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Equivalent of strace -feopen < command > on mac os X
...day, sudo dtruss doesn't work for me. It's as if Python is not executed at all!
– Dima Tisnek
Jul 18 '13 at 14:27
2
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How to find an available port?
...gain, and then open one again on the free port (by which time there is a small chance something else is now listening on that port.)
– Graham Edgecombe
Sep 4 '12 at 12:49
7
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Spring @Transactional - isolation, propagation
...tion
Defines the data contract between transactions.
Read Uncommitted: Allows dirty reads.
Read Committed: Does not allow dirty reads.
Repeatable Read: If a row is read twice in the same transaction, the result will always be the same.
Serializable: Performs all transactions in a sequence.
The...
Git Tag list, display commit sha1 hashes
...t'll show the hash of the tag object itself.
– Lily Ballard
Jan 9 '12 at 23:43
20
To show a list ...
Why does a return in `finally` override `try`?
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Finally always executes. That's what it's for, which means it's return gets used in your case.
You'll want to change your code so it's more like this:
function example() {
var returnState = false; // initialisation value ...
How to align a to the middle (horizontally/width) of the page [duplicate]
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why do you use width:800px ? will this work for all screens?
– themhz
Oct 14 '15 at 14:25
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show 6 more comments
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size_t vs. uintptr_t
...at size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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How to avoid “too many parameters” problem in API design?
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One style embraced in the frameworks is usually like grouping related parameters into related classes (but yet again problematic with mutability):
var request = new HttpWebRequest(a, b);
var service = new RestService(request, c, d, e);
var client = new RestClient(ser...
How do I update the GUI from another thread?
...null,
control,
new object[] { propertyValue });
}
}
Call it like this:
// thread-safe equivalent of
// myLabel.Text = status;
SetControlPropertyThreadSafe(myLabel, "Text", status);
If you're using .NET 3.0 or above, you could rewrite the above method as an extension method o...
Erratic hole type resolution
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If you want to generate all possible such values, then you can write a function to do so, either with provided or specified bounds.
It may very well be possible to use type-level Church Numerals or some such so as to enforce creation of these, but ...