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Are “elseif” and “else if” completely synonymous?

...HP manual: In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this is the same behavior) but the bottom line is that both would result in exactl...
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If string is empty then return some default value

Often I need to check if some value is blank and write that "No data present" like that: 6 Answers ...
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Sass calculate percent minus px

I want to be able to do the following: 6 Answers 6 ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

... var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); 扩展App Inventor:...
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How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?

...to parse url-encoded strings that are made up of key=value pairs separated by either & or & . 15 Answers ...
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Python's os.makedirs doesn't understand “~” in my path

I have a little problem with ~ in my paths. 5 Answers 5 ...
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Adding a y-axis label to secondary y-axis in matplotlib

I can add a y label to the left y-axis using plt.ylabel , but how can I add it to the secondary y-axis? 3 Answers ...
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Trigger change event of dropdown

... I don't know that much JQuery but I've heard it allows to fire native events with this syntax. $(document).ready(function(){ $('#countrylist').change(function(e){ // Your event handler }); // And now fire change event when the DOM is...
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How do I create a custom Error in JavaScript?

...Error.prototype = Error.prototype; However, I would just throw your own object and just check the name property. throw {name : "NotImplementedError", message : "too lazy to implement"}; Edit based on comments After looking at the comments and trying to remember why I would assign prototype to...
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How to sleep for five seconds in a batch file/cmd [duplicate]

Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.) ...