variables | 易学教程

htaccess redirect with variables

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问题 I realise there are similar questions but I'm trying to work out how I can rewrite the following URL: http://www.myWEBaddress.com/?month=200904 to http://www.myWEBaddress.com/my-page.php?month=200904 Regards 回答1: Add the following to the .htaccess file in the root directory of your site. RewriteEngine on RewriteBase / RewriteCond %{QUERY_STRING} (^|&)month= [NC] RewriteRule ^ my-page.php [L] If you want to change the URL that the user sees in their browser address bar, change the last rule to

How to store array elemnts in diffrent variables in php [duplicate]

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问题 This question already has answers here : “Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP (28 answers) Closed 2 years ago . I have a select drop down list of languages and I'm intrested of putting each element of the array in diffrent variable. For you understanding my question I will put here a code: <html dir="ltl"> <?php header('Content-Type: text/html; charset=utf-8'); $db=mysqli_connect("localhost","root","","travelersdb"); mysqli_query(

How do I make a function return the result of multiple variable types in C?

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问题 Just started learning C from Cocoa developing guide and I was wondering how (if at all possible) I would return the result of a function with multiple variable types. For example, I have a simple math function that I made to practice what I am reading and I gave it multiple variable types: #include <stdio.h> float doMath (int variable1, float variable2, int variable3, float variable4); main() { printf ("Math is fun!!\n"); float theMath = doMath (2, 3.66, 9009, 7.990); printf ( "Result = %f\n"

Issues with changing variable using checkbox

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问题 I'm quite new to Python and was having some confusing issues. I have two scripts main.py and second.py . I have a base url that needs to be changed in the second.py see bellow example def getVarientStock(self, sku,base="http://www.baseurl.com"): urlVariantStock = base + '/Product-GetVariants?pid=' + sku r = requests.get(urlVariantStock, headers=self.headers) try: versions = json.loads(r.text)['variations']['variants'] except: if r.status_code == 404: return {'error' : '"' + self.sku + '" is

Valid batch file variable names?

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问题 I have the following problem with batch files. I simplify the problem below. Running the following batch file, foo.bat, returns word in standard out (in this case, command prompt window) instead of hey . foo.bat @SET 1word="hey" @ECHO %1word% However, executing echo %1word% from the command line returns hey . Is there a reason this should/might be the case? Are numbers not allowed to prefix environment variable names? 回答1: You can create and use environment variables with names that begin

How do I pass on javascript variables through a html link tag?

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问题 <a href="javascript:size('x')">HTML Link</a> I have the above code in my html file and want to pass on the variable 'x' to my javascript function 'size()'. In my javascript file, I'm trying to use the variable as follows: function size(id) { document.write("hi user number" + id); } I think my javascript part is correct and that my html syntax for sending the variable is wrong but having a bit of difficulty googling the correct syntax. Could someone help me here? thnx! 回答1: I think you need a

SQL Insert and Submit

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问题 When I execute this query it returns false, which means the query is wrong. Can you figure out why? $string1 = 'wee'; $string2 = 'wee'; $string3 = 'wee'; $string4 = 'wee'; if (isset($_POST['submit'])) { $query = "INSERT INTO data (book, title, content, author) VALUES ($string1, $string2, $string3, $string4)"; mysql_query($query, $con); } However, when I put something that is like the following, it returns true and inserts correctly: $query = "INSERT into data (book, title, content, author)

expect: store output of a spawn command into variable

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问题 Inside my "expect" script: set $REPOS "/path/to/repo/" set $REV 73 set LOG [spawn svnlook log -r $REV $REPOS] What this will store in the variable "LOG": 16345 (memory location). What it should store in the variable "LOG": "some message of the svn commit log". It seems like the is a problem with executing a bash command and then storing that output into an expect variable. Have you got any ideas? I am new to expect and tcl. 回答1: You did't need spawn there. Try: set LOG [exec svnlook log -r

powershell embedding one variable in another one

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问题 In powershell , for a complicated reason an application needs a 6 character string as a sort of handle (Eg: abcdef) for a long asynchronous operation. I perform this using $replaceHandle = "abcdef" start-Job -handle $replaceHandle The application stores the status of the asynchronous job in $abcdef (Prefixes string with $) and i can access parameters of job Status at any time by requesting Get-Status -ID $abcdef.ID Problem for me in my code is i am not able to get this $abcdef.ID properly I

Following pointer returned by malloc(0)

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问题 I am trying to understand a portion of code. I am leaving out a lot of the code in order to make it simpler to explain, and to avoid unnecessary confusion. typedef void *UP_T; void FunctionC(void *pvD, int Offset) { unsigned long long int temp; void *pvFD = NULL; pvFD = pvD + Offset; temp = (unsigned long long int)*(int *)pvFD; } void FunctionB(UP_T s) { FunctionC(s, 8); } void FunctionA() { char *tempstorage=(char *)malloc(0); FunctionB(tempstorage); } int main () { FunctionA(); return 0; }