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What is a serialVersionUID and why should I use it?
...VersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiver has loaded a class for the object that has a different serialVersionUID than that of t...
android:drawableLeft margin and/or padding
...ssible to set the margin or padding for the image which we added with the android:drawableLeft ?
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MySQL search and replace some text in a field
What MySQL query will do a text search and replace in one particular field in a table?
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What's the main difference between Java SE and Java EE? [duplicate]
What's the main difference between Java SE and Java EE?
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HTML table with fixed headers?
...isplay a long HTML table such that the column headers stay fixed on-screen and do not scroll with the table body. Think of the "freeze panes" effect in Microsoft Excel.
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What are sessions? How do they work?
...lication development, using python. I am coming across the terms 'cookies' and 'sessions'. I understand cookies in that they store some info in a key value pair on the browser. But I have a little confusion regarding sessions, in a session too we store data in a cookie on the user's browser.
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How to change column datatype in SQL database without losing data
I have SQL Server database and I just realized that I can change the type of one of the columns from int to bool .
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Are the shift operators () arithmetic or logical in C?
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When shifting left, there is no difference between arithmetic and logical shift. When shifting right, the type of shift depends on the type of the value being shifted.
(As background for those readers unfamiliar with the difference, a "logical" right shift by 1 bit shifts all the bits ...
PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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The new syntax “= default” in C++11
I don't understand why would I ever do this:
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