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Simplest code for array intersection in javascript
...ison:
See the following snippet for alternative implementations and check https://jsperf.com/array-intersection-comparison for performance comparisons.
function intersect_for(a, b) {
const result = [];
const alen = a.length;
const blen = b.length;
for (let i = 0; i < alen; ++i) ...
Difference between char* and const char*?
...ion: You can change the pointer, but not the char to which name points to (https://msdn.microsoft.com/en-us/library/vstudio/whkd4k6a(v=vs.100).aspx, see "Examples"). In this case, the const specifier applies to char, not the asterisk.
According to the MSDN page and http://en.cppreference.com/w/cpp/...
Approximate cost to access various caches and main memory?
...ormance: Enterprise and the Cloud
Click to each processor listed on http://www.7-cpu.com/ to see the L1/L2/L3/RAM/... latencies (e.g. Haswell i7-4770 has L1=1ns, L2=3ns, L3=10ns, RAM=67ns, BranchMisprediction=4ns)
http://idarkside.org/posts/numbers-you-should-know/
See also
For further understand...
std::function vs template
...ecreases to approximately 1860ms.
I wrote about that a while ago:
http://www.drdobbs.com/cpp/efficient-use-of-lambda-expressions-and/232500059
As I said in the article, the arguments don't quite apply for VS2010 due to its poor support to C++11. At the time of the writing, only a beta version of ...
Making the Android emulator run faster
...or to run on the last one. Note that on OS X you cannot set affinity (see: https://superuser.com/questions/149312/how-to-set-processor-affinity-on-a-mac).
I'm seeing somewhere around a 50% improvement with these two changes in place.
To set processor affinity on Windows 7:
Open Task Manager
Cli...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
...s a function for duplicates. This is for similar type of case.
Reference: https://stackoverflow.com/a/57532964/8119511
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...pkrs (couldn't find his name) created one that also changes the functions: https://gist.github.com/bspkrs/b997ed7f1eb1268f3403
– elysch
May 16 '16 at 15:15
...
Facebook Android Generate Key Hash
...th your own package name ( package name in Manifest.xml).
Official link - https://developers.facebook.com/docs/android/login-with-facebook/ ( See the bottom of the page)
OLD ANSWER (Generating Keyhash using openssl )
to generate signature you need openssl installed on your pc. If you don’t hav...
What's the best way to bundle static resources in a Go program? [closed]
...
The go-bindata package looks like it might be what you're interested in.
https://github.com/go-bindata/go-bindata
It will allow you to convert any static file into a function call that can be embedded in your code and will return a byte slice of the file content when called.
...
How to get the Android device's primary e-mail address
...ect their email address without the need for a permission. Take a look at: https://developers.google.com/identity/smartlock-passwords/android/retrieve-hints
HintRequest hintRequest = new HintRequest.Builder()
.setHintPickerConfig(new CredentialPickerConfig.Builder()
.setShow...