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How to pop an alert message box using PHP?

...ders HTML and Javascript to send to the client's browser. PHP is a server-side language. This is what allows it do things like INSERT something into a database on the server. But an alert is rendered by the browser of the client. You would have to work through javascript to get an alert. ...
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How do JavaScript closures work?

...ent is part of every execution context (stack frame), and is a map between identifiers (ie. local variable names) and values. Every function in JavaScript maintains a reference to its outer lexical environment. This reference is used to configure the execution context created when a function is invo...
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ASP.NET MVC: What is the purpose of @section? [closed]

... @section is for defining a content are override from a shared view. Basically, it is a way for you to adjust your shared view (similar to a Master Page in Web Forms). You might find Scott Gu's write up on this very interesting. Edit: Based on additional question clar...
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How do you fix a bad merge, and replay your good commits onto a fixed merge?

I accidentally committed an unwanted file ( filename.orig while resolving a merge) to my repository several commits ago, without me noticing it until now. I want to completely delete the file from the repository history. ...
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Create table (structure) from existing table

...ing from source to destination table. Try yourself:- CREATE TABLE Table1 ( Id int , Name varchar(200) ) INSERT INTO table1 VALUES (1,'A') INSERT INTO table1 VALUES(2,'B') -- Will create table2 with data in table1 SELECT * INTO Table2 FROM Table1 WHERE 1=2 -- Will create table2 without data in table1...
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How to use multiple @RequestMapping annotations in spring?

... That said, I'm having trouble getting the "" or "/" values to actually work in my application. Do they work for you? – Ed Brannin May 12 '10 at 19:15 ...
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How can I change the default Django date template format?

... I think this works only if date is provideded as a datetime object. What if it is just a string passed from the view? – Mohammed Shareef C Dec 13 '16 at 5:33 ...
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How do I make an HTML button not reload the page

...it"> ). When it is clicked the page reloads. Since I have some jQuery hide() functions that are called on page load, this causes these elements to be hidden again. How do I make the button do nothing, so I can still add some action that occurs when the button is clicked but not reload the page....
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)

...endless loop if the onerror image itself generates an error. EDIT To avoid endless loop, remove the onerror from it at once. <img src="imagenotfound.gif" alt="Image not found" onerror="this.onerror=null;this.src='imagefound.gif';" /> By calling this.onerror=null it will remove the onerro...
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Trim string in JavaScript?

... return this.replace(rtrim, ''); }; })(); } That said, if using jQuery, $.trim(str) is also available and handles undefined/null. See this: String.prototype.trim=function(){return this.replace(/^\s+|\s+$/g, '');}; String.prototype.ltrim=function(){return this.replace(/^\...