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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
Could someone give me some guidance on when I should use WITH (NOLOCK) as opposed to SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
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Prevent multiple instances of a given app in .NET?
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Use Mutex. One of the examples above using GetProcessByName has many caveats. Here is a good article on the subject:
http://odetocode.com/Blogs/scott/archive/2004/08/20/401.aspx
[STAThread]
static void Main()
{
using(Mutex mutex =...
Dependency Injection vs Factory Pattern
...ction is more of a architectural pattern for loosely coupling software components. Factory pattern is just one way to separate the responsibility of creating objects of other classes to another entity. Factory pattern can be called as a tool to implement DI. Dependency injection can be implemented i...
Token Authentication for RESTful API: should the token be periodically changed?
... framework login view, so that the token is refreshed whenever a login is done:
class ObtainExpiringAuthToken(ObtainAuthToken):
def post(self, request):
serializer = self.serializer_class(data=request.data)
if serializer.is_valid():
token, created = Token.objects.ge...
Java dynamic array sizes?
...ocate it needs to grow in size. When it does you'll have to allocate a new one and copy the data from the old to the new:
int[] oldItems = new int[10];
for (int i = 0; i < 10; i++) {
oldItems[i] = i + 10;
}
int[] newItems = new int[20];
System.arraycopy(oldItems, 0, newItems, 0, 10);
oldItem...
What is time_t ultimately a typedef to?
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@Viet also possible with an one-liner without creating a file: stackoverflow.com/a/36096104/895245
– Ciro Santilli 郝海东冠状病六四事件法轮功
Mar 18 '16 at 23:48
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How can I do something like a FlowLayout in Android?
... Bingo, bango, bongo. Wonderful library for using Flexbox in Android. Nice one.
– Joshua Pinter
Mar 16 at 4:31
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How do Python's any and all functions work?
... and and operators, respectively.
any
any will return True when at least one of the elements is Truthy. Read about Truth Value Testing.
all
all will return True only when all the elements are Truthy.
Truth table
+-----------------------------------------+---------+---------+
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Best practice for partial updates in a RESTful service
...POST to a gateway resource, if you need to merge to accounts, create a new one and POST representations of the other two, etc.
– Jan Algermissen
Mar 14 '10 at 21:29
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How to create a DataTable in C# and how to add rows?
...u could shorten this to dt.Rows.Add("Ravi", 500); and would work the same. One big warning with either of these approaches: you must supply these parameters in exact same order as the columns were defined, else you'll get an error. (So use with caution!)
– Funka
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