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Why is there no String.Empty in Java?

...tringBuilder (or StringBuffer if you want to be thread-safe) and turn that into a String. Update From your comment to the question: What inspired this is actually TextBox.setText(""); I believe it would be totally legitimate to provide a constant in your appropriate class: private static f...
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Force add despite the .gitignore file

...me slash "/" works but backslash "\" doesn't. The fact that cmd/PowerShell convert "/" to "\" for us makes it easy to run into this. – ohw Oct 18 '15 at 22:47 add a comment ...
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How to find the length of a string in R

... nchar(YOURSTRING) you may need to convert to a character vector first; nchar(as.character(YOURSTRING)) share | improve this answer | ...
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How can I check if a URL exists via PHP?

...ResponseCode_using_curl($url, $followredirects = true){ // returns int responsecode, or false (if url does not exist or connection timeout occurs) // NOTE: could potentially take up to 0-30 seconds , blocking further code execution (more or less depending on connection, target site, ...
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Javascript: How to detect if browser window is scrolled to bottom?

... This works window.onscroll = function() { // @var int totalPageHeight var totalPageHeight = document.body.scrollHeight; // @var int scrollPoint var scrollPoint = window.scrollY + window.innerHeight; // check if we hit the bottom of the page if(scrollPo...
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Subset of rows containing NA (missing) values in a chosen column of a data frame

...r "NA" and "NULL" cells may be of various type (the default behavior is to convert "NA" strings to NA values, and let "NULL" strings as is). If using read.table() or read.csv(), you should consider the "na.strings" argument to do clean data import, and always work with real R NA values. An example...
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Changing Locale within the app itself

...y I wanted to clarify the issue here. I used this question as a starting point for my own locale switching code and found out that the method is not exactly correct. It works, but only until any configuration change (e.g. screen rotation) and only in that particular Activity. Playing with a code for...
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Remove empty elements from an array in Javascript

...ter method in the first case, calls the Boolean constructor as a function, converting the value, and in the second case, the filter method internally turns the return value of the callback implicitly to Boolean. If you are working with sparse arrays, and you are trying to get rid of the "holes", yo...
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How can I configure my makefile for debug and release builds?

...to carefully copy paste each new thing for debug and release and carefully convert it. – BeeOnRope Jul 31 '18 at 5:04 ...
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The Web Application Project […] is configured to use IIS. The Web server […] could not be found.

...ght click on the folder you added and you should have an option that says 'convert to application' or 'create virtual directory' or something similar. !!Make sure the Virtual directory has the name 'MyWebApp'!! Reload your solution and it should work. Please be wary; this isn't a programming ques...