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How to add images in select list?

...d</option> <option value='archived' style='color:red;'>   Archived</option> </select> Note the font-family:Arial, FontAwesome; is required to be assigned in style for select like given in the example! ...
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Configuring Log4j Loggers Programmatically

... If someone comes looking for configuring log4j2 programmatically in Java, then this link could help: (https://www.studytonight.com/post/log4j2-programmatic-configuration-in-java-class) Here is the basic code for configuring a Console Appender: ConfigurationBuilder<BuiltConfiguration> ...
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Count occurrences of a char in plain text file

...grep and wc for the same file: real 0m0.522s user 0m0.477s sys 0m0.023s share | improve this answer | follow | ...
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What's Pros and Cons: putting javascript in head and putting just before the body close

Most of javascript and web development books/articles says that you must put CSS in the head tag and javascript at the bottom of the page. ...
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How do I efficiently iterate over each entry in a Java Map?

... 0.016 µs/op test2_UsingForEachAndMapEntry avgt 10 0.391 ± 0.023 µs/op test7_UsingJava8StreamApi avgt 10 0.510 ± 0.014 µs/op test9_UsingApacheIterableMap avgt 10 0.524 ± 0.008 µs/op test4_UsingKeySetAndForEach avgt 10 0.816 ± 0.026 µs/op test...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...):021:0* Benchmark.measure do irb(main):022:1* 100_000.times { irb(main):023:2* int_times.each do |i| irb(main):024:3* Time.at(i).to_datetime irb(main):025:3> end irb(main):026:2> } irb(main):027:1> end => #<Benchmark::Tms:0x00007fbdc3108be0 @label="", @real=0.330593...
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Which characters need to be escaped when using Bash?

...2' 2C E \, 46 - F 60 E \` 7A - z 13 E $'\023' 2D - - 47 - G 61 - a 7B E \{ 14 E $'\024' 2E - . 48 - H 62 - b 7C E \| 15 E $'\025' 2F - / 49 - I 63 - c 7D E \} 16...
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What are the undocumented features and limitations of the Windows FINDSTR command?

... 247 021 046 170 197 222 248 022 047 173 198 223 249 023 058 174 199 224 250 024 059 175 200 226 251 025 060 176 201 227 254 026 061 177 202 228 255 027 062 178 203 229 Regex character class ranges [x-y] Character class ranges d...
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What does “use strict” do in JavaScript, and what is the reasoning behind it?

... must be unique (function sum (x, x) {...}) Forbids octal syntax (var x = 023; some devs assume wrongly that a preceding zero does nothing to change the number.) Forbids the with keyword eval in strict mode does not introduce new variables Forbids deleting plain names (delete x;) Forbids bindin...
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Java HashMap performance optimization / alternative

...0,000 puts, 100,000 to 2,000,000 was: 168350.17 109409.195 81344.91 64319.023 53780.79 45931.258 39680.29 34972.676 31354.514 28343.062 25562.371 23850.695 22299.22 20998.006 19797.799 18702.951 17702.434 16832.182 16084.52 15353.083 Using the new method gives: 337837.84 337268.12 337078.66 3369...