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ios - Undefined symbols for architecture armv7
    This problem has been driving me crazy, and I can't work out how to fix it... Undefined symbols for architecture ... and it's not helping, anyone got any ideas? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Wait until page is loaded with Selenium WebDriver for Python
    I want to scrape all the data of a page implemented by a infinite scroll. The following python code works. ... finished loading. This is more time efficient. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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How can I check which XSLT processor is being used in Solr?
    How can I verify which XSLT processor is being used in Solr? I want to change the XSLT version from 1.0 to 2.0. I am using Solr 4.0. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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node.js - change directory command cd ..not working in batch file after npm install
    I have the following command in one bat file. echo STEP12 cd HDC git config --global url."https://". ... the parent folder.Am I making some syntax errors? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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web applications - Cross-Domain Cookies
    I have two webapps WebApp1 and WebApp2 in two different domains. I am setting a cookie in WebApp1 in the ... Note: I am trying this with J2EE webapps Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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objective c - How do I set up NSZombieEnabled in Xcode 4?
    How do I set up NSZombieEnabled and CFZombieLevel for my executable in Xcode 4? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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game physics - Is it possible to make realistic n-body solar system simulation in matter of size and mass?
    Important note: this question has utterly no relation to "PhysX", which is a computer-game-physics system ( ... almost started every paragraph with "So" ^^ Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python 3.x - How can I reconnect to the browser opened by webdriver with selenium?
    For some unknown reasons ,my browser open test pages of my remote server very slowly. So I am thinking if I ... whether the question can be solved or not. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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performance - Efficiency of Java "Double Brace Initialization"?
    In Hidden Features of Java the top answer mentions Double Brace Initialization, with a very enticing syntax: ... a look at Google Collections' ImmutableSet. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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exception - Causes of getting a java.lang.VerifyError
    I'm investigating the following java.lang.VerifyError java.lang.VerifyError: (class: be/post/ehr/wfm/application/ ... ideas where to look would be helpful. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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pointers - returning a local variable from function in C
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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - Conditional Replace Pandas
    I have a DataFrame, and I want to replace the values in a particular column that exceed a value with zero. ... the channel as part of the original DataFrame. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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How do I turn a C# object into a JSON string in .NET?
    I have classes like these: class MyDate { int year, month, day; } class Lad { string firstName; ... options besides manually creating a JSON string writer? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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What is null in Java?
    What is null? Is null an instance of anything? What set does null belong to? How is it represented in the memory? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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java - Floating point arithmetic not producing exact results
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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Sending and Parsing JSON Objects in Android
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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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function - How to define method in javascript on Array.prototype and Object.prototype so that it doesn't appear in for in loop
    I want to define helper methods on the Array.prototype and Object.prototype. My current plan is to do something like: Array ... won't show up in a for in loop? Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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javascript - jQuery Set Cursor Position in Text Area
    How do you set the cursor position in a text field using jQuery? I've got a text field with content, and I want the ... , pos); range.select(); } } }(jQuery); Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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parsing - How to parse a string to an int in C++?
    What's the C++ way of parsing a string (given as char *) into an int? Robust and clear error handling is a plus (instead of returning zero). Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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oop - What does 'super' do in Python? - difference between super().__init__() and explicit superclass __init__()
    What's the difference between: class Child(SomeBaseClass): def __init__(self): super(Child, self).__init__() and: ... of using it in this kind of situation. Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - Why does concatenation of DataFrames get exponentially slower?
    I have a function which processes a DataFrame, largely to process data into buckets create a binary matrix of ... ! Open to any other suggestions in Python! Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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How to detect idle time in JavaScript
    Is it possible to detect "idle" time in JavaScript? My primary use case probably would be to pre-fetch or ... period of user inactivity or without any CPU usage Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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javascript - Remove element by id
    When removing an element with standard JavaScript, you must go to its parent first: var element = document. ... there a reason JavaScript works like this? Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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timing - How do I time a method's execution in Java?
    How do I get a method's execution time? Is there a Timer utility class for things like timing how long a task ... threads and tasks, which is not what I want. Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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bash - Pass commands as input to another command (su, ssh, sh, etc)
    I have a script where I need to start a command, then pass some additional commands as commands to that ... to become a canonical for this particular pattern. Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
    This should be dead simple, but I cannot get it to work for the life of me. I'm just trying to connect ... no idea how to proceed. Any ideas are welcome. Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Does Python have an ordered set?
    Python has an ordered dictionary. What about an ordered set? Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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apk - Install Application programmatically on Android
    I'm interested in knowing if it is possible to programmatically install a dynamically downloaded apk from a custom Android application. Question&Answers:os...
asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)
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