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At some point in my application I have done this exit(0) which crashes my app. But I haven't figured out what ... what method is called when exit(0) is done? Question&Answers:os...

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

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this operator in javascript

Suppose I have JavaScript code like myClass = function(){ function doSomething(){ alert(this); // this1 } } alert( ... those two 'this' objects are refer for?? Question&Answers:os...

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

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javascript - Passing regex modifier options to RegExp object

I am trying to create something similar to this: var regexp_loc = /e/i; except I want the regexp to ... some other string, case insensitive. regards, alexander Question&Answers:os...

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

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vba - Programmatic Access To Visual Basic Project Is Not Trusted

I have two scheduled tasks on my computer. They both open Excel files and run a macro & are pretty similar in ... ) I have never come across this error before. Question&Answers:os...

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

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gradle - Android Studio: “Execution failed for task ':app:mergeDebugResources'” if project is created on drive C:

I added Google Play services as a dependency in my current project. If I save the project on the C: drive, ... What causes this? How can I fix/circumvent this? Question&Answers:os...

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

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rsa - C++ handling very large integers

I am using the RSA Algorithm for encryption/decryption, and in order to decrypt the files you have to deal ... above in order to resolve the linking errors? Question&Answers:os...

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

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c++ - using namespace std; in a header file

So, I have the following in a specification file #include <string> #include <fstream> using namespace ... reasoning and practical implementation of namespaces. Question&Answers:os...

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

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How to exclude getter only properties from type in typescript

Getters in the class are readonly properties so throwing type error from following code make sense. class Car ... and exclude all getters? example in playground Question&Answers:os...

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

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security - Handling Java crypto exceptions

This, pretty basic, piece of code is quite common when handling encryption / ... , InvalidKeyException, BadPaddingException, IllegalBlockSizeException Question&Answers:os...

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

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c - When to use earlyclobber constraint in extended GCC inline assembly?

I understand when to use a cobbler list (e.g. listing a register which is modified in the assembly so that it doesn ... thus know not to use it for the input. Question&Answers:os...

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

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java - Change text field data color (Foreground color) based on condition in JasperReports

I'm new to JasperReports. I'm designing a report using iReport. I have three values x,y,z. If z ... to develop desktop app. and iReport to design JasperReport. Question&Answers:os...

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

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ios4 - iPhone application – reading SMS

I need to develop an iPhone application which needs to read the incoming SMS received by the user, ... SMS received within our application development? Thanks! Question&Answers:os...

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

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How to detect a TCP socket disconnection (with C Berkeley socket)

I am using a loop to read message out from a c Berkeley socket but I am not able to detect when the socket is ... newsockfd,buffer,255); printf("%s ",buffer); } Question&Answers:os...

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

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php - Fatal error: Call to undefined function mb_detect_encoding()

I receive this error after trying to set up LAMP by following this tutorial, and I find myself receiving the ... MySQL and mb_string are enabled as shown below: Question&Answers:os...

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

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c# - How to Deserialize JSON data?

I am new to working with JSON data. I am reading data from a web service. The query data sent back ... column names and subsequent rows provide data values. Question&Answers:os...

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

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javascript - How to check "checkbox" dynamically - jQuery Mobile

With HTML a checkbox is created like this: <form> <input type="checkbox" id="category1">Category1<br> </form> ... it doesn't seem to work for this checkbox. Question&Answers:os...

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

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298 views

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assembly - Set all bits in CPU register to 1 efficiently

To clear all bits you often see an exclusive or as in XOR eax, eax. Is there such a trick for the ... is to invert the zeroes with an extra instruction. Question&Answers:os...

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

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259 views

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assembly - Legacy BIOS bootloader to bootstrap real-mode code in second stage

I am working on writing my own operating system. So far, my code exceeds 512 bytes, which is too large ... I go about building such a reusable bootloader? Question&Answers:os...

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

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251 views

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c++ - Floating point equality and tolerances

Comparing two floating point number by something like a_float == b_float is looking for trouble since a_float / 3. ... in C or C++ cases specifically. Question&Answers:os...

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

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Java Swing: How can I implement a login screen before showing a JFrame?

I'm trying to make a little game that will first show the player a simple login screen where they can ... is being displayed? Especially given my newbie skills? Question&Answers:os...

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

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187 views

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c# - How can a Windows Service start a process when a Timer event is raised?

I have created a Windows Service with Timer and in firing event of timer.Elapsed I am creating a process ( ... StartInfo.CreateNoWindow = false; pr.Start(); } Question&Answers:os...

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

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sql server - Create Trigger to log SQL that affected table?

I'm trying to find out what is updating the value of a column and i have very little knowledge of the ... updated? Details: MS SQL Server 2008 Thanks!! Question&Answers:os...

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

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200 views

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iphone - returns a date an hour in the future

I'm getting the current date/time using [NSDate date]. The value returned is an hour in the future. I've check ... ! init] returning date an hour in the past? Question&Answers:os...

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

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178 views

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Can an HTML element have the same attribute twice?

I'm considering writing code which produces an HTML tag that could have duplicate attributes, like this: <div ... I about to do something really stupid here? Question&Answers:os...

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

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Register with Facebook sometimes doesn't provide email

I'm using Register with Facebook as one of the ways to log in to my web app, and expressly ask for the "email ... just doesn't exist - is this a common problem? Question&Answers:os...

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

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275 views

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Calling superclass from a subclass constructor in Java

I am trying to create a constructor that takes a field as a parameter, then puts it in a field that is ... the accessor method that returns it to the field? Question&Answers:os...

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

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105 views

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java - dragging a jlabel around the screen

So I am trying to click and drag a JLabel around a JFrame. The following code allows a JLabel ... ); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } } Question&Answers:os...

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

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194 views

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jquery - Javascript Contenteditable - set Cursor / Caret to index

How would I go a about modifying this(How to set caret(cursor) position in contenteditable element (div)?) so it ... selection } } http://jsfiddle.net/BanQU/4/ Question&Answers:os...

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

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