大约有 40,000 项符合查询结果(耗时:0.0653秒) [XML]

https://stackoverflow.com/ques... 

How to execute shell command in Javascript

...process'; /** * Execute simple shell command (async wrapper). * @param {String} cmd * @return {Object} { stdout: String, stderr: String } */ async function sh(cmd) { return new Promise(function (resolve, reject) { exec(cmd, (err, stdout, stderr) => { if (err) { reject(err...
https://stackoverflow.com/ques... 

Is std::vector copying the objects with a push_back?

...object class. class object { private: int m_val1; std::string m_val2; public: // Constructor for object class. object(int val1, std::string &&val2) : m_val1(val1), m_val2(std::move(val2)) { } }; std::vector<object> myList; // ...
https://stackoverflow.com/ques... 

What code analysis tools do you use for your Java projects? [closed]

...ault configuration suppresses warning generation on lines of code with the string "NOPMD" in a comment. Also, PMD supports Java's @SuppressWarnings annotation. I configure PMD to use comments containing "SuppressWarning(PMD." instead of NOPMD so that PMD suppressions look alike. I fill in the partic...
https://stackoverflow.com/ques... 

How do I redirect output to a variable in shell? [duplicate]

... on one line, but for readability... series | of | commands \ | \ ( read string; mystic_command --opt "$string" /path/to/file ) \ | \ handle_mystified_file Here is what it is doing and why it is important: Let's pretend that the series | of | commands is a very complicated series of piped comm...
https://stackoverflow.com/ques... 

How to pass an array into jQuery .data() attribute

... It's treating your variable as a string, the zeroth element of which is [. This is happening because your string is not valid JSON, which should use double-quotes as a string delimiter instead of single quotes. You'll then have to use single-quotes to deli...
https://stackoverflow.com/ques... 

Where is debug.keystore in Android Studio

... go to "signing" and select your default or any keystore you want and fill all the details. In case you are not able to fill the details, hit the green '+' button. I've highlighted in the screenshot. Step 2) VERY IMPORTANT: Goto Build Types> select your build type and select your "Signing Config...
https://stackoverflow.com/ques... 

mongoDB/mongoose: unique if not null

...the sparse option to true when defining the index. As in: email : {type: String, trim: true, index: true, unique: true, sparse: true} Or in the shell: db.users.ensureIndex({email: 1}, {unique: true, sparse: true}); Note that a unique, sparse index still does not allow multiple docs with an em...
https://stackoverflow.com/ques... 

Pass Multiple Parameters to jQuery ajax call

... Don't use string concatenation to pass parameters, just use a data hash: $.ajax({ type: 'POST', url: 'popup.aspx/GetJewellerAssets', contentType: 'application/json; charset=utf-8', data: { jewellerId: filter, locale: '...
https://stackoverflow.com/ques... 

JPA eager fetch does not join

... @JoinColumn(name="messageId") private Message message; private String governmentId; public MessageRecipientId() { } public Message getMessage() { return message; } public void setMessage(Message message) { this.message = message; } public S...
https://stackoverflow.com/ques... 

Why NSUserDefaults failed to save NSMutableDictionary in iOS?

...y object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding . ...