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What are the best practices for using a GUID as a primary key, specifically regarding performance?
...up - but even that is not truly and fully sequential and thus also suffers from the same problems as the GUID - just a bit less prominently so.
Then there's another issue to consider: the clustering key on a table will be added to each and every entry on each and every non-clustered index on your t...
Trusting all certificates with okHttp
...e with current versions of OkHttp . With 3.1.1 it seems completely broken. From 3.1.2 onwards, X509TrustManager.getAcceptedIssuers() must return an empty array instead of null. For more information, see this commit (scroll down and see the notes under RealTrustRootIndex.java).
–...
Recommended way to insert elements into map [duplicate]
...cent question - why use at() instead of the [] operator to retrieve values from a vector. Apparently at() throws an exception if the index is out of bounds whereas [] operator doesn't. In these situations it's always best to look up the documentation of the functions as they will give you all the de...
What's the difference between & and && in MATLAB?
...ete it yourself, because it's accepted). You would keep the rep you gained from it (if I understand the system correctly), and we'd end up with a technically correct and authoritative top answer.
– Andras Deak
Feb 15 '19 at 12:05
...
How to dump a table to console?
...you best. There are many ways to do it, but I usually end up using the one from Penlight:
> t = { a = { b = { c = "Hello world!", 1 }, 2, d = { 3 } } }
> require 'pl.pretty'.dump(t)
{
a = {
d = {
3
},
b = {
c = "Hello world!",
1
},
2
}
}
...
How to [recursively] Zip a directory in PHP?
...lse if (is_file($file) === true)
{
$zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
}
}
}
else if (is_file($source) === true)
{
$zip->addFromString(basename($source), file_get_contents($sou...
Error when trying vagrant up
...
Thanks, it was driving me crazy hehe. greetings from Chile
– Cristian Meza
Dec 14 '15 at 4:59
1
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Why do I get a SyntaxError for a Unicode escape in my file path?
... directory to "c:\file_name.png" by putting the file that I want to access from python right under the 'c:\' path.
In your case, if you have to access the "python" folder, perhaps reinstall the python, and change the installation path to something like "c:\python". Otherwise, just avoid the "...\Us...
How to start an application using android ADB tools?
...
@androiddeveloper See the monkey command below from depodefi: no need to specify activity name!
– 1111161171159459134
Feb 28 '15 at 8:17
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How to create a new (and empty!) “root” branch?
...
Does this essentially create a blank slate? As in, from scratch? Or does it keep all your previous changes, but just not in the git history?
– Con Antonakos
Jul 22 '16 at 2:58
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