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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
...efers to a normal non-unique index. Non-distinct values for the index are allowed, so the index may contain rows with identical values in all columns of the index. These indexes don't enforce any restraints on your data so they are used only for access - for quickly reaching certain ranges of reco...
Remove credentials from Git
...everal repositories, but lately I was just working in our internal one and all was great.
35 Answers
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initializer_list and move semantics
Am I allowed to move elements out of a std::initializer_list<T> ?
8 Answers
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Is background-color:none valid CSS?
...nswered Jan 5 '12 at 8:42
James AllardiceJames Allardice
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What is SaaS, PaaS and IaaS? With examples
...ike virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides you computing platform...
What is a fat JAR? [duplicate]
...eard people say that they create a fat JAR and deploy it. What do they actually mean ?
6 Answers
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Java 8: How do I work with exception throwing methods in streams?
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You need to wrap your method call into another one, where you do not throw checked exceptions. You can still throw anything that is a subclass of RuntimeException.
A normal wrapping idiom is something like:
private void safeFoo(final A a) {
try {
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In SQL, what's the difference between count(column) and count(*)?
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Just curious: if you have a row with all NULLs, would count(*) still count it, or is just count(column) for all columns?
– Joel Coehoorn
Sep 12 '08 at 15:29
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Random number from a range in a Bash Script
... Also, it's probably fine for this use, but I believe shuf does actually permute the entire input. This makes it a bad choice if you're generating the random numbers very frequently.
– Cascabel
Mar 31 '10 at 20:42
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How do I toggle an element's class in pure JavaScript?
... Thank you so much! It's working now :) I add more option for loop: var All = document.querySelectorAll('.menu'); for (var i = 0; i < All.length; i++){ All[i].classList.toggle('hidden-phone'); }
– Blue Tram
Feb 1 '19 at 3:52
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