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What's the difference between using CGFloat and float?
...e types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float precision within your own code, you can still use float if you like — it will reduce your memory footprint somewhat. Same goes for integer values.
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How to write asynchronous functions for Node.js
...as
async_function(42, function(val) {
console.log(val)
});
console.log(43);
Will print 42 to the console asynchronously. In particular process.nextTick fires after the current eventloop callstack is empty. That call stack is empty after async_function and console.log(43) have run. So we print 4...
Difference between UTF-8 and UTF-16?
...|
edited Mar 19 '17 at 5:23
answered Jan 11 '11 at 7:50
Ser...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...
203
It's because the name column on the bar table does not have the UNIQUE constraint.
So imagine y...
How to do date/time comparison
...ticle?
– eatonphil
Jan 4 '14 at 17:53
12
Try godoc.org/time#Time.Equal or godoc.org/time#Time.Aft...
Append text to input field
...nter - hashADH
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answered May 8 '09 at 20:50
Ayman HouriehAyman Hourieh
107k1...
How do you remove a Cookie in a Java Servlet
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139
The MaxAge of -1 signals that you want the cookie to persist for the duration of the session. Y...
Check if key exists and iterate the JSON array using Python
...e": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Honey Pinter"}]}, "type": "status", "id": "id_7"}"""
def getTargetIds(jsonData):
data = json.loads(jsonData)
if 'to' not in data:
raise ValueError("No target in given data")
if 'data' not in ...
How to represent multiple conditions in a shell if statement?
...
392
Classic technique (escape metacharacters):
if [ \( "$g" -eq 1 -a "$c" = "123" \) -o \( "$g" -...
Can I control the location of .NET user settings to avoid losing settings on application upgrade?
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39
To answer the first question, you technically can put the file wherever you want, however you w...