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What is the difference between SQL, PL-SQL and T-SQL?
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SQL is a query language to operate on sets.
It is more or less standardized, and used by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc.
PL/SQL is a proprietary procedural language used by Oracle
PL/pgSQL is...
Is there a VB.NET equivalent for C#'s '??' operator?
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Use the If() operator with two arguments (Microsoft documentation):
' Variable first is a nullable type.
Dim first? As Integer = 3
Dim second As Integer = 6
' Variable first <> Nothing, so its value, 3, is returned.
Console.WriteLine(If(f...
Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
...ways to handle this problem, but they tend to be inelegant, and to have limitations.
Approach #1
try {
// stuff
} catch (Exception1 ex) {
handleException(ex);
} catch (Exception2 ex) {
handleException(ex);
}
public void handleException(SuperException ex) {
// handle exception ...
Mismatched anonymous define() module
... error when I browse my webapp for the first time (usually in a browser with disabled cache).
7 Answers
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Bulk Insertion in Laravel using eloquent ORM
... Does this still apply to Laravel 4?
– advait
Jul 29 '14 at 18:06
4
@advait: yes, it st...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
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It looks like you don't have the python mysql package installed, try:
pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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How to Find And Replace Text In A File With C#
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Read all file content. Make a replacement with String.Replace. Write content back to file.
string text = File.ReadAllText("test.txt");
text = text.Replace("some text", "new value");
File.WriteAllText("test.txt", text);
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warning this call is not awaited, execution of the current method continues
...static async Task<string> GetNameAsync()
{
string firstname = await PromptForStringAsync("Enter your first name: ");
string lastname = await PromptForStringAsync("Enter your last name: ");
return firstname + lastname;
}
And use it as follows:
public static void DoStuff()
{
T...
How to set custom favicon in Express?
...s of the icon, rather than file system properties.
This module will serve with the most compatible Content-Type.
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How to detect a Christmas Tree? [closed]
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I have an approach which I think is interesting and a bit different from the rest. The main difference in my approach, compared to some of the others, is in how the image segmentation step is performed--I used the DBSCAN clustering algorithm from Python's scikit-learn; it's opti...