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Automate ssh-keygen -t rsa so it does not ask for a passphrase
...sa -N ''
As noted in man ssh-keygen :
SYNOPSIS
ssh-keygen [-q] [-b bits] [-t dsa | ecdsa | ed25519 | rsa | rsa1] [-N new_passphrase] [-C comment] [-f output_keyfile]
(...)
-q Silence ssh-keygen.
(that is with openssh-client package in Debian 9.4 stretch : OpenSSH_6.7p1 Debian-5+...
C++, Free-Store vs Heap
...t you NEVER mix "new" and "delete" with "malloc", "realloc", or "free" (or bit level sets for that matter).
During interviews it's good to say that "new and delete use the free store, malloc and free use the heap; new and delete call the constructor and destructor, respectively, however malloc and f...
How to count certain elements in array?
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[this answer is a bit dated: read the edits]
Say hello to your friends: map and filter and reduce and forEach and every etc.
(I only occasionally write for-loops in javascript, because of block-level scoping is missing, so you have to use a ...
Convert.ChangeType() fails on Nullable Types
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This is a little bit long-ish for an example, but this is a relatively robust approach, and separates the task of casting from unknown value to unknown type
I have a TryCast method that does something similar, and takes nullable types into a...
Is there a “do … until” in Python? [duplicate]
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I prefer to use a looping variable, as it tends to read a bit nicer than just "while 1:", and no ugly-looking break statement:
finished = False
while not finished:
... do something...
finished = evaluate_end_condition()
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Can a Windows batch file determine its own file name?
Can a Windows batch file determine its own file name?
6 Answers
6
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Pretty-print C++ STL containers
...print" function to use on the item instead of just outputting it direct. A bit like STL algorithms allow you to pass in custom predicates. With map you would use it this way, with a custom printer for the std::pair.
Your "default" printer would just output it to the stream.
Ok, let's work on a cus...
How to find Unused Amazon EC2 Security groups
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Dherik
11.2k1010 gold badges7373 silver badges114114 bronze badges
answered Jul 11 '14 at 18:56
RayRay
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Iterate over object keys in node.js
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Thanks !, this improves my iterator a bit :) (updated the code) but sadly the memory issue remains :( And i can not use forEach since each iteration step should be invoked from an async setTimeout.
– stewe
Sep 16 '11 at 8:41...
How to find what code is run by a button or element in Chrome using Developer Tools
...stacked, and you may not know which one triggers the code.
If this is a bit out of your knowledge, take a look at Chrome's tutorial on debugging.
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