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How to make clang compile to llvm IR
...e correct where file extensions are concerned - and the clang frontend actually does the right thing if .bc is used; also, keep in mind that llvm-ld can act as frontend for the system toolchain, ie my previous answer using llvm-ld -native should work as expected....
– Christoph...
`static` keyword inside function?
...e value of the given variable ($has_run in your example) between multiple calls.
You could use this for different purposes, for example:
function doStuff() {
static $cache = null;
if ($cache === null) {
$cache = '%heavy database stuff or something%';
}
// code using $cache
}
In th...
Unable to set data attribute using jQuery Data() API
... the data property is accessed and then are no longer accessed or mutated (all data values are then stored internally in jQuery)
This was also covered on Why don't changes to jQuery $.fn.data() update the corresponding html 5 data-* attributes?
The demo on my original answer below doesn't seem to...
Is there YAML syntax for sharing part of a list or map?
... what you want. It uses a special << mapping key to indicate merges, allowing an alias to a mapping (or a sequence of such aliases) to be used as an initializer to merge into a single mapping. Additionally, you can still explicitly override values, or add more that weren't present in the merge...
How to access pandas groupby dataframe by key
...df_list = map(lambda df_i: grouped.get_group(df_i), sampled_df_i)
optionally - turn it all back into a single dataframe object
sampled_df = pd.concat(df_list, axis=0, join='outer')
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impr...
List comprehension vs map
...ing map() over list comprehension or vice versa? Is either of them generally more efficient or considered generally more pythonic than the other?
...
Create singleton using GCD's dispatch_once in Objective-C
...ere can only ever be 1 of these objects), but as long as you only use the [Foo sharedFoo] method to access the object, this is good enough.
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foll...
How to check if a Ruby object is a Boolean
...
Yes, that's called duck typing and a core principle of OOP. I think it's a feature.
– Konstantin Haase
Jun 19 '12 at 16:41
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redirect COPY of stdout to log file from within bash script itself
...ll, not a child process, wait cannot be used to synchronize output to the calling process. What you want is an unbuffered version of tee similar to bogomips.org/rainbows.git/commit/…
– user246672
Feb 13 '12 at 15:15
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
... That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up) so that you can recover if there's a bug in your sed script. Of course, the .bak file gives you that protect...