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What does the “yield” keyword do?

...one, etc. And generators return... well that's where yield comes in: def f123(): yield 1 yield 2 yield 3 for item in f123(): print item Instead of yield statements, if you had three return statements in f123() only the first would get executed, and the function would exit. But f1...
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How do I properly escape quotes inside HTML attributes?

...gh, try <option value='<?php echo htmlentities("' onmouseover='alert(123);' foo='"); ?>' /> - make sure you use it with ENT_QUOTES, this is safe: <option value='<?php echo htmlentities("' onmouseover='alert(123);' foo='", ENT_QUOTES); ?>' /> , but in addition to ENT_QUOTES y...
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Where to put Gradle configuration (i.e. credentials) that should not be committed?

... ~/.gradle/gradle.properties: mavenUser=admin mavenPassword=admin123 build.gradle: ... authentication(userName: mavenUser, password: mavenPassword) share | improve this answer ...
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How to get the last character of a string in a shell?

...wered Jul 16 '15 at 9:20 mr.baby123mr.baby123 1,7841919 silver badges1212 bronze badges ...
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How to write a simple database engine [closed]

...rt of each column to have the length of this column like "Adam", 1, 11.1, "123 ABC Street POBox 456" you can have it like <&RowHeader, 1><&Col1,CHR, 4>Adam<&Col2, num,1,0>1<&Col3, Num,2,1>111<&Col4, CHR, 24>123 ABC Street POBox 456<&RowTrailer...
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How to force R to use a specified factor level as reference in a regression?

... See the relevel() function. Here is an example: set.seed(123) x <- rnorm(100) DF <- data.frame(x = x, y = 4 + (1.5*x) + rnorm(100, sd = 2), b = gl(5, 20)) head(DF) str(DF) m1 <- lm(y ~ x + b, data = DF) summary(m1) Now alter the factor ...
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Map vs Object in JavaScript

...d Symbol keys where as Maps support more or less any key type. If I do obj[123] = true and then Object.keys(obj) then I will get ["123"] rather than [123]. A Map would preserve the type of the key and return [123] which is great. Maps also allow you to use Objects as keys. Traditionally to do this y...
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Learning Regular Expressions [closed]

...ore characters, and terminated by a right-parenthesis. If your input is '(123) (456)', then the first capture will be '123'. Non-greedy quantifiers want to allow the rest of the pattern to start matching as soon as possible. (As to your confusion, I don't know of any regular-expression dialect whe...
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Convert RGB to RGBA over white

...ales using (177 - 152) / 0.404 ~ 62 202 scales using (202 - 152) / 0.404 ~ 123 So, rgb(152, 177, 202) displays as rgba(0, 62, 123, .404). I have verified in Photoshop that the colors actually match perfectly. share ...
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How do I create a readable diff of two spreadsheets using git diff?

...sxd OpenOffice.org .odt/.ods/.odp/.odg Open Document .wj2/wj3/wk3/wk4/123 Lotus 123 .wri Windows3.1 Write .pdf Adobe PDF .mht Web Archive .eml Exported files from OutlookExpress Regard, Andres share ...