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    I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks ... "%destinationMoveDirectory%" rd /s /q "%sourceMoveDirectory%" ) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    If I enter any value less than 24, it does print the "You will be old..." statement. If I enter any value greater than 24 (ONLY up to 99), it prints ... else: print('You will be old before you know it.') See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to save boolean values and then compare them in an if-else block. My current logic is: boolean locked = true; if (locked == true) { /* ... I save the boolean variable which has been set to false? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've seen this code on the Swift site and various posts here and I am trying to grasp the basics. How is this line evaluated? if let name = optionalName { ... !" if let name = optionalName { greeting = "Hello, (name)" } Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This question already has answers here: Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Something that really would like to know but never found out are shortcuts in PHP. I am currently coding a function with a foreach loop with just a ... about when and where it is possible to omit the curly brackets. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's say that you have the code if stringValue == "ab" || stringValue == "bc" || stringValue == "cd" { // do something } Is ... seem language specific and not applicable to Swift. Any solutions would be appreciated. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This question already has answers here: Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would probably know. The module is "Data Structures and ... I've been googling for hours and nothing has come up. Any ideas? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to output some HTML code based on some condition in a JSP file. if (condition 1) { Some HTML code specific for condition 1 } else if (condition 2 ... for condition 2 } How can I do that? Should I use JSTL? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm reading bash examples about if but some examples are written with single square brackets: if [ -f $param ] then #... fi others with double ... ] then start looking for errors in yourlog fi What is the difference? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Given the following code: if (is_valid($string) && up_to_length($string) && file_exists($file)) { ...... } If is_valid($string) returns false, does the php ... then why does it do extra work when it doesn't have to? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to do a condition in an AngularJS template. I fetch a video list from the Youtube API. Some of the videos are in 16:9 ratio and some are in ... for this condition: Add a function in the scope? Do it in template? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like if [ "`id -nu`" = " ... you madly, $someuser" fi He couldn't provide a rationale. Is there one? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I understand how this construct works: for i in range(10): print(i) if i == 9: print("Too big - I'm giving up!") break; else: ... Perhaps I'm missing something that would make such code blocks more easily decipherable? Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a variable v in my program, and it may take any value from the set of values "a", "b", "c", ..., "z" And my goal is to ... IF; The statements inside the if condition always get executed. Am I doing anything wrong? Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I was trying to write a Bash script that uses an if statement. if[$CHOICE -eq 1]; The script was giving me errors until I gave a space before and ... is, why is the space around the square brackets so important in Bash? Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    If column A contain "TP" then "Yes". If column A contain "TP-" then "Yes". If column A contain "-A" then "Yes". If column A ... //stackoverflow.com/questions/65830597/switch-true-the-same-column-contain-multiple-search-criteria-in-power-bi...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    The cond-expression in Scheme is a special form, but is the else keyword, used as final case in a cond-expression, a special form? Or is it just a reserved ... /is-the-else-keyword-used-as-final-case-in-a-cond-expression-a-special-form-i...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    It's a simple winform that converts weight into another unit, I have a optional box for the user to input the number of decimal places ... } question from:https://stackoverflow.com/questions/65832226/tryparse-ifstatment-causing-no-return...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a small doubt in ifelse confition. I've read numerous articles and tried different solutions but I'm not able to solve it. Please help ... from:https://stackoverflow.com/questions/65832876/ifelse-not-working-correctly-using-mutate-r...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I started to come across this problem a lot. I want to include an element around other elements if a boolean is true. In the example below I make ... /questions/65835464/is-there-a-better-way-in-svelte-to-include-a-conditional-html-element...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This question already has answers here: question from:https://stackoverflow.com/questions/65842067/does-go-execute-all-the-conditions-in-if-if-the-first-fails...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    My dataset looks like this: df <- data.frame(PatientID = c("3454","345","5","345","567","79"), sex = c(Female, Female, ... /stackoverflow.com/questions/65843453/create-a-new-column-based-on-conditional-inclusion-fulfilling-conditions-in-r...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I made a program where the user is given 10 rounds to make as much money as he/she can using bets. The user gives a bet, then picks heads or tails ... .com/questions/65851325/how-do-i-update-and-print-an-int-whenever-for-loop-is-ran...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is it possible, to skip/ignore disk_encryption_set_id = azurerm_disk_encryption_set.this.id line if var.encrypt = false, and execute it if var.encrypt = ... //stackoverflow.com/questions/65854639/terraform-0-14-skip-line-based-on-variable...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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523 views
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    How do I differentiate between these two urls in my if statement? if (!window.location.href.match('https://permatex.com.au/collections?category= ... .com/questions/65856026/window-location-href-match-does-that-give-exact-match-javascript...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a program that reads in 5 files, performs a "two sum" algorithm over the arrays in the file, and outputs to a new file if there's a ... question from:https://stackoverflow.com/questions/65867185/python-if-else-logic-with-file-i-o...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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