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Apply style ONLY on IE

... 2017 Depending on the environment, conditional comments have been officially deprecated and removed in IE10+. Original The simplest way is probably to use an Internet Explorer conditional comment in your HTML: <!--[if IE]> <style> .actual-form table { width: 100%; ...
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How to remove item from list in C#?

...== 2); resultList.Remove(itemToRemove); When you are not sure the item really exists you can use SingleOrDefault. SingleOrDefault will return null if there is no item (Single will throw an exception when it can't find the item). Both will throw when there is a duplicate value (two items with the s...
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postgresql list and order tables by size

How can I list all the tables of a PostgreSQL database and order them by size ? 7 Answers ...
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Disable ONLY_FULL_GROUP_BY

I accidentally enabled ONLY_FULL_GROUP_BY mode like this: 26 Answers 26 ...
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What is tail recursion?

...return x; } else { return x + recsum(x - 1); } } If you called recsum(5), this is what the JavaScript interpreter would evaluate: recsum(5) 5 + recsum(4) 5 + (4 + recsum(3)) 5 + (4 + (3 + recsum(2))) 5 + (4 + (3 + (2 + recsum(1)))) 5 + (4 + (3 + (2 + 1))) 15 Note how every recur...
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How to select lines between two marker patterns which may occur multiple times with awk/sed

... @KasunSiyambalapitiya: Mostly it means I like to use it. Formally, it specifies that the next argument is (part of) the script that sed should execute. If you want or need to use several arguments to include the entire script, then you must use -e before each such argument; otherwise,...
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Determining 32 vs 64 bit in C++

...esentation. I prefer ENVIRONMENT64 / ENVIRONMENT32. Then I find out what all of the major compilers use for determining if it's a 64 bit environment or not and use that to set my variables. // Check windows #if _WIN32 || _WIN64 #if _WIN64 #define ENVIRONMENT64 #else #define ENVIRONMENT32 #endif...
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Handling warning for possible multiple enumeration of IEnumerable

... The problem with taking IEnumerable as a parameter is that it tells callers "I wish to enumerate this". It doesn't tell them how many times you wish to enumerate. I can change the objects parameter to be List and then avoid the possible multiple enumeration but then I don't get the highes...
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Time complexity of Sieve of Eratosthenes algorithm

...oose upper-bound is n(1+1/2+1/3+1/4+1/5+1/6+…1/n) (sum of reciprocals of all numbers up to n), which is O(n log n): see Harmonic number. A more proper upper-bound is n(1/2 + 1/3 + 1/5 + 1/7 + …), that is sum of reciprocals of primes up to n, which is O(n log log n). (See here or here.) The "find...
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How to duplicate object properties in another object?

...r the idea of applying any rules to any situation harmful and unwise. Like all these pattern-driven development practices that are going on, so don't take it personal… – Michael Krelin - hacker Oct 3 '12 at 20:03 ...