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How do I check that a Java String is not all whitespaces?
I want to check that Java String or character array is not just made up of whitespaces, using Java?
15 Answers
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Quick Way to Implement Dictionary in C
...ng it from scratch. I don't want it to be generic either -- something like string->int will do. But I do want it to be able to store an arbitrary number of items.
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How to create a GUID/UUID in Python
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Well, as you can see above, str(uuid4()) returns a string representation of the UUID with the dashes included, while uuid4().hex returns "The UUID as a 32-character hexadecimal string"
– stuartd
Jan 30 '18 at 10:08
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How to generate a random alpha-numeric string?
...ng for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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Callback functions in C++
...above
#include <type_traits>
#include <typeinfo>
#include <string>
#include <memory>
#include <cxxabi.h>
template <class T>
std::string type_name()
{
typedef typename std::remove_reference<T>::type TR;
std::unique_ptr<char, void(*)(void*)> own
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How to print VARCHAR(MAX) using Print Statement?
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I used print(substring(@script, @Counter * 8000, (@Counter + 1) * 8000)) to print my script.
– Lukas Thum
Oct 9 '18 at 12:24
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When is CRC more appropriate to use than MD5/SHA1?
...they have:
some security issues when you care about security
longer hash string and are slower than "crc32b" when all you need is CRC
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How to capitalize the first letter in a String in Ruby
The upcase method capitalizes the entire string, but I need to capitalize only the first letter.
8 Answers
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HtmlSpecialChars equivalent in Javascript?
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};
})()
Note: Only run this once. And don't run it on already encoded strings e.g. &amp; becomes &amp;amp;
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Specify sudo password for Ansible
...ord that you used when creating your secret file. The password should be a string stored as a single line in the file.
From the Ansible Docs:
.. ensure permissions on the file are such that no one else can access your key and do not add your key to source control
Finally: you can now run your...