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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...
What's the best way to iterate over two or more containers simultaneously
...wrote this wrapper around boost range: a function with one line of code is all I need. However, I would be interested if the performance of boost ranges is optimal as well.
– SebastianK
Nov 6 '14 at 15:45
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How to use gradle zip in local system without downloading when using gradle-wrapper
...es a main point of the wrapper, which is that Gradle is downloaded and installed automatically for all build users. If you prefer to use a local installation, put it on your PATH and invoke gradle rather than gradlew.
– Peter Niederwieser
Apr 7 '14 at 6:59
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Sorting an IList in C#
...ting problem today. We have a WCF web service that returns an IList. Not really a big deal until I wanted to sort it.
15 An...
Validating with an XML schema in Python
...
lxml is pure python or not? (does require compilation/installation or you can just include it with your python scripts)
– sorin
Jun 14 '10 at 14:08
...
Using jquery to get element's position relative to viewport
...
Look into the Dimensions plugin, specifically scrollTop()/scrollLeft(). Information can be found at http://api.jquery.com/scrollTop.
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C++ catching all exceptions
...
try{
// ...
} catch (...) {
// ...
}
will catch all C++ exceptions, but it should be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no name...
Datepicker: How to popup datepicker when click on edittext
...e:
<EditText
android:id="@+id/Birthday"
custom:font="@string/font_avenir_book"
android:clickable="true"
android:editable="false"
android:hint="@string/birthday"/>
Now in Java File:
final Calendar myCalendar = Calendar.getInstance();
EditText edittext= (EditText) findViewByI...
Oracle SQL: Update a table with data from another table
...
This is called a correlated update
UPDATE table1 t1
SET (name, desc) = (SELECT t2.name, t2.desc
FROM table2 t2
WHERE t1.id = t2.id)
WHERE EXISTS (
SELECT 1
FROM table2 t2...
Why does this Java code compile?
...+ 1 is illegal because b is an illegal forward reference to b. You can actually fix this by writing int b = this.b + 1, which compiles without complaints.
For local variables, int d = d + 1 is illegal because d is not initialized before use. This is not the case for fields, which are always default...