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Make a float only show two decimal places
...ow the number is stored, it is a matter of how you are displaying it. When converting it to a string you must round to the desired precision, which in your case is two decimal places.
E.g.:
NSString* formattedNumber = [NSString stringWithFormat:@"%.02f", myFloat];
%.02f tells the formatter that ...
Binding a Button's visibility to a bool value in ViewModel
...AdvancedFormat is a bool, you need to declare and use a BooleanToVisibilityConverter:
<!-- In your resources section of the XAML -->
<BooleanToVisibilityConverter x:Key="BoolToVis" />
<!-- In your Button declaration -->
<Button
Height="50" Width="50"
Style="{StaticResource M...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...(intent, packageName, ri.loadLabel(pm), ri.icon));
}
}
// convert intentList to array
LabeledIntent[] extraIntents = intentList.toArray( new LabeledIntent[ intentList.size() ]);
openInChooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, extraIntents);
startActivity(openInChoo...
Convert stdClass object to array in PHP
...to a function that expects a JSON string as its input. In the answer, I am converting the object to a JSON string, and then feeding it as an input to json_decode() so it would return an array (the second parameter being as True indicates an array should be returned).
– Amal Mur...
Is it possible only to declare a variable without assigning any value in Python?
...than any numbers I compared it against. I ended up just initializing it at sys.maxint
– TJ Biddle
May 29 '12 at 17:41
...
error: ‘NULL’ was not declared in this scope
..., which is implemented in GCC since version 4.6. nullptr is not implicitly convertible to integral types, so it can be used to disambiguate a call to a function which has been overloaded for both pointer and integral types:
void f(int x);
void f(void * ptr);
f(0); // Passes int 0.
f(nullptr); //...
How do you convert an entire directory with ffmpeg?
How do you convert an entire directory/folder with ffmpeg via command line or with a batch script?
24 Answers
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Why does “_” (underscore) match “-” (hyphen)?
...ext. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a pattern context inside rep...
Replace a character at a specific index in a string?
...
Turn the String into a char[], replace the letter by index, then convert the array back into a String.
String myName = "domanokz";
char[] myNameChars = myName.toCharArray();
myNameChars[4] = 'x';
myName = String.valueOf(myNameChars);
...
Convert MySQL to SQlite [closed]
Is it possible to convert from MySQL to SQLite with a free tool on windows?
15 Answers
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