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java - How are NaN and Infinity of a float or double stored in memory?

As I understand it java will store a float in memory as a 32 bit integer with the following properties: The first bit ... are-nan-and-infinity-of-a-float-or-double-stored-in-memory...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Prevent DialogFragment from dismissing when button is clicked

I have a DialogFragment with a custom view which contains two text fields where the user is to input ... /13746412/prevent-dialogfragment-from-dismissing-when-button-is-clicked...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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remove git submodule but keep files

I have a git submodule that I would like to become part of my main project (since I have a lot of ... ://stackoverflow.com/questions/26752481/remove-git-submodule-but-keep-files...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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data structures - Explanation of runtimes of BFS and DFS

Why are the running times of BFS and DFS O(V+E), especially when there is a node that has a directed ... /stackoverflow.com/questions/6850357/explanation-of-runtimes-of-bfs-and-dfs...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - MQTT vs. XMPP Which Should I Choose?

(Closed). This question is opinion-based. It is not currently accepting answers. question from:https://stackoverflow.com/questions/7129821/mqtt-vs-xmpp-which-should-i-choose...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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data structures - Explanation of runtimes of BFS and DFS

Why are the running times of BFS and DFS O(V+E), especially when there is a node that has a directed ... /stackoverflow.com/questions/6850357/explanation-of-runtimes-of-bfs-and-dfs...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Callbacks When an NSScrollView is Scrolled?

I'm making a Mac app which needs to know when the user is scrolling the NSScrollView, however, I ... /stackoverflow.com/questions/5169355/callbacks-when-an-nsscrollview-is-scrolled...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How does the "Remember my password" checkbox work?

There are numerous login forms with the little check box "Remember my password" so that the next time you ... /questions/4538226/how-does-the-remember-my-password-checkbox-work...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Revert IntelliJ IDEA font to pre-2020.1 default font

I upgraded to IntelliJ 2020.1, which uses the new JetBrains Mono font by default. However, I would like to switch ... /61154795/revert-intellij-idea-font-to-pre-2020-1-default-font...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - RxJava2 observable take throws UndeliverableException

As I understand RxJava2 values.take(1) creates another Observable that contains only one element ... .com/questions/43525052/rxjava2-observable-take-throws-undeliverableexception...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Difference between Transfer objects and Domain objects

Could you please explain the difference between Transfer objects and Domain objects in simple terms ? And ... /6732124/difference-between-transfer-objects-and-domain-objects...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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formatting - What are the valid Style Format Strings for a Reporting Services [SSRS] Expression?

I am trying to figure out the style string for the Format(Expression as Object, Style as String) function in ... -valid-style-format-strings-for-a-reporting-services-ssrs-expressi...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Flutter Error: RangeError (index): Invalid value: Not in range 0..2, inclusive: 3

I am using a long list in flutter. All the items are rendering fine but also following error : RangeError (index ... error-rangeerror-index-invalid-value-not-in-range-0-2-inclusive...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dart - Which channel do I use in Flutter SDK?

There was an announcement of Preview 1 at " Announcing Flutter Release Preview 1 - Flutter - Medium" Download the ... com/questions/51586259/which-channel-do-i-use-in-flutter-sdk...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - itunesconnect App - Revert to previous version

I released an update for my App and it was approved. It was approve despite the fact that it ... /stackoverflow.com/questions/21899714/itunesconnect-app-revert-to-previous-version...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Does it help GC to null local variables in Java

I was 'forced' to add myLocalVar = null; statement into finally clause just before leaving method. Reason is to help GC ... /473685/does-it-help-gc-to-null-local-variables-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - print long string in xcode 6 debugging console

I am getting only 1022 characters of my String to display in the debugging console of Xcode6. The actual ... /questions/31402092/print-long-string-in-xcode-6-debugging-console...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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how to pass a variable through the require() or include() function of php?

when I use this: require("diggstyle_code.php?page=$page_no"); the warning is :failed to open stream: No error in ... -pass-a-variable-through-the-require-or-include-function-of-php...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Could not load file or assembly System.Net.Http version 4.1.1.0

I'm porting a Net Framework 4 dll to Net Core. When porting my unit tests project I get an exception running some ... -load-file-or-assembly-system-net-http-version-4-1-1-0...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to get real screen height and width?

DisplayMetrics metrics = new DisplayMetrics(); this.getWindowManager().getDefaultDisplay().getMetrics(metrics); screenWidth = ... 14341041/how-to-get-real-screen-height-and-width...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to check device compatibility for finger print authentication in android

I am working with finger print authentication using android 6.0 api. My requirement is, if current device ... -check-device-compatibility-for-finger-print-authentication-in-android...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Split pandas dataframe in two if it has more than 10 rows

I have a huge CSV with many tables with many rows. I would like to simply split each dataframe into 2 if it contains ... /split-pandas-dataframe-in-two-if-it-has-more-than-10-rows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Get index of current element in C++ range-based for-loop

My code is as follows: std::cin >> str; for ( char c : str ) if ( c == 'b' ) vector.push_back(i) ... .com/questions/15149354/get-index-of-current-element-in-c-range-based-for-loop...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Byte to Binary String C# - Display all 8 digits

I want to display one byte in textbox. Now I'm using: Convert.ToString(MyVeryOwnByte, 2); But when byte is ... questions/4829366/byte-to-binary-string-c-sharp-display-all-8-digits...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Keep div at the bottom of another div - css

? 1965 - 2010 I want the #copyright to be at the bottom of #outer Here is the css for #copyright #copyright{ ... com/questions/3201500/keep-div-at-the-bottom-of-another-div-css...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Getting Current YouTube Video Time

I am writing a Browser Plugin and need to find a way to get the current time a YouTube Video playing ... ://stackoverflow.com/questions/6970013/getting-current-youtube-video-time...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Adding an HTTP Header to the request in a servlet filter

I'm integrating with an existing servlet that pulls some properties out of the HTTP header. Basically, I'm implementing ... adding-an-http-header-to-the-request-in-a-servlet-filter...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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git log - How to make git log decorate by default

I frequently type git log when what I actually want is git log --decorate. How do I make it decorate by ... .com/questions/21607305/how-to-make-git-log-decorate-by-default...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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