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Importance of varchar length in MySQL table
...ses much angst and gnashing of teeth when some clown has just done varchar(50000) just in case someone has a really large last name :-)
– paxdiablo
Dec 26 '09 at 1:03
21
...
How to dump a table to console?
... also be capable of handling really large tables due to the way it handles concatenation. In my personal usage of this function, it outputted 63k lines to file in about a second.
The output also keeps lua syntax and the script can easily be modified
for simple persistent storage by writing the outp...
When to use lambda, when to use Proc.new?
...rted in Ruby 1.9 with the alternative lambda syntax (as noted by webmat):
concat = ->(a, b=2){ "#{a}#{b}" }
concat.call(4,5) # => "45"
concat.call(1) # => "12"
And Michiel de Mare (the OP) is incorrect about the Procs and lambda behaving the same with arity in Ruby 1.9. I have verified...
How can I easily view the contents of a datatable or dataview in the immediate window
...ble.Columns.Count; i++)
{
sLogMessage = string.Concat(sLogMessage, string.Format(sColFormat, table.Columns[i].ToString()));
}
//Debug.Write(Environment.NewLine);
Log?.Debug(sLogMessage);
var sUnderScore = string.Empty;
...
Split array into chunks
...', {
value: function(chunkSize) {
var array = this;
return [].concat.apply([],
array.map(function(elem, i) {
return i % chunkSize ? [] : [array.slice(i, i + chunkSize)];
})
);
}
});
console.log(
[1, 2, 3, 4, 5, 6, 7].chunk_inefficient(3)
)
// [[1,...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...=DSourceName;Initial Catalog=DBName;Integrated Security=True;Max Pool Size=50000;Pooling=True;" providerName="System.Data.SqlClient" />
At last use
try
{...}
catch
{...}
finaly
{
connection.close();
}
...
Portable way to get file size (in bytes) in shell?
...ays in my opinion with common Linux tools are:
$ stat -c %s /usr/bin/stat
50000
$ wc -c < /usr/bin/wc
36912
But I just don't want to be typing parameters or pipe the output just to get a file size, so I'm using my own bfsize.
...
How do you install an APK file in the Android emulator?
... people are by luck getting adb in their paths.
– Hal50000
May 1 '16 at 14:30
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MySQL Select Date Equal to Today
...
You can use the CONCAT with CURDATE() to the entire time of the day and then filter by using the BETWEEN in WHERE condition:
SELECT users.id, DATE_FORMAT(users.signup_date, '%Y-%m-%d')
FROM users
WHERE (users.signup_date BETWEEN CONCAT(CUR...
为维护国家安全 中国限制出口无人机和高性能计算机 - 资讯 - 清泛网 - 专注...
...飞艇的设备或部件；
1.2.2 设计或改型后用于在15420米（50000英尺）以上高空飞行的无人驾驶航空飞行器、无人驾驶飞艇的吸气活塞式或转子式内燃发动机（海关商品编号：8407102010）。
注：1.1、1.2不适用于模型飞机或模型飞艇。...