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Do Java arrays have a maximum size?
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There are actually two limits. One, the maximum element indexable for the array and, two, the amount of memory available to your application. Depending on the amount of memory available and the amount used by other data structures, you may hit the memory limit before you reach th...
Postgresql: password authentication failed for user “postgres”
I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
How to download HTTP directory with all files and sub-directories as they appear on the online files
...he problem is that when wget downloads sub-directories it downloads the index.html file which contains the list of files in that directory without downloading the files themselves.
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Surrogate vs. natural/business keys [closed]
... for a logical primary key. They are both essentially just non-null unique index constraints.
– dkretz
Feb 12 '09 at 22:11
1
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Convert tabs to spaces in Notepad++
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The best answer for the question (perhaps not as the author intended it) is the tabs to spaces plugin offered below. The question asks for all tabs to spaces, while this answer only converts leading spaces. If, for example, you need to convert tab...
Replace multiple characters in a C# string
..., this reads:
"Search for ; or , or \t or \r or (space) or exactly two sequential \n and replace it with \n"
In C#, you could do the following: (after importing System.Text.RegularExpressions)
Regex pattern = new Regex("[;,\t\r ]|[\n]{2}");
pattern.Replace(myString, "\n");
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C# Equivalent of SQL Server DataTypes
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public string ConvertSqlServerFormatToCSharp(string typeName)
{
var index = Array.IndexOf(SqlServerTypes, typeName);
return index > -1
? CSharpTypes[index]
: "object";
}
public string ConvertCSharpFormatToSqlServer(string typeName)
{
var index = Array.IndexOf(CSha...
Cause of a process being a deadlock victim
...e in the select statement is causing the slow lookup time. Can I create an index based on this field? Is it advisable?
Probably. The cause of the deadlock is almost very likely to be a poorly indexed database.10 minutes queries are acceptable in such narrow conditions, that I'm 100% certain in you...
Is there a float input type in HTML5?
...0 (1 min, 10 sec)<br />
</form>
As usual, I'll add a quick note: remember that client-side validation is just a convenience to the user. You must also validate on the server-side!
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SQLiteDatabase.query method
I am using the query method of SQLiteDatabase. How do I use the query method?
5 Answers
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