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Which is more efficient: Multiple MySQL tables or one large table?

...multiple values in future. e.g. credit limit is a single value field as of now. But tomorrow, you may decide to change the values as (date from, date to, credit value). Split tables might come handy now. My vote would be for multiple tables - with data appropriately split. Good luck. ...
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jQuery - setting the selected value of a select control via its text description

... Note that jQuery 1.4 has now changed this behavior to select by value if the attribute has been specified, and only select by text if the value attribute is missing. So in this example $('select').val('Two') will select the second option in 1.3.x, bu...
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Are PHP Variables passed by value or by reference?

... $str would be assigned null, in your case. – The Unknown Dev Jan 22 '15 at 19:31 if you do it this way @ObmerkKronen ...
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Can you Run Xcode in Linux?

...sed the general hardware requirements 1000 fold (NeXT could run in 8-16MB, now you need GB). Due to the close marriage of GCC and Objective C and NeXT, your best bet at running XCode natively under Linux would be to do a port (if you can get ahold of the source - good luck) utilizing the GNUStep li...
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Change color of PNG image via CSS?

...image to grayscale, sepia and lot more (look at the example). So you can now change the color of a PNG file with filters. body { background-color:#03030a; min-width: 800px; min-height: 400px } img { width:20%; float:left; margin:0; } /*Filter styles*/ .sat...
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in

... variable. When I run this code the output will be 10 and 10. Its simple. Now let's look at the static variable here; I am declaring the variable as a static. Example with static variable: public class Variable { public static int i = 5; public void test() { i = i + 5; ...
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My pull request has been merged, what to do next?

...ontribute to'. It is easier to: delete your fix branch (actually, it is now deleted for you) on your fork (and in your local cloned repo: see "Delete a Git branch both locally and remotely") git pull upstream master (if master was the branch in which your fix has been integrated: the merge will b...
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Optional query string parameters in ASP.NET Web API

... This issue has been fixed in the regular release of MVC4. Now you can do: public string GetFindBooks(string author="", string title="", string isbn="", string somethingelse="", DateTime? date= null) { // ... } and everything will work out of the box. ...
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Function pointers, Closures, and Lambda

I am just now learning about function pointers and, as I was reading the K&R chapter on the subject, the first thing that hit me was, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this compari...
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How to select a CRAN mirror in R

...rg" options(repos=r) }) which is in ~/.Rprofile. Edit: As it is now 2018, we can add that for the last few years the URL "https://cloud.r-project.org" has been preferable as it reflects a) https access and b) an "always-near-you" CDN. ...