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Can anybody tell what's the problem of the code below? int main () { return main(); } I tested, it ... It's running forever. Anymore trick behind the scene? Question&Answers:os...

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

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jsp - Call Servlet and invoke Java code from JavaScript along with parameters

I have session key that is a JavaScript variable which I got from a REST API call. I need to call my Java ... . What JavaScript function can I use to do that? Question&Answers:os...

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

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458 views

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bash - Tilde in path doesn't expand to home directory

Say I have a folder called Foo located in /home/user/ (my /home/user also being represented by ~). I want to have ... fine. Any clue on how to get this to work? Question&Answers:os...

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

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Specifying file to process to Perl one-liner

I was given a Perl one-liner. It has the following form: perl -pe'...' How do I specify the file to process to the program? Question&Answers:os...

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

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153 views

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Specificity of inherited CSS properties

What is the level of CSS specificity received by inherited properties? I read through the W3 recommendation ... takes precedence over the inherited property. Question&Answers:os...

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

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objective c - NSMutableArray addObject not affecting count?

Can anyone tell me why logging [self.giftees count] keeps returning 0 even though I'm adding objects to it? header: ... self.giftees count]); [g release]; } } Question&Answers:os...

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

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JavaScript chop/slice/trim off last character in string

I have a string, 12345.00, and I would like it to return 12345.0. I have looked at trim, but it looks like ... I don't see how this would work. Any suggestions? Question&Answers:os...

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

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css - Add Bootstrap Glyphicon to Input Box

How can I add a glyphicon to a text type input box? For example I want to have 'icon-user' in a username input, something like this: Question&Answers:os...

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

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python - Reloading submodules in IPython

Currently I am working on a python project that contains sub modules and uses numpy/scipy. Ipython is used ... sub modules, but without reloading numpy/scipy.. Question&Answers:os...

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

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What is the correct way to check for string equality in JavaScript?

What is the correct way to check for equality between Strings in JavaScript? Question&Answers:os...

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

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c++ - How to properly add include directories with CMake

About a year ago I asked about header dependencies in CMake. I realized recently that the issue seemed to ... should be tracked by the generated Makefile? Question&Answers:os...

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

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Examples of good gotos in C or C++

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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Getting a better understanding of callback functions in JavaScript

I understand passing in a function to another function as a callback and having it execute, but I'm not ... 't seem like the correct approach to me. Question&Answers:os...

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

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550 views

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How do I block or restrict special characters from input fields with jquery?

How do I block special characters from being typed into an input field with jquery? Question&Answers:os...

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

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java - How to change the decimal separator of DecimalFormat from comma to dot/point?

I have this little crazy method that converts BigDecimal values into nice and readable Strings. private String ... would be perfect by European standards. Question&Answers:os...

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

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java - How to test if a double is an integer

Is it possible to do this? double variable; variable = 5; /* the below should return true, since 5 is an int. ... t go anything like that, but how does it go? Question&Answers:os...

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

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322 views

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ios - Swift 3 URLSession.shared() Ambiguous reference to member 'dataTask(with:completionHandler:) error (bug)

Hello I have working json parsing code for swift2.2 but when i use it for Swift 3.0 gives me that error ... error) } } task.resume() Thanks for ideas. Question&Answers:os...

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

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1 answer

python - Rolling window for 1D arrays in Numpy?

Is there a way to efficiently implement a rolling window for 1D arrays in Numpy? For example, I have this pure Python ... it doesn't seem to be for 1D arrays. Question&Answers:os...

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

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240 views

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What does the "|" (single pipe) do in JavaScript?

console.log(0.5 | 0); // 0 console.log(-1 | 0); // -1 console.log(1 | 0); // 1 Why does 0.5 ... returns the input integer? What does the single pipe ("|") do? Question&Answers:os...

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

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159 views

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html - How to get selected text from textbox control with javascript

I have a textbox and a link button. When I write some text, then select some of them and then click the link ... must be still selected. How it is be done? Question&Answers:os...

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

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329 views

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php - "Cannot send session cache limiter - headers already sent"

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

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151 views

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Resize an Array while keeping current elements in Java?

I have searched for a way to resize an array in Java, but I could not find ways of resizing the array while keeping ... but I'm, not sure how to implement it. Question&Answers:os...

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

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248 views

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c++ - Initializer lists and RHS of operators

I do not understand why initializer lists cannot be used on the RHS of an operator. Consider: class foo { }; struct bar { ... bar{1, -2, "foo", 4, 5}; ? Question&Answers:os...

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

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204 views

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c# - How to get children of a WPF container by type?

How can I get the child controls of type ComboBox in MyContainer Grid in WPF? <Grid x:Name=" ... myCombobox = this.MyContainer.Children.GetType(ComboBox); Question&Answers:os...

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

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android - Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'

Good day. After updating google repository in AndroidStudio, I have an issue > Error:Execution failed for task ':app: ... .gms:play-services-gcm:8.1.0' } Question&Answers:os...

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

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296 views

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Python list multiplication: [[...]]*3 makes 3 lists which mirror each other when modified

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

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374 views

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mysql - Using PHP 5.5's password_hash and password_verify function

Say I wanted to store a password for a user, would this be the right way to do it with PHP 5.5's ... ; if (password_verify($password, $hash) { // Verified } Question&Answers:os...

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

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376 views

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php - How do I set ORDER BY params using prepared PDO statement?

I'm having problems using params in the ORDER BY section of my SQL. It doesn't issue any ... PDO::PARAM_COLUMN_NAME constant or some equivalent? Thanks! Question&Answers:os...

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

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