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What is the difference between varchar and nvarchar?
Is it just that nvarchar supports multibyte characters? If that is the case, is there really any point, other than storage concerns, to using varchars ?
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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
I am trying to create a connection to my database, when I put test my code using the main method, it works seamlessly. However, when trying to access it through Tomcat 7, it fails with error:
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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
I have searched about static variables in C#, but I am still not getting what its use is. Also, if I try to declare the variable inside the method it will not give me the permission to do this. Why?
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JavaScript data grid for millions of rows [closed]
I need to present a large number of rows of data (ie. millions of rows) to the user in a grid using JavaScript.
19 Answers
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Sphinx autodoc is not automatic enough
I'm trying to use Sphinx to document a 5,000+ line project in Python. It has about 7 base modules. As far as I know, In order to use autodoc I need to write code like this for each file in my project:
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How to make ThreadPoolExecutor's submit() method block if it is saturated?
I want to create a ThreadPoolExecutor such that when it has reached its maximum size and the queue is full, the submit() method blocks when trying to add new tasks. Do I need to implement a custom RejectedExecutionHandler for that or is there an existing way to do this using a standard Java ...
Android Facebook integration with invalid key hash
In one of my apps I need to get data from Facebook... I am doing this:
25 Answers
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ADB Android Device Unauthorized
Since I reinstalled Eclipse (simply deleted and downloaded it again) I can't debug my applications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fine before reinstallation.
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“Rate This App”-link in Google Play store app on the phone
I'd like to put a "Rate This App"-link in an Android App to open up the app-listing in the user's Google Play store app on their phone.
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How do you make an element “flash” in jQuery
I'm brand new to jQuery and have some experience using Prototype. In Prototype, there is a method to "flash" an element — ie. briefly highlight it in another color and have it fade back to normal so that the user's eye is drawn to it. Is there such a method in jQuery? I see fadeIn, fadeOut, and an...