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as seen on Ask Ubuntu
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As the title says, I'm having trouble with a very noisy audio input device - the internal mic or any plugged in mics.
So far I've narrowed it down to an problem in ALSA since my debug info is showing a lot of "null" values. Can anyone help?
Debug Info: http://www.alsa-project.org/db/?f=e0c6fb7e10624bf7691aa2b405cf0d3968e56c63
Exert…
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as seen on SQL Blogcasts
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Tuning takes many routes and I get into some interesting situations and often make some exciting finds, see http://sqlblogcasts.com/blogs/grumpyolddba/archive/2010/05/17/just-when-you-thought-it-was-safe.aspx for an example. Today I encountered a multitude of Foreign Key constraints on a table, now…
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as seen on Stack Overflow
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I have few queries and am not able to figure out how to optimize them,
QUERY 1
select *
from t_twitter_tracking
where classified is null and tweetType='ENGLISH'
order by id limit 500;
QUERY 2
Select
count(*) as cnt,
DATE_FORMAT(CONVERT_TZ(wrdTrk.createdOnGMTDate,'+00:00','+05:30'),'%Y-%m-%d')…
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as seen on Stack Overflow
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I need your help!!!.
I need to query a table in my database that has record of goods sold. I want the query to detect a particular product and also calculate the quantity sold. The product are 300 now, but it would increase in the future.
Below is a sample of my DB Table
#----------------------------
#…
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as seen on Stack Overflow
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When doing null checks in Java code, and you throw IllegalArgumentExceptions for null values, what kind of message template do you use?
We tend to use something like this
public User getUser(String username){
if (username == null){
throw new IllegalArgumentException("username is null");…
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as seen on Server Fault
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As root, using a reasonably default .profile and .shrc and an empty tmux.conf, I am unable to split the window horizontally. There are a number of cases to consider so I'll list them clearly.
Using the keybinding + empty configuration: nothing happens
Using the keybinding + my configuration: a bell…
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as seen on Stack Overflow
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One of my tables has a two-column primary key:
CREATE TABLE tournament (
state CHAR(2) NOT NULL,
year INT NOT NULL,
etc...,
PRIMARY KEY(state, year)
);
I want a reference to the tournament table from another table, but I want this reference to be nullable. Here's how I might do…
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as seen on Stack Overflow
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How are you handling the entry of numeric values in WPF applications?
Without a NumericUpDown control, I've been using a TextBox and handling its PreviewKeyDown event with the code below, but it's pretty ugly.
Has anyone found a more graceful way to get numeric data from the user without relying…
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as seen on Oracle Blogs
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Elfsign Object Signing on Solaris
Don't let this happen to
you—use elfsign!
Solaris elfsign(1) is a command that signs and verifies ELF format executables. That includes not just executable programs (such as ls or cp), but other ELF format files including libraries (such…
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as seen on Super User
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Very confusing question here.
I want to use the short cut key of force quit - in mac os x. It is written as follows.
Command + Alt / Option + Reverse Q ( like key ).
I am unable to use this short cut key. Any help please.
Sagar
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