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@class vs. #import
...ter to it (really, just a pointer). Thus, in your header, @class suffices 90% of the time.
However, if you ever need to create or access myObject's members, you'll need to let the compiler know what those methods are. At this point (presumably in your implementation file), you'll need to #import "M...
How do you access command line arguments in Swift?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 27 at 23:34
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t isinstance(s, str) or not s.isdigit():
return None
elif len(s) > 10: #too many digits for int conversion
return None
else:
return int(s)
Better (EAFP: Easier to ask for forgiveness than permission):
try:
return int(s)
except (TypeError, ValueError, OverflowError): #int con...
How to automatically reload a page after a given period of inactivity
...
function refresh() {
if(new Date().getTime() - time >= 60000)
window.location.reload(true);
else
setTimeout(refresh, 10000);
}
setTimeout(refresh, 10000);
</script>
...
Loop inside React JSX
...the arguments to a function call would go:
return tbody(
for (var i = 0; i < numrows; i++) {
ObjectRow()
}
)
See how the function tbody is being passed a for loop as an argument – leading to a syntax error.
But you can make an array, and then pass that in as an argument:
v...
Could not find method compile() for arguments Gradle
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answered May 22 '14 at 6:02
RadimRadim
4,44111 gold badge1717 silver badges2222 bronze badges
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How can I read command line parameters from an R script?
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10 Answers
10
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List of all special characters that need to be escaped in a regex
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10 Answers
10
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What is REST? Slightly confused [closed]
...ation. The seminal paper on this was Roy Thomas Fielding's dissertation (2000), "Architectural Styles and the Design of Network-based Software Architectures" (available online from the University of California, Irvine).
First read Ryan Tomayko's post How I explained REST to my wife; it's a great s...
Accessing members of items in a JSONArray with Java
...Object(int), and JSONArray.length() to create your for-loop:
for (int i = 0; i < recs.length(); ++i) {
JSONObject rec = recs.getJSONObject(i);
int id = rec.getInt("id");
String loc = rec.getString("loc");
// ...
}
...