Common php functions 2: file operations. Common php functions 2-file operations 1. file type 1. filetype () gets the file type function. The return value of the parameter string (path + file name) is string, file (common file), and di php common function 2 is file operation.
Next, we will parse the parsing function syntax format (syntax format diagram refer to: http://blog.csdn.net/yidian815/article/details/12709223).
Function name
When it comes to it people, it's a simple thing, not a description.
Function arguments:
Profiling functions typically have 0-3 parameters.
Partition clause:
By partitioning clauses, you can partition a recordset and then perform statistical ope
MySQL function learning NOTE 2: character Functions
1. Calculate the number of characters and length of a string-CHAR_LENGTH (s)
CHAR_LENGTH (str): Returns the number of characters contained in str.
Mysql> select CHAR_LENGTH ('mysql ');
+ ---------------------- +
| CHAR_LENGTH ('mysql') |
+ ---------------------- +
| 5 |
+ ---------------------- +
2. Merge charac
bool isTrackingSmallViewer = false; // identifies whether the image is being dragged.Static int moveCount = 0; // records the number of moves, which is used to display a red box during the move process.
Axmapcontrolpoliconmapreplaced event: axMapControl2.LoadMxFile (axMapControl1.DocumentFilename );
Loading data from two views may result in incomplete data display on the eagleeye view (I don't know if it's my computer's fault ...), In this way, data
: $newfunc\n";echo $newfunc(2, M_E) . "\n";
4. forward _? Static _? Call _? Array calls a static function in the same way as call_user_func_array
5. forward _? Static _? Call calls a static function in the same way as call_user_func.
6. func _? Get _? Arg (index) returns an index value for a parameter in the parameter list.
7. func _? Get _? Args collects all parameters in array form
8. func _? Num _? Args () returns the n
Some basic functions commonly used by PHP (II) 11. the number of bytes of the variable obtained by The strlen () function $ aaA013strlen ($ aa); the number of bytes obtained is 412. function substr () echosubstr (abcdef, 1 );???? Bcdefechosubstr (abcdef, 1, 3 );?? Bcdechosubstr (some basic functions commonly used by abcd PHP (2)
11. the strlen () function obtai
the contents after the cursor
Ctrl+y
Paste Ctrl+u or ctrl+k-cut content
Ctrl+r
Search in the history command, after pressing Ctrl+r, the search screen will appear, as long as the search content is entered, will be searched from the history command
Ctrl+d
Exit Current Terminal
CTRL + Z
Pause and put in the background. This shortcut is involved in the work management content. In the later section of the system administrat
should have answers.
To be honest, I can't remember so many functions.
3. Default bubble sorting, heap sorting, fast sorting, insert sorting, and binary sorting. Check your requirements.
4. loop.
Although PHP arrays are powerful, their efficiency is also low.
2. if the array is deleted and indexed, it is OK to delete it directly. Unset
If it is indexed by numbers, unset will be deleted and the array wil
Detailed descriptions of Data addition, deletion, query, and sorting
Add an array (add the first and last data records (not limited) and add data anywhere in the middle ).2 ~ Delete An Array (data at the beginning and end of the array (no limit on the number of items) and any data in the middle to delete the data. condition: Delete the data in the middle of the array and move the values following it forward, connect to the previous location ).3
Write a program that defines the abstract base class shape, derived from it by 3 derived classes, Circle (circle), Rectangle (Rectangle), Triangle (triangle). Use the following main () function to find the area and the number of geometry defined.int main () { Circle C1 (12.6), C2 (4.9),//Create Circle Class object C1,c2, parameters are circle radius Rectangle R1 (4.5,8.4), R2 (5.0,2.5);// Establish the Rectangle class object R1,R2, the parameters are rectangle length, width Triangle T1
The ztree official website has detailed APIs and demo demos. I will not detail them here. I will only describe some of the functions used.
1. Several js files used
Jquery-1.4.4.min.js (jQuery's core js)
Jquery. ztree. core-3.5.js (core js of ztree)
Jquery. ztree. excheck-3.5.js (check box function js of ztree)
Jquery.ztree.exe dit-3.5.js (ztree editing function js)
2. css files used
ZTreeStyle.css (only thi
Seven user functions of MVC5 website development 2. 1 modify and delete user data, mvc5.1
This time, we mainly implement the modification and deletion of user data on the management background interface. modifying user data and roles is a frequently used function, but there are few cases of Deleting Users, so we can continue to improve functional integrity. It mainly uses two actions: "Modify" and "Delete "
enterTOSubmit(name) { if (window.event.keyCode == 13 window.event.ctrlKey == false window.event.altKey == false){ var objSubmit=document.getElementById(name); objSubmit.focus; } else { return true; } }
// Determines whether it is a floating point number. true is returned correctly.
function isFloat(float,index){ var floatPat=/^(d{1,})[.](d{1,})$/; var matchArray=float.match(floatPat); if(matchArray!=null) { if(matchArray[
Label:1. Date functionMssql: SELECT GETDATE () Returns the current date and time SELECT DATEPART (yyyy,orderdate) as OrderYear, DATEPART (mm,orderdate) as OrderMonth, DATEPART (dd,orderdate) as Orderday From Orders1 WHERE orderid=1 Returns a separate part of the date/time SELECT Orderid,orderdate,dateadd (day,2,orderdate) as Orderpaydate From Orders1 Add or subtract a specified time interval in a date SELECT DATEDIFF (Day, ' 2016-06-08 ', ' 2016-0
Combining BootstrapTable and KnockoutJS to implement addition, deletion, modification, and query functions [2], bootstrapknockoutjs
In the previous article, I introduced the addition, deletion, modification, and query functions of BootstrapTable and KnockoutJS, and introduced some basic usage of knockout. js. Next, we will continue to introduce you through this a
Convert a string to a Date object
Sometimes it is necessary to convert a string to a Date object, but IE does not support new date ("2011-04-07") as a Date object, so it is supported under FF, so an extension function is written to convert a string, such as YYYY-MM-DD or dd/mm/yyyy, to a Date object. The code is as follows:
Convertdate
1/*
2 functions
--"shortcut", in the programming language, is generally called "syntax sugar."Do "Grammar sugar" do the best is Microsoft eldest brother, it put their home C # that kid did not male and female from, this want to figure personally see people love, who chengxiang also get place with people explain-actually it is a boy!In fact, the essence of the above code is: // var obj = {a:10, b:20}; // var arr = [5, ' X ', true]; var New Object (); = ten; =; var New
' => 'milk factory', 'height' => 100, 'width' => 50 ); $img = pc_assign_defaults($img, $defaults); ...}Parameters that pass variable numbers:
// $ Numbers is a variable number function mean ($ numbers) {// initialization to eliminate the warning $ sum = 0; // The number of statistical parameters $ size = count ($ numbers ); // iterate the elements in the array and calculate the su
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