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Cron jobs and random times, within given hours
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When I use the first suggestion above, I get crontab: errors in crontab file, can't install. Do you want to retry the same edit? please help
– Seano
Sep 13 '15 at 18:04
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How to sort mongodb with pymongo
...owDiskUse=True while sorting on multiple fields otherwise it will throw an error.
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Set Locale programmatically
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edited Mar 8 '18 at 14:05
answered Nov 10 '17 at 13:07
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How do you Encrypt and Decrypt a PHP String?
...ticate the ciphertext with HMAC-SHA-256 (or, for the stream ciphers, Poly1305 -- most libsodium APIs do this for you). The MAC should cover the IV as well as the ciphertext!
Decryption:
Unless Poly1305 or GCM is used, recalculate the MAC of the ciphertext and compare it with the MAC that was sent ...
Nested JSON objects - do I have to use arrays for everything?
... have to make arrays out of everything? For my object to be parsed without error I seem to need a structure like this:
3 An...
What's the best practice for putting multiple projects in a git repository? [closed]
...untracked files from other projects, it will be quicker (and less prone to error) to dump an unwanted directory than to remove unwanted files by selecting each of them.
Branch names can include '/' characters
So you might want to name your branches something like
project1/master
project1/featureA...
Can you build dynamic libraries for iOS and load them at runtime?
...o this can be addressed properly. Show the code you're using, and all the error messages. If you want, you can also link back to this question/answer. If you add the "iphone-privateapi" tag, I'll see it. You should state that this is not for the app store, or people may vote to close the questio...
What is the reason behind cbegin/cend?
...&. If it takes it's parameters as int &, C++ will issue a compiler error.
C++17 has a more elegant solution to this problem: std::as_const. Well, at least it's elegant when using range-based for:
for(auto &item : std::as_const(vec))
This simply returns a const& to the object it...
What is the difference between char * const and const char *?
...e same as the previous case. (See ideone.com/RsaB7n where you get the same error for both foo and bar). I think typedef int * intptr; const intptr foo,bar; would declare both variables to be int * const: Yes. I don't know any way to use a combined declaration to create two variables of that type wit...
Determine if a String is an Integer in Java [duplicate]
...ry to have this. It's not exception based, and will catch just about every error condition you can think of. It will be a little more expensive (you have to create a Scanner object, which in a critically-tight loop you don't want to do. But it generally shouldn't be too much more expensive, so for d...