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How to unescape a Java string literal in Java?

I'm processing some Java source code using Java. I'm extracting the string literals and feeding them ... string literals in decompiled obfuscated Java files. Question&Answers:os...

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

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How to use the TextWatcher class in Android?

Can anyone tell me how to mask the substring in EditText or how to change EditText substring input to password ... I can use the TextWatcher method in Android. Question&Answers:os...

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

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164 views

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java - Selenium - Basic Authentication via url

In my Selenium-Test (with chromedriver-2.24) I'm trying to access my webpage via basic authentication with ... Auth headers in Selenium Webdriver using Java ? Question&Answers:os...

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

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ios - performSelector may cause a leak because its selector is unknown

I'm getting the following warning by the ARC compiler: "performSelector may cause a leak because its selector is ... that I don't get this warning anymore? Question&Answers:os...

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

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javascript - How can I determine if a variable is 'undefined' or 'null'?

How do I determine if variable is undefined or null? My code is as follows: var EmpName = $("div#esd- ... I do this, the JavaScript interpreter halts execution. Question&Answers:os...

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

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How do pointer-to-pointer's work in C? (and when might you use them?)

How do pointers-to-pointers work in C? When might you use them? Question&Answers:os...

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

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xml namespaces - What does "xmlns" in XML mean?

I saw the following line in an XML file: xmlns:android="http://schemas.android.com/apk/res/android" I have also ... files that I've come across. What is it? Question&Answers:os...

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

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.net - In C#, should I use string.Empty or String.Empty or "" to intitialize a string?

In C#, I want to initialize a string value with an empty string. How should I do this? What is the right way, ... String.Empty; or string willi = ""; or what? Question&Answers:os...

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

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sockets - Getting the IP address of the current machine using Java

I am trying to develop a system where there are different nodes that are run on different system or on different ports on the ... 1.2 192.168.56.1 117.204.44.19 Question&Answers:os...

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

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How to split a string into a list of characters in Python?

I've tried to look around the web for answers to splitting a string into a list of characters but I can't ... there a simple way of doing this without looping? Question&Answers:os...

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

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281 views

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memory - java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android

I developed an application that uses lots of images on Android. The app runs once, fills the information on the screen ... used in the layout in a special way? Question&Answers:os...

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

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Detect Click into Iframe using JavaScript

I understand that it is not possible to tell what the user is doing inside an iframe if it is cross domain. ... have no control over the tags that are used. Question&Answers:os...

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

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How do you check that a number is NaN in JavaScript?

I've only been trying it in Firefox's JavaScript console, but neither of the following statements return true: ... ; parseFloat('geoff') == Number.NaN; Question&Answers:os...

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

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70 views

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How to get a form input array into a PHP array

I have a form like the one below which is posted to contacts.php, and the user can dynamically add more with ... name is name3 and email is email3, thank you Question&Answers:os...

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

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java - Overloaded method selection based on the parameter's real type

I'm experimenting with this code: interface Callee { public void foo(Object o); public void foo(String s); public void ... ), foo("foobar") and foo(Object o)? 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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sql - How to convert comma separated values to rows in oracle?

Here is the DDL -- create table tbl1 ( id number, value varchar2(50) ); insert into tbl1 values (1, 'AA, UT, BT, ... SK 3 SX 3 ZF How do we write SQL for this? 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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Undoing a git rebase

Does anybody know how to easily undo a git rebase? The only way that comes to mind is to go at it manually: ... a bunch of commits were replayed. Not only one. Question&Answers:os...

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

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298 views

1 answer

How to import CSV file data into a PostgreSQL table?

How can I write a stored procedure that imports data from a CSV file and populates the table? Question&Answers:os...

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

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191 views

1 answer

Change the URL in the browser without loading the new page using JavaScript

How would I have a JavaScript action that may have some effects on the current page but would also change the ... trying to record JavaScript state in the URL. Question&Answers:os...

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

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265 views

1 answer

html - How to make an image center (vertically & horizontally) inside a bigger div

This question already has answers here: Question&Answers:os...

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

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148 views

1 answer

Capturing multiple line output into a Bash variable

I've got a script 'myscript' that outputs the following: abc def ghi in another script, I call: declare RESULT=$(./ ... so I can output it with 'echo -e'? Question&Answers:os...

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

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1.4k views

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authentication - Google OAuth 2 authorization - Error: redirect_uri_mismatch

On the website https://code.google.com/apis/console I have registered my application, set up generated Client ID: ... it? I use the gem omniauth-google-oauth2. Question&Answers:os...

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

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183 views

1 answer

java - How do I get a platform-dependent new line character?

How do I get a platform-dependent newline in Java? I can’t use " " everywhere. Question&Answers:os...

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

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193 views

1 answer

c# - Remove duplicates in the list using linq

I have a class Items with properties (Id, Name, Code, Price). The List of Items is populated with duplicated ... remove the duplicates in the list using linq? Question&Answers:os...

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

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297 views

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javascript - event.preventDefault() function not working in IE

Following is my JavaScript (mootools) code: $('orderNowForm').addEvent('submit', function (event) { event. ... I found out using Firebug). Any Help? Question&Answers:os...

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

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246 views

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Are JavaScript strings immutable? Do I need a "string builder" in JavaScript?

Does javascript use immutable or mutable strings? Do I need a "string builder"? Question&Answers:os...

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

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327 views

1 answer

shell - Why do you need ./ (dot-slash) before executable or script name to run it in bash?

When running scripts in bash, I have to write ./ in the beginning: $ ./manage.py syncdb If I don't, I get an ... /bin user:/usr/bin$ git (which runs without ./) Question&Answers:os...

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

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84 views

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android - How to store image in SQLite database

In my application I am uploading an image from gallery and I want to store this image in the SQLite database. How do I ... imv; ImageView imvd, imvf; } } } } } Question&Answers:os...

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

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