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Increment value in mysql update query
I have made this code for giving out +1 point, but it doesn't work properly.
9 Answers
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Best practice to run Linux service as a different user
Services default to starting as root at boot time on my RHEL box. If I recall correctly, the same is true for other Linux distros which use the init scripts in /etc/init.d .
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Android Activity as a dialog
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To start activity as dialog I defined it like this in AndroidManifest.xml:
<activity android:theme="@android:style/Theme.Dialog" />
Use this property inside your activity tag to avoid that your Dialog appears in the recently used apps list
android...
How to move columns in a MySQL table?
Currently I am having the following MySQL table: Employees (empID, empName, department);
4 Answers
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C++ templates Turing-complete?
I'm told that the template system in C++ is Turing-complete at compile time. This is mentioned in this post and also on wikipedia .
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What is meant by the term “hook” in programming?
I recently heard the term "hook" while talking to some people about a program I was writing. I'm unsure exactly what this term implies although I inferred from the conversation that a hook is a type of function. I searched for a definition but was unable to find a good answer. Would someone be ab...
Add querystring parameters to link_to
I'm having difficultly adding querystring parameters to link_to UrlHelper. I have an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly.
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CSS - Overflow: Scroll; - Always show vertical scroll bar?
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Just ran into this problem myself. OSx Lion hides scrollbars while not in use to make it seem more "slick", but at the same time the issue you addressed comes up: people sometimes cannot see whether a div has a scroll feature or not. ...
DROP IF EXISTS VS DROP?
...latforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is
DROP TABLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database objects depend on it. Most often, the other database objects will be foreign...
How to get Url Hash (#) from server side
I know on client side (javascript) you can use windows.location.hash but could not find anyway to access from the server side.
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