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Login failed for user 'DOMAIN\MACHINENAME$'
...out DOMAIN\MACHINE$ it means you use Integrated Security in the connection string. If this is unexpected, it means you screwed up the connection strings you use.
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django template display item value or empty string
...lt_if_none template filter, (doc).
default_if_none will display the given string if the variable is 'None'.
default will display the string if the variable evaluates to False, ie empty strings, empty lists etc
{{ item.somefield|default_if_none:"" }}
{{ item.somefield|default:"" }}
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Static/Dynamic vs Strong/Weak
...guished (e.g. whether the language tries to do an implicit conversion from strings to numbers).
See the wiki-page for more detailed information.
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Microsoft Web API: How do you do a Server.MapPath?
...other concerns into a bigger toolbelt / utility interface) with the method string MapPath(string virtualPath). Only the concrete implementation for your WebApi IPathMapper needs to know about System.Web.Hosting.HostingEnvironment
– StuartLC
Jun 3 '15 at 14:05
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Clear Application's Data Programmatically
... (ActivityManager)activity.getSystemService(Context.ACTIVITY_SERVICE);
String myProcessPrefix = activity.getApplicationInfo().processName;
String myProcessName = activity.getPackageManager().getActivityInfo(activity.getComponentName(), 0).processName;
for (ActivityManager.RunningAppProce...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...
'Greedy' means match longest possible string.
'Lazy' means match shortest possible string.
For example, the greedy h.+l matches 'hell' in 'hello' but the lazy h.+?l matches 'hel'.
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Reading Xml with XmlReader in C#
...from this blog post):
static IEnumerable<XElement> SimpleStreamAxis(string inputUrl,
string elementName)
{
using (XmlReader reader = XmlReader.Create(inputUrl))
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.Nod...
varbinary to string on SQL Server
...mean different things.
If the varbinary is the binary representation of a string in SQL Server (for example returned by casting to varbinary directly or from the DecryptByPassPhrase or DECOMPRESS functions) you can just CAST it
declare @b varbinary(max)
set @b = 0x5468697320697320612074657374
sel...
Real World Example of the Strategy Pattern
... save a file, or make a webcall
Outputting: We need to output X as a plain string, but later may be a CSV, XML, JSON, etc.
Examples
I have a project where the users can assign products to people in a database. This assignment of a product to a person has a status which is either "Approved" or "...
Converting String To Float in C#
I am converting a string like "41.00027357629127", and I am using;
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