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javascript - Selecting an ID with a colon in it with jQuery

I'm working on a pre-written module for a site, and I need to target an element with the id test:two. Now, ... id="test:two">test two</div> See Question&Answers more detail:os...

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

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java - Comparable and Comparator contract with regards to null

Comparable contract specifies that e.compareTo(null) must throw NullPointerException. From the API: Note that null is ... of a design error? See Question&Answers more detail:os...

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

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java - Avoiding getfield opcode

In Java's String class, the trim method contains this: int off = offset; /* avoid getfield opcode */ char[] ... and hence this is returned) or? See Question&Answers more detail:os...

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

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Getting fullscreen mode to my browser using jquery

How can I enter full screen mode using just Javascript/JQuery code? The goal is to enter fullscreen mode ... browser, but then programmatically. See Question&Answers more detail:os...

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

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Reading from CSVs in Python repeatedly?

I'm trying to check the value of extracted data against a csv I already have. It will only loop ... append(comments) goodrows.append(row) See Question&Answers more detail:os...

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

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Is there a way to create a function pointer to a method in Rust?

For example, struct Foo; impl Foo { fn bar(&self) {} fn baz(&self) {} } fn main() { let foo = Foo; ... parentheses to call the method: `bar()` See Question&Answers more detail:os...

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

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How can i convert between F# List and F# Tuple?

Is there some way to convert between F# List and F# Tuple? For example: [1;2;3] -> (1,2,3) (1,2,3 ... tuple = ... Thank you in advance. See Question&Answers more detail:os...

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

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scala - How do I make a function involving futures tail recursive?

In my Scala app, I have a function that calls a function which returns a result of type Future[T]. I ... FactorialCalc.factorial(4), 5.seconds) See Question&Answers more detail:os...

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

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ios - EXC_BAD_ACCESS when building nspredicate

I am calculating the number of months between a birthdate and today. With that number, I am building a predicate ... ]; Why is this happening? See Question&Answers more detail:os...

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

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apache - Intermittent PHP Abstract Class Error

I've been fighting this for a bit, and can't figure it out, maybe someone else has or maybe there's a ... ini file and looking at phpinfo(). See Question&Answers more detail:os...

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

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prng - Do stateless random number generators exist?

Is there a difference between generating multiple numbers using a single random number generator (RNG) versus ... sequence also random? See Question&Answers more detail:os...

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

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android - Firebase Token Authentication error

I am using firebase storage to upload files , but when I upload I am getting this error E/StorageUtil: error ... have signed in, in firebase. See Question&Answers more detail:os...

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

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php - Why doesn't var_dump work with DOMDocument objects, while print($dom->saveHTML()) does?

Why doesn't var_dump work with DOMDocument objects, while print($dom->saveHTML()) produces output? See Question&Answers more detail:os...

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

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Wait for process to finish before proceeding in Java

Essentially, I'm making a small program that's going to install some software, and then run some basic commands ... .exe /update -silent"); See Question&Answers more detail:os...

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

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vb.net - Where are My.Settings saved in VB 2010 .NET?

Are My.Settings values saved in the program itself or do they get stored in the registry? So, for example, ... the My.Settings value still set? See Question&Answers more detail:os...

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

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How to append a whole dataframe to a CSV in R

I can already append a row to a CSV using cat which makes that very easy: cat("my row, 1, 2, 3, 4", " ... one have good way of doing this in R? See Question&Answers more detail:os...

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

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tsql - Using Aliases in Where Clause or an Alternative Option?

How do I get this to work, it works without the Where Clause, otherwise with the Where clause, i get the obvious ... (N) Where City is NOT Null See Question&Answers more detail:os...

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

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algorithm - What's the quickest way to compute log2 of an integer in C#?

How can I most efficiently count the number of bits required by an integer (log base 2) in C#? For example: int bits ... log2(100); => bits == 7 See Question&Answers more detail:os...

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

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lotus domino - Meaning of java.lang.ClassCastException: someClass incompatible with someClass

I was experiencing occasional exceptions in XPages application: java.lang.ClassCastException: someClass incompatible with ... this behavior? See Question&Answers more detail:os...

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

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html - HTML5: Non-replaced vs. replaced element?

I see section 10.3 Non-replaced elements in the HTML5 spec. I was able to find the definition via Google ... non-replaced vs. replaced elements? See Question&Answers more detail:os...

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

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javascript - Ajax file upload

I want to upload a file using Ajax and php. I have a form with <input type="file"> tag. I want when user ... to upload file with help of ajax. See Question&Answers more detail:os...

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

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Java tool/method to force-kill a child process

I am looking for a Java tool/package/library that will allow me to force-kill a child process. This ... same behaviour using a ProcessBuilder. See Question&Answers more detail:os...

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

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pointers - Why should constructor of Go return address?

I understand that Go doesn't have any constructors and a New func is used in its place, but according ... of constructor or something. Thanks. See Question&Answers more detail:os...

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

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tfs - Source Control - Distributed Systems vs. Non Distributed - What's the difference?

I just read Spolsky's last piece about Distributed vs. Non-Distributed version control systems http://www.joelonsoftware ... does this fall in? See Question&Answers more detail:os...

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

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How to echo in PHP, HTML tags

I went through this before posting: How can I echo HTML in PHP? And I still couldn't make it work. I'm ... disappear. What do I have to do? See Question&Answers more detail:os...

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

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202 views

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sql server - cross apply xml query performs exponentially worse as xml document grows

What I Have I have a variable size XML document that needs to be parsed on MSSQL 2008 R2 that looks like this ... the tabular dataset (in SQL)? See Question&Answers more detail:os...

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

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python - Tkinter Label does not show Image

I'm trying to learn some tkinter. I can't get tkinter to display an icon. I don't know where it goes wrong. ... app = GUI(root) root.mainloop() See Question&Answers more detail:os...

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

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python - Same value for id(float)

As far as I know, everything is object in Python and the id() should (am I right?) return a different number ... same id for all float values? See Question&Answers more detail:os...

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

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