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Android global variable
... class MyProperties {
private static MyProperties mInstance= null;
public int someValueIWantToKeep;
protected MyProperties(){}
public static synchronized MyProperties getInstance() {
if(null == mInstance){
mInstance = new MyProperties();
}
return mInstance;
...
How to programmatically set maxLength in Android TextView?
...r used it for textview, only edittext :
TextView tv = new TextView(this);
int maxLength = 10;
InputFilter[] fArray = new InputFilter[1];
fArray[0] = new InputFilter.LengthFilter(maxLength);
tv.setFilters(fArray);
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How to properly create composite primary keys - MYSQL
Here is a gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 .
...
How to make a edittext box in a dialog
... my confusion it thought you had custom dialog . public void onClick(DialogInterface dialog its the dialoginterface. using that is not a problem you click the negative button to dismiss the alertdialog.
– Raghunandan
Sep 14 '13 at 7:47
...
How do I declare class-level properties in Objective-C?
... instead of - so your implementation would look something like:
// Foo.h
@interface Foo {
}
+ (NSDictionary *)dictionary;
// Foo.m
+ (NSDictionary *)dictionary {
static NSDictionary *fooDict = nil;
if (fooDict == nil) {
// create dict
}
return fooDict;
}
...
How do I typedef a function pointer with the C++11 using syntax?
...
It has a similar syntax, except you remove the identifier from the pointer:
using FunctionPtr = void (*)();
Here is an Example
If you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = std::add_pointer<void()>::type;
And her...
Python's most efficient way to choose longest string in list?
...can use max:
>>> mylist = ['123','123456','1234']
>>> print max(mylist, key=len)
123456
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Why should C++ programmers minimize use of 'new'?
... complex and allocation is slower. Because there is no implicit release point, you must release the memory manually, using delete or delete[] (free in C). However, the absence of an implicit release point is the key to the heap's flexibility.
Reasons to use dynamic allocation
Even if using the hea...
Is AsyncTask really conceptually flawed or am I just missing something?
...e hacks. I still cannot believe that a class that flawed in design made it into the framework and no-one is talking about it, so I guess I just must be missing something.
...
Try catch statements in C
...Buffer)) {
// The longjmp was executed and returned control here
printf("Exception happened here\n");
} else {
// Normal code execution starts here
Test();
}
}
void Test() {
// Rough equivalent of `throw`
longjmp(s_jumpBuffer, 42);
}
This website has a nice tutorial on how...