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Get Base64 encode file-data from Input Form
...other voodoo magic before you upload.
There are two methods:
Convert to string and use the built-in btoa or similar
I haven't tested all cases, but works for me- just get the char-codes
Convert directly from a Uint8Array to base64
I recently implemented tar in the browser. As part of that p...
Linux/Unix command to determine if process is running?
...ux and OS X:
3519 3521 3523 3524
The output of the following is an empty string, making this approach safe for processes that are not running: echo ps cax | grep aasdfasdf | grep -o '^[ ]*[0-9]*'
This approach is suitable for writing a simple empty string test, then even iterating through the dis...
What is the best way to create constants in Objective-C
...declare them as static const at the top of the .m file, like so:
static NSString *const MyThingNotificationKey = @"MyThingNotificationKey";
If they pertain to a single class but should be public/used by other classes, declare them as extern in the header and define them in the .m:
//.h
extern NS...
Java SafeVarargs annotation, does a standard or best practice exist?
...nts go here)... }.
This works well when the varargs type is concrete like String.... When it's a type variable like T..., it also works when T is known to be a concrete type for that call. e.g. if the method above were part of a class Foo<T>, and you have a Foo<String> reference, then c...
JSON.parse vs. eval()
...except that the line right before that verifies that it's a safe and valid string.
– nickf
Apr 20 '10 at 22:56
6
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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
I have this function in my program that converts integers to strings:
2 Answers
2
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Is there something like Annotation Inheritance in java?
...ame question.
@interface Animal {
boolean fluffy() default false;
String name() default "";
}
@Extends(Animal.class)
@Animal(fluffy = true)
@interface Pet {
String name();
}
@Extends(Pet.class)
@interface Cat {
@AliasFor("name")
String value();
}
@Extends(Pet.class)
@interfac...
How to handle screen orientation change when progress dialog and background thread active?
...="orientation|screenSize"
so it looks like
<activity android:label="@string/app_name"
android:configChanges="orientation|screenSize|keyboardHidden"
android:name=".your.package">
The matter is that the system destroys the activity when a change in the configuration occurs...
How to store CGRect values in NSMutableArray?
...
CGRect rect = CGRectMake( 5, 5, 40, 30 );
NSString* rectAsString = NSStringFromCGRect( rect );
CGRect original = CGRectFromString( rectAsString );
What do you think about this way to store CGRect dates?
...
JsonMappingException: out of START_ARRAY token
...
Your JSON string is malformed: the type of center is an array of invalid objects. Replace [ and ] with { and } in the JSON string around longitude and latitude so they will be objects:
[
{
"name" : "New York",
"num...