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What is HEAD in Git?
...sitory
can contain any number of heads. At
any given time, one head is selected
as the “current head.” This head is
aliased to HEAD, always in capitals".
Note this difference: a “head”
(lowercase) refers to any one of the
named heads in the repository; “HEAD”
(uppercas...
How to catch SQLServer timeout exceptions
...= sql.CreateCommand();
cmd.CommandText = "DECLARE @i int WHILE EXISTS (SELECT 1 from sysobjects) BEGIN SELECT @i = 1 END";
cmd.ExecuteNonQuery(); // This line will timeout.
cmd.Dispose();
sql.Close();
}
catch (SqlException ex)
{
if (ex.Number == -2) {
Console.WriteLine (...
Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
...". Locate the "Android Application" node in the tree at the left, and then select your project and go to the "Target" tab on the right side of the window look down for the "Additional Emulator Command Line Options" field (sometimes you'll need to make the window larger) and finally paste "-partition...
How can I return an empty IEnumerable?
...rExists) yield break; foreach(var descendant in doc.Descendants("user").Select(user => new Friend { ID = user.Element("id").Value, Name = user.Element("name").Value, URL = user.Element("url").Value, Photo = user.Element("photo").Value })) { yield r...
Union Vs Concat in Linq
...ence is not changed.
If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference:
class X
{
public int ID { get; set; }
public override bool Equals(object obj)
{
X x = obj as X;
if (x == null)
re...
Update a column value, replacing part of a string
...
Try using the REPLACE function:
mysql> SELECT REPLACE('www.mysql.com', 'w', 'Ww');
-> 'WwWwWw.mysql.com'
Note that it is case sensitive.
share
|
impr...
How do you remove the root CA certificate that fiddler installs
...
Are you sure you don't need to first deselect the "Decrypt HTTPS traffic", then choose "Remove Interception Certificates"?
– bozzle
Apr 18 '17 at 0:51
...
Why does ReSharper want to use 'var' for everything?
...Dictionary<int,bool>>>> q = from t in d where t.Key == null select t; // OMG!
//vs.
var q = from t in d where t.Key == null select t;
// I simply want the first string, so the last version seems fine.
q.First().Key;
You must use var when there's an anonymous ty...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...exactly the situation we are in here.
Moving on:
A single method M is selected corresponding to a method invocation of the form E(A) [...] The argument list A is a list of expressions, each classified as a variable [...] of the corresponding parameter in the formal-parameter-list of D.
OK. So...
Enable 'xp_cmdshell' SQL Server
...gure calls:
declare @prevAdvancedOptions int
declare @prevXpCmdshell int
select @prevAdvancedOptions = cast(value_in_use as int) from sys.configurations where name = 'show advanced options'
select @prevXpCmdshell = cast(value_in_use as int) from sys.configurations where name = 'xp_cmdshell'
if (@...