp auto-Create data, auto-validate, auto-Complete Detailed example introduction (19)1: Automatically create data//$name =$_post[' name '];//$password =$_post[' password '); ---The post value that this registration page passes overThe following uses the auto-dress Create method can not use this, will act
First, set the Super automatic promptSet Eclipse/myeclipse code hints can be convenient for developers, do not remember the rambling words, only with the first letter, the prompt menu will appear. As easy as Dreamweaver.1. Menu Window->preferences->java->editor->content assist-right-auto-activaction column-enable auto activation Option to tick2.Auto Activation tr
1. First, you need to extract the downloaded installation package to the specified folder.
2. Then need to install the environment on the computer, open the Environment installation file, and then double-click the "Setup" file
This jquery plug-in adds an auto-increment or auto-increment button to your text box to facilitate the control of input values. Sometimes you need to implement the value auto-increment or auto-increment function for the text box when designing the form. For example, the default value is 1. Click the up button to add th
"#Auto layout#" Xcode6 Some of the changes that occur when you create an Auto Layout constraint??? Run effect: does not start at the top, it seems to be calculated from the 20 height of the statusbar????? In addition, when setting the top and bottom constraints also try not to choose the default, try to click on the right side of the small arrow, in the box select the parent view, as shown in:?? created:05/
This jquery plug-in adds an auto-increment or auto-increment button to your text box to facilitate the control of input values. Sometimes you need to implement the value auto-increment or auto-increment function for the text box when designing the form. For example, the default value is 1. Click the up button to add th
IOS auto-rolling and IOS auto-Rolling
The so-called elastic scroll refers to the process from slow to slow when the finger of a long page is turned.
Most browsers on the Android platform default this behavior.
Currently, ios only produces auto-scroll effects for the overflow under
A while ago I made a mobile phone official website, used the overflow in
Auto Layout without ConstraintsAutomatic layout with no constraintsStack views provide a easy-to leverage the power of Auto Layout without introducing the complexity of constraints. A single stack view defines a row or column of user interface elements. The stack view arranges these elements based on its properties.The stack view provides a simple way to measure (leverage) the power of automatic layouts, an
++ And -- both operators are single-object operators, which have the right combination (that is, the combination of priority and the variable on the right of the operator), and their priority is higher than other arithmetic operators. When the ++ or -- operator is placed on the left of the variable, it is called a prefix operation, indicating that the value of the variable is used after the auto-increment or auto
First, let's take a look at the questions about the auto-increment and auto-increment operations in PHP:
$ A = 1; $ B = $ a; if ($ B = $ a ++) echo "true"; else echo "false ";
First, create a variable $ a and set the value to 1;
Then, a variable $ B is created and used as a reference to $;
Finally, this judgment statement contains two Opcodes: POST_INC and IS_EQUAL. First, the Post-
Auto mounting configuration file and auto mounting configuration file
Open/etc/auto. master first
Add path:# Mnt/etc/auto. nfs
Edit/etc/auto. nfs
# Vim/etc/auto. nfs
Add an nfs shared ip address and Path
Nfs file forma
I. Set MyEclipse auto-prompt function from a~z1. "Window" → "Preferences"2. Select "Java", expand, "Editor", and select "Content Assist".3. Select "Content Assist" and see the "Auto Activation triggers for Java" option under "Auto-activation" on the right and right. Actually, it means "." is the trigger code hint. This symbol.4. "
First, set the Super automatic promptSet Eclipse/myeclipse code hints can be convenient for developers, do not remember the rambling words, only with the first letter, the prompt menu will appear. As easy as Dreamweaver.1. Menu Window->preferences->java->editor->content assist-right-auto-activaction column-enable auto activation Option to tick2.Auto Activation tr
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