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Save file Javascript with file name

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

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debugging - Visual Studio debugger - Displaying integer values in Hex

I'm using Visual Studio 2008 and I have just noticed that the debugger is displaying integer values as Hex when I ... do I set it back to display in decimal? Question&Answers:os...

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

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c++ - Checking cin input stream produces an integer

I was typing this and it asks the user to input two integers which will then become variables. From there it will carry ... + secondvariable << " " << endl; } Question&Answers:os...

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

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android - error opening trace file: No such file or directory (2)

I am getting the above error: error opening trace file: No such file or directory (2) when I run my android ... be some issue with writing to the sd card. Question&Answers:os...

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

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javascript - HTTP Ajax Request via HTTPS Page

I am having a site with some pages on HTTPS connection. From these HTTPS pages, I have to use a HTTP ... make that AJAX request to file on HTTPS connection? Question&Answers:os...

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

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Hierarchical queries in MySQL

I'm trying to find all the parents, grandparents, etc. of a particular field with any depth. For example, given the below ... | 4 | 7 | How would I do this? Question&Answers:os...

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

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rust - Does println! borrow or own the variable?

I am confused with borrowing and ownership. In the Rust documentation about reference and borrowing let mut x = 5; { ... is the same result as the first code. Question&Answers:os...

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

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python - How to add placeholder to an Entry in tkinter?

I have created a login window in tkinter which has two Entry field, first one is Username and second one is ... inside the entry box, the text should disappear. Question&Answers:os...

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

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floating point - Haskell ranges and floats

Why is the behavior of the Haskell range notation different for floats than for integers and chars? Prelude> [1, ... but this is obviously not a rounding issue. Question&Answers:os...

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

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objective c - Synthesized property and variable with underscore prefix: what does this mean?

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

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assembly - A couple of questions about [base + index*scale + disp]

The general form for memory addressing in Intel and AT&T Syntax is the following: [base + index*scale + disp] ... a register while disp is an immediate value)? Question&Answers:os...

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

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button - jqgrid EditActionIconsColumn Events

I have a jqgrid with EditActionsIconsColumn available to me in the grid but I am trying to get a hold of the click events on the Edit, Del and Submit. Thanks Question&Answers:os...

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

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javascript - React useEffect in depth / use of useEffect?

I am trying to understand the useEffect hook in-depth. I would like to know when to use which method and why? 1 ... the second parameter useEffect(()=>{},[arg]) Question&Answers:os...

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

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php - Count number of values in array with a given value

Say I have an array like this: $array = array('', '', 'other', '', 'other'); How can I count the number ... ; } In this case the number of blank elements is 3. Question&Answers:os...

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

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c# - How to ignore JsonProperty(PropertyName = "someName") when serializing json?

I have some C# code using ASP.Net MVC, which is making use of Json.Net to serialize some DTOs. In ... [JsonProperty()] attribute. Any suggestions? Thanks, Kevin Question&Answers:os...

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

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multithreading - Main Thread vs. UI Thread in Java

In many Swing snippets given here as answers, there is a call to SwingUtilities#invokeLater from the main method: public ... , to remember do it in other cases? Question&Answers:os...

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

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assembly - When and why do we sign extend and use cdq with mul/div?

I had a test todayand the only question I didn't understand involved converting a doubleword to a quad word. ... , when do we use instructions like cdq? Question&Answers:os...

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

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java - How cancel the execution of a SwingWorker?

Currently I have two SwingWorker threads doing job on background. If an exception occurs, the method stop to work, but the ... ?o //*em execu??o = in execution Question&Answers:os...

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

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android - Listview click to show image in ImageView

I follow this tutorial http://wptrafficanalyzer.in/blog/android-lazy-loading-images-and-text-in-listview-from-http- ... and show the image of flag in imageview Question&Answers:os...

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

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php - How to pass $_GET variables from a link to a bootstrapmodal?

Snippet from my HTML code. <td><span data-placement="top" data-toggle="tooltip" title="Show"><a href="#" class=" ... a proper way to pass my id into the modal? Question&Answers:os...

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

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html - What characters are allowed in DOM IDs?

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

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apache - index.php not loading by default

I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/, it says "forbidden ... works fine. Any idea how to fix that issue? Question&Answers:os...

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

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Changing date format in R

I have some very simple data in R that needs to have its date format changed: date midpoint 1 31/08/2011 0.8378 2 31/ ... /20" "0030/06/20" "0031/05/20" Thanks! Question&Answers:os...

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

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inversion of control - What is Component-Driven Development?

Component-Driven Development term is starting to get used widely, esp. in connection with Inversion of Control. What ... ? When is it appropriate and when not? Question&Answers:os...

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

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visual c++ - MSVC doesn't expand __VA_ARGS__ correctly

Consider this code: #define F(x, ...) X = x and VA_ARGS = __VA_ARGS__ #define G(...) F(__VA_ARGS__) F( ... broken down to multiple ones. Any way around this? Question&Answers:os...

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

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html - Is autocomplete="off" compatible with all modern browsers?

I've just been given a requirement to prevent browsers from saving data entered into specific form fields ... of form attributes and browser compatibility? Question&Answers:os...

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

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subquery in codeigniter active record

SELECT * FROM certs WHERE id NOT IN (SELECT id_cer FROM revokace); How do I write the above select statement in CodeIgniter active record? Question&Answers:os...

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

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java - Check chains of "get" calls for null

Let's say I'd like to perform the following command: house.getFloor(0).getWall(WEST).getDoor().getDoorknob(); To ... (0).getWall(WEST).getDoor().getDoorknob()); Question&Answers:os...

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

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