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Should I store entire objects, or pointers to objects in containers?
...ou're considering using a std::vector and if updates are few and you often iterate over your collection and it's a non polymorphic type storing object "copies" will be more efficent since you'll get better locality of reference.
Otoh, if updates are common storing pointers will save the copy/reloc...
Remote debugging Tomcat with Eclipse
...
Actually, yours did fix it. Eclipse doesn't actually say anything when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice.
– victor
Oct 1 '1...
RVM is not a function, selecting rubies with 'rvm use …' will not work
... rvm function. If you are running Ubuntu, you can:
Open console
Select Edit -> Profile Preferences
Select tab: Title and Command
Check box 'Run command as a login shell'
Restart terminal
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What is the fastest integer division supporting division by zero no matter what the result is?
... += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl f
.type f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%ebp), %edx
testl ...
The current SynchronizationContext may not be used as a TaskScheduler
...
You need to provide a SynchronizationContext. This is how I handle it:
[SetUp]
public void TestSetUp()
{
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
}
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Maximum Year in Expiry Date of Credit Card
...ous online services have different values for maximum year of expiry, when it comes to Credit Cards.
10 Answers
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How do you validate a URL with a regular expression in Python?
...e almost anything is a valid URL. There are some punctuation rules for splitting it up. Absent any punctuation, you still have a valid URL.
Check the RFC carefully and see if you can construct an "invalid" URL. The rules are very flexible.
For example ::::: is a valid URL. The path is ":::::...
What is the difference between Lisp-1 and Lisp-2?
... for functions is an advantage is a source of contention in the Lisp community. It is usually referred to as the Lisp-1 vs. Lisp-2 debate. Lisp-1 refers to Scheme's model and Lisp-2 refers to Common Lisp's model.
It's basically about whether variables and functions can have the same name without c...
How to set variable from a SQL query?
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Warning
If this select statement returns multiple values (bad to begin with):
When using SELECT, the variable is assigned the last value that is returned (as womp said), without any error or warning (this may cause logic bugs)
When using SET, an error will occur
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How do we use runOnUiThread in Android?
I'm new to Android and I'm trying to use the UI-Thread, so I've written a simple test activity. But I think I've misunderstood something, because on clicking the button - the app does not respond anymore
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