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properties - When and how to use the builtin function property() in python

It appears to me that except for a little syntactic sugar, property() does nothing good. Sure, it's nice to ... it to patch problematic code doesn't count ;-) Question&Answers:os...

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

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Return positions of a regex match() in Javascript?

Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript? Question&Answers:os...

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

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How to wait in a batch script?

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

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list - PHP Get all subdirectories of a given directory

How can I get all sub-directories of a given directory without files, .(current directory) or ..(parent directory) and then use each directory in a function? Question&Answers:os...

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

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session - PHP: Storing 'objects' inside the $_SESSION

I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I ... maybe elaborate on that aspect a bit more! Question&Answers:os...

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

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compression - How do I ZIP a file in C#, using no 3rd-party APIs?

I'm pretty sure this is not a duplicate so bear with me for just a minute. How can I programatically (C# ... request. Any ideas on how to accomplish this? Question&Answers:os...

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

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android - Storing R.drawable IDs in XML array

I would like to store drawable resources' ID in the form of R.drawable.* inside an array using an XML values ... my activity. Any ideas of how to achieve this? Question&Answers:os...

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

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html - Fixed Table Cell Width

A lot of people still use tables to layout controls, data etc. - one example of this is the popular jqGrid. ... 20px, the cell expands! Any ideas or insights? Question&Answers:os...

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

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linux - Retaining file permissions with Git

I want to version control my web server as described in Version control for my web server, by creating a git repo ... way to approach what I'm trying to do? Question&Answers:os...

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

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c++ - Do I need to manually close an ifstream?

Do I need to manually call close() when I use a std::ifstream? For example, in the code: std::string ... Shouldn't ifstream make use of RAII for closing files? Question&Answers:os...

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

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authentication - PHP login system: Remember Me (persistent cookie)

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

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java - When overriding a method, why can I increase access but not decrease it?

Why does Java specify that the access specifier for an overriding method can allow more, but not less, access than ... public, but not private, in the subclass. Question&Answers:os...

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

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python - How do I exchange keys with values in a dictionary?

I receive a dictionary as input, and would like to to return a dictionary whose keys will be the input's values ... 'two' Any neat Pythonic way to achieve this? Question&Answers:os...

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

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r - data.frame rows to a list

I have a data.frame which I would like to convert to a list by rows, meaning each row would correspond to its own list elements ... xy.list[[i]] <- xy.df[i,] } Question&Answers:os...

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

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c# - Equivalent to 'app.config' for a library (DLL)

Is there an equivalent to app.config for libraries (DLLs)? If not, what is the easiest way to store ... the library might be used in different applications. Question&Answers:os...

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

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javascript - Textarea to resize based on content length

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

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c# - XML serialization of interface property

I would like to XML serialize an object that has (among other) a property of type IModelObject (which is ... seems like an ugly workaround. Any suggestions? Question&Answers:os...

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

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328 views

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python - Matplotlib - label each bin

I'm currently using Matplotlib to create a histogram: import matplotlib matplotlib.use('Agg') import ... that possible with Matplotlib? Cheers, Victor Question&Answers:os...

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

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463 views

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c# - Generic TryParse

I am trying to create a generic extension that uses 'TryParse' to check if a string is a given type: public static ... return true; } catch { return false; } } Question&Answers:os...

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

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javascript - How to measure a time spent on a page?

I would like to measure a time (in seconds in integers or minutes in floats) a user spends on a page. I ... how to get a time they have already spent there? Question&Answers:os...

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

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218 views

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ios - Do something every x minutes in Swift

How can I run a function every minute? In JavaScript I can do something like setInterval, does something similar exist ... output: Hello World once a minute... Question&Answers:os...

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

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87 views

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How do I use an existing MongoDB in a Meteor project?

Let's say there is a running MongoDB server for a GUI client (by wxPython) for a while. How could I ... my new Meteor project to my already existing MongoDB? 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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python - pip installing in global site-packages instead of virtualenv

Using pip3 to install a package in a virtualenv causes the package to be installed in the global site-packages ... hints, would be very much appreciated. Question&Answers:os...

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

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522 views

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jquery - resize font to fit in a div (on one line)

There have been similar questions asked, but the solutions do mesh with what I'm trying to do. Basically, I ... one (overflow wouldn't work in this situation). Question&Answers:os...

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

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python - Returning the product of a list

Is there a more concise, efficient or simply pythonic way to do the following? def product(lst): p = 1 for i in ... ) ('for loop (no 0):', 11.04065990447998) Question&Answers:os...

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

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r - Transpose a data frame

I need to transpose a large data frame and so I used: df.aree <- t(df.aree) df.aree <- as.data.frame(df.aree ... the row names(GS..) in a factor column.... Question&Answers:os...

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

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108 views

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java - Polymorphism with gson

I have a problem deserializing a json string with Gson. I receive an array of commands. The command can be ... the declared type and never the runtime type. Question&Answers:os...

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

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855 views

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encoding - PHP output showing little black diamonds with a question mark

I'm writing a php program that pulls from a database source. Some of the varchars have quotes that are displaying ... I use php to strip these characters out? Question&Answers:os...

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

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