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What is the difference between HTTP status code 200 (cache) vs status code 304?
...ll return 304s for many of the page elements. Instead go up to the url bar select the page and hit enter as if you had just typed in the same URL again, that will give you a better indicator of what's being cached properly. This article does a great job explaining the difference between conditional ...
Is gettimeofday() guaranteed to be of microsecond resolution?
..., detect other alternatives like HPET and ACPI PM timer, and automatically select the best one. It's a good idea to always use the kernel for timing unless you are really sure the TSC is stable and monotonic.
– CesarB
Jul 7 '09 at 23:03
...
Push existing project into Github
...s for your existing project.
"Add New Local Repository" in repositories.
Select your existing folder. It'll ask if you want to do that, say yes.
Once done, you'll see a list of all your files, etc. Commit them.
Go to Repositories and Publish (this will create the new repo on GitHub for you, if yo...
How to achieve function overloading in C?
...neric gets the overall type of the expression and then "switches" on it to select the end result expression in the list for its type:
_Generic(1, float: 2.0,
char *: "2",
int: 2,
default: get_two_object());
The above expression evaluates to 2 - the type of the ...
How to use Chrome's network debugger with redirects
...olution to debug the Network calls before redirecting to other pages is to select the beforeunload event break point
This way you assure to break the flow right before it redirecting it to another page, this way all network calls, network data and console logs are still there.
This solution is bes...
Git merge master into feature branch
...mment below won't be particularly helpful: I don't control which answer is selected, only @theomega does.
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Django: How to manage development and production settings?
...ings if necessary (by adding the modifications below that stanza).
I then select which settings files to use by linking it in to settings.py:
ln -s settings.development.py settings.py
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For each row return the column name of the largest value
...s.method = "first")) %>% # or 'last'
filter(dept_rank == 1) %>%
select(-dept_rank)
# A tibble: 3 x 3
# Groups: id [3]
id dept cnt
<chr> <chr> <dbl>
1 2 V1 8.
2 3 V2 5.
3 1 V3 9.
# if you wanted to keep the original wide data f...
Object-orientation in C
...ject at runtime! You just reassign it a new vtable pointer. You can even selectively change some of the virtual functions while keeping others, creating new hybrid types. Just be careful to create a new vtable instead of modifying the global vtable, otherwise you'll accidentally affect all object...
How to use Git for Unity3D source control?
...t we wanted our assets to be automatically synced. We now use sugarsync to selectively sync the binary assets folder. Dropbox would only sync the dropbox folder, but with sugar sync, you can arbitrarily sync folders anywhere on the hard drive which is extremely useful. We had to change our Assets di...