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Does Java casting introduce overhead? Why?
Is there any overhead when we cast objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
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How to skip “Loose Object” popup when running 'git gui'
...log. I found the hint_gc procedure which does it and the place where it is called. At the same time I noticed that late 2011 there was added a configuration option for disabling the dialog. This change (part of git-gui 0.16.0) was merged to Git's mainline on 2011-12-14.
So if you use Git v1.7.9 or ...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
....
See http://www.gnu.org/software/coreutils/manual/html_node/sort-invocation.html
‘-g’ ‘--general-numeric-sort’
‘--sort=general-numeric’ Sort
numerically, using the standard C
function strtod to convert a prefix of
each line to a double-precision
floating point number....
Entity Framework and Connection Pooling
I've recently started to use the Entity Framework 4.0 in my .NET 4.0 application and am curious about a few things relating to pooling.
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What do hjust and vjust do when making a plot using ggplot?
...ied
Source: ggplot2, Hadley Wickham, page 196
(Yes, I know that in most cases you can use it beyond this range, but don't expect it to behave in any specific way. This is outside spec.)
hjust controls horizontal justification and vjust controls vertical justification.
An example should make th...
Using emit vs calling a signal as if it's a regular function in Qt
... happens in the generated code for the signal emitting function, which you can look at by inspecting the C++ code generated by moc.
For example a foo signal with no parameters generates this member function:
void W::foo()
{
QMetaObject::activate(this, &staticMetaObject, 0, 0);
}
And the ...
Does MSTest have an equivalent to NUnit's TestCase?
I find the TestCase feature in NUnit quite useful as a quick way to specify test parameters without needing a separate method for each test. Is there anything similar in MSTest?
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Making 'git log' ignore changes for certain paths
How can I make git log only show commits that changed files other than the ones I specify?
3 Answers
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Git Cherry-pick vs Merge Workflow
...tanding both. (Look here for an alternate, well-argued answer enumerating cases where rebase is preferred.)
merge is preferred over cherry-pick and rebase for a couple of reasons.
Robustness. The SHA1 identifier of a commit identifies it not just in and of itself but also in relation to all oth...
How to read a .xlsx file using the pandas Library in iPython?
....20 and prior, this was sheetname rather than sheet_name (this is now deprecated in favor of the above):
dfs = pd.read_excel(file_name, sheetname=None)
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