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How do I avoid capturing self in blocks when implementing an API?
I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
MSSQL Error 'The underlying provider failed on Open'
...n I first found it. My issue (as pointed out in this answer) was that the AppPool user for the CRM 2011 Plugin context had no write access to the Database I'd set up. When I added the user to SQL, the Plugin worked like a charm.
– Mike_Matthews_II
Mar 8 '13 a...
How to copy a row and insert in same table with a autoincrement field in MySQL?
...ple of the stored procedure that I wrote to accomplish this task for a Web App that I am developing:
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON
-- Create Temporary Table
SELECT * INTO #tempTable FROM <YourTable> WHERE Id =...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
... had similar issue recently. Regional settings were properly setup both in app and database server. However, execution of SQL resulted in
"The conversion of a varchar data type to a datetime data type resulted in an out-of-range value".
The problem was the default language of the db user.
T...
Struct like objects in Java
...
It appears that many Java people are not familiar with the Sun Java Coding Guidelines
which say it is quite appropriate to use public instance variable when the class is
essentially a "Struct", if Java supported "struct" (when ...
Why is a round-trip conversion via a string not safe for a double?
...
void DoubleToNumber(double value, int precision, NUMBER* number)
{
WRAPPER_CONTRACT
_ASSERTE(number != NULL);
number->precision = precision;
if (((FPDOUBLE*)&value)->exp == 0x7FF) {
number->scale = (((FPDOUBLE*)&value)->mantLo || ((FPDOUBLE*)&value)...
AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...the XHR request that angular performs must be cross-domain. I've added the appropriate CORS header to my server for the HTTP request to make this work, but it doesn't seem to work. The problem is that when I inspect the HTTP requests in my browser (chrome) the request sent to the asset file is an OP...
How to check for valid email address? [duplicate]
...: http://www.faqs.org/rfcs/rfc3696.html
Found some old code:
import lepl.apps.rfc3696
email_validator = lepl.apps.rfc3696.Email()
if not email_validator("email@example.com"):
print "Invalid email"
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Can you autoplay HTML5 videos on the iPad?
...y device owners have data usage/bandwidth limits on their devices, I think Apple felt that the user themselves should decide when they initiate bandwidth usage.
After a bit of research I found the following extract in the Apple documentation in regard to auto-play on iOS devices to confirm my ass...
Exposing database IDs - security risk?
...fiers. On the other hand, it would be extremely burdensome to design a web application without exposing them at all. Thus, it's important to understand the risks and take care to address them.
The first danger is what OWASP called "insecure direct object references." If someone discovers the id of a...