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How long should SQL email fields be? [duplicate]
...bution is at 19.
There isn't long tail. Everything falls off sharply after 38.
We cleaned up the DB by throwing away anything longer than 40. The good news is that no one has complained but the bad news is not many records got cleaned out.
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How does BLAS get such extreme performance?
...t makes use of some multiprocessor architecture with shared memory.
Level 3 functions are operations like the matrix-matrix product. Again you could implement them in terms of Level2 functions. But Level3 functions perform O(N^3) operations on O(N^2) data. So if your platform has a cache hierarc...
How can I check a C# variable is an empty string “” or null? [duplicate]
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oopbaseoopbase
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Good NumericUpDown equivalent in WPF? [closed]
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answered Mar 17 '11 at 3:23
SamSam
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How to implement Rate It feature in Android App
...le.name";// Package Name
private final static int DAYS_UNTIL_PROMPT = 3;//Min number of days
private final static int LAUNCHES_UNTIL_PROMPT = 3;//Min number of launches
public static void app_launched(Context mContext) {
SharedPreferences prefs = mContext.getSharedPreferences("...
What is the difference between HTTP and REST?
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No, REST is the way HTTP should be used.
Today we only use a tiny bit of the HTTP protocol's ...
The way to check a HDFS directory's size?
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Prior to 0.20.203, and officially deprecated in 2.6.0:
hadoop fs -dus [directory]
Since 0.20.203 (dead link) 1.0.4 and still compatible through 2.6.0:
hdfs dfs -du [-s] [-h] URI [URI …]
You can also run hadoop fs -help for more info ...
How do I get whole and fractional parts from double in JSP/Java?
...I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3
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Formula px to dp, dp to px android
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Note: The widely used solution above is based on displayMetrics.density. However, the docs exp...