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MySQL vs MongoDB 1000 reads
...t MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
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Is VB really case insensitive?
...ase sensitive. String comparisons are usually case sensitive, unlike say T-SQL, but there are compiler switch to make string comparisons case insensitive. And of course there are the edge cases when dealing with inheritance, COM, and Dynamic Language Runtime.
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How do you do Impersonation in .NET?
... types. LOGON32_LOGON_INTERACTIVE was the first enum value that worked for sql server. My connection string was just trusted. No user name / password in the connection string.
<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _
Public Class Impersonation
Implements IDisposable...
Entity Framework DateTime and UTC
...tatype. This will store the time zone with the date value in the database (SQL Server 2015 in my case).
When EF Core requests the data from the DB it will receive the timezone info as well.
When you pass this data to a web application (Angular2 in my case) the date is automatically converted to the...
Why is String immutable in Java?
...ble. *** Example - Name one technique to attack the DB of a web app --> SQL Injection. Do you know any techniques like this for attacking the references ?
– MasterJoe
Jul 25 '18 at 17:31
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
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A PostgreSQL "schema" is roughly the same as a MySQL "database". Having many databases on a PostgreSQL installation can get problematic; having many schemas will work with no trouble. So you definitely want to go with one database and...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...g as simple and serious as failing to escape data inserted into an HTML or SQL template or something as intricate and subtle as using eval (sometimes inefficient and arguably insecure) or JSON.parse (a compliant but not universally implemented extension) instead of a "known good" JSON decoder, it is...
X-Frame-Options Allow-From multiple domains
...Web.HttpContext.Current.Request.UrlReferrer.Authority;
// SQL.Log(System.Web.HttpContext.Current.Request.RawUrl, System.Web.HttpContext.Current.Request.UrlReferrer.OriginalString, refAuth);
if (IsHostAllowed(refAuth))
{
BrowserInf...
Why must we define both == and != in C#?
...plement three-valued logic (i.e. null). In cases like that - ANSI standard SQL, for instance - the operators can't simply be negated depending on the input.
You could have a case where:
var a = SomeObject();
And a == true returns false and a == false also returns false.
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How can I store my users' passwords safely?
...l be much safer if you used parameterized queries instead of concatenating SQL statements. And the salt should be unique for each user and should be stored along with the password hash.
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