Recent questions tagged IF

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if statement - How to use if - else structure in a batch file?

I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't ... /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 statement - Comparing numbers give the wrong result in Python

If I enter any value less than 24, it does print the "You will be old..." statement. If I enter any value ... 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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if statement - How to store a boolean value using SharedPreferences in Android?

I want to save boolean values and then compare them in an if-else block. My current logic is: boolean locked = ... 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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if statement - How is Swift IF LET evaluated?

I've seen this code on the Swift site and various posts here and I am trying to grasp the basics. How is this ... = 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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if statement - Can you make multiple "if" conditions in Python?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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if statement - PHP - If/else, for, foreach, while - without curly braces?

Something that really would like to know but never found out are shortcuts in PHP. I am currently coding a ... 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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if statement - How to compare one value against multiple values - Swift

Let's say that you have the code if stringValue == "ab" || stringValue == "bc" || stringValue = ... 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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if statement - Floating point comparison with variable in bash

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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if statement - Is "IF" expensive?

I can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would probably ... 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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if statement - if...else within JSP or JSTL

I want to output some HTML code based on some condition in a JSP file. if (condition 1) { Some HTML code specific ... } 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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if statement - Difference between single and double square brackets in Bash

I'm reading bash examples about if but some examples are written with single square brackets: if [ -f $param ] ... 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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if statement - Does PHP have short-circuit evaluation?

Given the following code: if (is_valid($string) && up_to_length($string) && file_exists($file)) { ...... } If ... 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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if else statement in AngularJS templates

I want to do a condition in an AngularJS template. I fetch a video list from the Youtube API. Some of the videos ... 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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if statement - Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in ... 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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if statement - Why does python use 'else' after for and while loops?

I understand how this construct works: for i in range(10): print(i) if i == 9: print("Too big ... 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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if statement - Why non-equality check of one variable against many values always returns true?

I have a variable v in my program, and it may take any value from the set of values "a", "b", " ... 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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if statement - Why should there be spaces around '[' and ']' in Bash?

I was trying to write a Bash script that uses an if statement. if[$CHOICE -eq 1]; The script was ... 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 statement - Switch (True); The same column contain multiple search criteria in Power BI

If column A contain "TP" then "Yes". If column A contain "TP-" then "Yes". If column A contain "- ... /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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if statement - Is the "else" keyword, used as final case in a cond-expression, a special form in Scheme?

The cond-expression in Scheme is a special form, but is the else keyword, used as final case in a cond-expression, a ... -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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if statement - TryParse IfStatment Causing No Return

It's a simple winform that converts weight into another unit, I have a optional box for the user ... ://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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if statement - ifelse() not working correctly using mutate: R

I have a small doubt in ifelse confition. I've read numerous articles and tried different solutions but I'm ... .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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if statement - Is there a better way in Svelte to include a conditional HTML element

I started to come across this problem a lot. I want to include an element around other elements if a boolean is ... -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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if statement - Does Go execute all the conditions in "if' if the first fails?

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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if statement - Create a new column based on conditional inclusion fulfilling conditions in R

My dataset looks like this: df <- data.frame(PatientID = c("3454","345","5","345","567","79" ... /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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if statement - How do I update and print an int whenever for-loop is ran

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 ... /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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if statement - Terraform 0.14 skip line based on variable

Is it possible, to skip/ignore disk_encryption_set_id = azurerm_disk_encryption_set.this.id line if var.encrypt = false, ... /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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if statement - !window.location.href.match does that give EXACT match (javascript)

How do I differentiate between these two urls in my if statement? if (!window.location.href.match('https:/ ... /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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if statement - Python If/Else Logic with File I/O

I have a program that reads in 5 files, performs a "two sum" algorithm over the arrays in the file, and ... 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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