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How do you convert epoch time in C#?

... The latest version of .Net (v4.6) just added built-in support for Unix time conversions. That includes both to and from Unix time represented by either seconds or milliseconds. Unix time in seconds to DateTimeOffset: DateTime...
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C++ performance vs. Java/C#

...f C++ because of this intermediate step, however I've been told that the latest compilers ("hot spot") can attain this speed or even exceed it. ...
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Replace part of a string with another string

...os, search.length(), replace); pos += replace.length(); } } Tests: std::string input = "abc abc def"; std::cout << "Input string: " << input << std::endl; std::cout << "ReplaceString() return value: " << ReplaceString(input, "bc", "!!") <&...
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How to use sed/grep to extract text between two words?

...190650 That would work if you want to see the "Here is a" as well. You can test it out: echo "Here is a one is a String" | sed -e 's/one is\(.*\)String/\1/'. If you just want the part between "one is" and "String", then you need to make the regex match the whole line: sed -e 's/.*one is\(.*\)String....
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sed one-liner to convert all uppercase to lowercase?

...seems to be \L\1, so \L& is an exception with the missing backslash. I tested this and if you add the backslash before the & you just get a literal &. – Roel Van de Paar 2 days ago ...
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Difference between setTimeout with and without quotes and parentheses

... Totally agree with Joseph. Here is a fiddle to test this: http://jsfiddle.net/nicocube/63s2s/ In the context of the fiddle, the string argument do not work, in my opinion because the function is not defined in the global scope. ...
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Is it a bad practice to use negative margins in Android?

...odd thing I've found that only affected 4.0.3, so my new rule is to always test with a 4.0.3 emulator :) I have success with reducing the bottom margin of a TextView by using android:lineSpacingExtra="-2dp" which works even though I happen to have android:singleLine="true" (and so I wouldn't have t...
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How to delete multiple files at once in Bash on Linux?

...s rm -rf. I have used something like this in the past with good results. Test on a sample directory first! EDIT - I might have misunderstood, based on the other answers that are appearing. If you can use wildcards, great. I assumed that your original list that you displayed was generated by a p...
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Objective-C : BOOL vs bool

... means that this example code will run differently on different platforms (tested it myself): int myValue = 256; BOOL myBool = myValue; if (myBool) { printf("i'm 64-bit iOS"); } else { printf("i'm 32-bit iOS"); } BTW never assign things like array.count to BOOL variable because about 0.4%...
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How to calculate a time difference in C++

...robably overkill), it would look something like this [browser written, not tested]: ptime time_start(microsec_clock::local_time()); //... execution goes here ... ptime time_end(microsec_clock::local_time()); time_duration duration(time_end - time_start); cout << duration << '\n'; ...