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Async call with await in HttpClient never returns
...-based, C# metro application on the Win8 CP; this call simply hits a web service and returns JSON data.
3 Answers
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MongoDB: How to query for records where field is null or not set?
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Avoiding SQL injection without parameters
...curity code for a living, much better tested than what you can manage, and serviced by the vendor if a vulnerability is found.
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How do I insert NULL values using PDO?
...akes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody...
How do I get SUM function in MySQL to return '0' if no values are found?
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How can I detect if this dictionary key exists in C#?
I am working with the Exchange Web Services Managed API, with contact data. I have the following code, which is functional , but not ideal:
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What's the difference between “Solutions Architect” and “Applications Architect”? [closed]
...rship skills. The balance of design, strategy, development (often of core services or frameworks) and management differ based on the organization and project.
The only "Architect" job title that really has a different meaning for me is "Enterprise Architect", which I see as more of a IT strategy p...
String literals: Where do they go?
I am interested in where string literals get allocated/stored.
8 Answers
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How to allow to accept only image files?
...t is very sketchy on mobiles (as of 2015) and by some reports this may actually prevent some mobile browsers from uploading anything at all, so be sure to test your target platforms well.
For detailed browser support, see http://caniuse.com/#feat=input-file-accept
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Best way to serialize an NSData into a hexadeximal string
...rsion.h
#import <Foundation/Foundation.h>
@interface NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSString *)hexadecimalString;
@end
NSData+Conversion.m
#import "NSData+Conversion.h"
@implementation NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSStr...