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How do I call some blocking method with a timeout in Java?
...thods. For reading from the console use Scanner.hasNext() before blocking etc.
If your blocking call is not an IO, but your logic, then you can repeatedly check for Thread.isInterrupted() to check if it was interrupted externally, and have another thread call thread.interrupt() on the blocking thre...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...rrent connections if the scarce resource is a connection-limited database, etc.).
Another way to put it is: allowing the operating system to interleave the usage of a single resource for two tasks cannot be faster than merely letting one task use the resource while the other waits, then letting the...
How to “properly” create a custom object in JavaScript?
...n larger code bases as developers forget to use new, forget to capitalize, etc. To be pragmatic, you can do everything you need to do without the new keyword - so why use it and introduce more points of failure in the code? JS is a prototypal, not class based, language. So why do we want it to act l...
How do I do base64 encoding on iOS?
...ou should be able to do this: static char base64EncodingTable[64] = "ABCDE[etc]789+/";
– Artelius
May 5 '09 at 10:19
3
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Ternary operator is twice as slow as an if-else block?
...tor slower on both X86 and X64?
This is due to a subtle difference in the order of operations impacting the JIT's optimizer. To JIT the ternary operator, rather than directly coding 2 and 3 in the add machine instructions themselves, the JIT creating an intermediate variable (in a register) to hold...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
...ws 7, this is no longer true! For reasons of UAC, multiple user sessions, etc. The registry in Windows 7 should be use sparingly and with discretion by developers.
– ryyker
Jun 22 '14 at 15:58
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What are the differences between local branch, local tracking branch, remote branch and remote track
...our remote tracking branch to be in sync with the remote branch using git fetch or git pull.
git pull origin myNewBranch # Pulls new commits from branch "myNewBranch"
# on remote "origin" into remote tracking
# branch on your m...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
...eneral type of operation you're doing (or type of template you're writing, etc.) is something you'd be better off avoiding.
There are also at least a few situations where you clearly need to avoid auto. If you're using something like a proxy type where you're depending on the conversion from proxy-...
Setting multiple attributes for an element at once with JavaScript
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The properties, elem.height etc., are read-only, so this fails. I looked at the descriptors, and they are accessors with only a getter (undefined setter).
– lukeuser
Jul 17 '18 at 2:57
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Where do you store your salt strings?
...lted-hash of the password. The application is aware of this design so can fetch this data, and obtain the salt and salted-password hash.
My rationale for this approach:
If the password/hash data is compromised and falls into the hands of an attacker, the attacker will not know what the salt is fro...