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php - Do I really need to do mysql_close()

Do I really need to do mysql_close()? Why or why not? Is there a trigger that closes the link after mysql_connect ... if I don't do mysql_close? See Question&Answers more detail:os...

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

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787 views

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Youtube player support fragment no longer working on Android studio 3.2 (androidx)

I just updated my Android Studio to version 3.2 and followed instructions to use androidx. I've been using ... "androidx.fragment.app.Fragment"? See Question&Answers more detail:os...

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

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445 views

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c# - sizeof() equivalent for reference types?

I'm looking for a way to get the size of an instance of a reference type. sizeof is only for value types. Is this possible? See Question&Answers more detail:os...

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

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550 views

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jquery - Limit number of characters in input field

I want to use jquery to limit the number of characters in an editable div (or form input). See Question&Answers more detail:os...

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

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php - How to obtain a nested HTML list from object's array recordset?

I have this array of objects returned by a SQL query where top_id is my parent ID field: Array ( [0] => stdClass ... /li> </ul> Any idea? Thanks See Question&Answers more detail:os...

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

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jsf - c:forEach inside primefaces(e.g. p:panelgrid) inside ui:repeat

I have to dinamically produce a list of tables. Each of these have a variable number of columns (with fixed ... ,this is a different question) See Question&Answers more detail:os...

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

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ios - Using Map in Swift to Change Custom Struct Properties

I have the following struct defined. struct Person { var firstName :String var lastName :String var active :Bool } ... = false return p1 } See Question&Answers more detail:os...

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

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java - ASM Get exact value from stack frame

I have some method, which contains instrustion like ILOAD, and I want in some way to get value of stack ... anything useful. Thanks in advance. See Question&Answers more detail:os...

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

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r - Scraping with rvest - complete with NAs when tag is not present

I want to parse this HTML: and get this elements from it: a) p tag, with class: "normal_encontrado". b) div ... (".price") %>% html_text() See Question&Answers more detail:os...

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

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java - Cassandra - Is there a way to limit number of async queries?

I would like to know if there is way to limit the number of queries executed simultaneously by the ... to NoHostAvailableException. Thanks you. See Question&Answers more detail:os...

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

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289 views

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mapreduce - Specify minimum number of generated files from Hive insert

I am using Hive on AWS EMR to insert the results of a query into a Hive table partitioned by date. Although ... the maximum size of each file? See Question&Answers more detail:os...

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

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macos - Get other process' argv in OS X using C

I want to get other process' argv like ps. I'm using Mac OS X 10.4.11 running on Intel or PowerPC. First, I ... There is no more way to do it? See Question&Answers more detail:os...

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

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java - Date range in date range

Actually this task seemed very easy to me, but i got a little bit stuck and would be thankful for some ... .without proposing joda times ^^) See Question&Answers more detail:os...

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

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545 views

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x86 - int 13h 42h doesn't load anything in Bochs

I changed my bootloader from CHS to LBA, so I replaced int 13h 02h with int 13h 42h. It works ... display_library: x, options="gui_debug" See Question&Answers more detail:os...

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

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multithreading - Cross-Thread operation not valid VB.NET

I looked around the site and the questions I found relating to this subject were for C# (the application that I am ... I do to fix this problem? See Question&Answers more detail:os...

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

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401 views

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ios - Why can't I force landscape orientation when use UINavigationController?

I find many question to force UIViewController to landscape as default: How to force a UIViewController to ... = self.viewController; See Question&Answers more detail:os...

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

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753 views

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winforms - How to Draw on Zoomable Image in C# windows Forms

so am implementing a project that can read image pan it, zoom it and do other stuff.. everything was going ... has been driving me crazy. See Question&Answers more detail:os...

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

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java - how can I add PAdES-LTV using iText

I am trying to enable LTV in an already signed PDF document without LTV format. I have found the same example in all ... itext: 5.5.11 java: 8 See Question&Answers more detail:os...

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

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416 views

1 answer

PHP curly braces in array notation

I'd just come across a very weird bit of php code: $oink{'pig'} = 1; var_dump($oink); $oink{'pig'} = ... mentioned in the manual. What is this? See Question&Answers more detail:os...

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

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c# - Can I use Linq's Except() with a lambda expression comparer?

I know I can call linq's Except and specify a custom IEqualityComparer, but implementing a new Comparer class for ... , is there an alternative? See Question&Answers more detail:os...

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

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163 views

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python - Full command line as it was typed

I want to get the full command line as it was typed. This: " ".join(sys.argv[:]) doesn't work here ( ... that was parsed and split. Any ideas? See Question&Answers more detail:os...

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

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455 views

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.net - Why c# decimals can't be initialized without the M suffix?

public class MyClass { public const Decimal CONSTANT = 0.50; // ERROR CS0664 } produces this error: error CS0664: ... . It seems weird to me. See Question&Answers more detail:os...

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

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366 views

1 answer

c preprocessor - Changing a macro at runtime in C

I have a macro defined. But I need to change this value at run time depending on a condition. How can I implement this? See Question&Answers more detail:os...

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

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392 views

1 answer

javascript - What happens if i reject / resolve multiple times in Kriskowal's q?

I'm studying the promises pattern and using kriskowal's q for node.js, having this snippet: var deferred ... call reject/resolve multiple times? See Question&Answers more detail:os...

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

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868 views

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Django Template - Increment the value of a variable

I have the following code in my template {% set counter = 0 %} {% for object in object_list %} {% if ... tag that would do the same task? See Question&Answers more detail:os...

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

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449 views

1 answer

java - How do I implement TypeAdapterFactory in Gson?

How do I implement type TypeAdapterFactory in Gson? The main method of create is generic. Why? The registration ... -of-domain type argument? See Question&Answers more detail:os...

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

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1.1k views

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c# - The provider for the source IQueryable doesn't implement IAsyncQueryProvider

I have some codes like below, I want to write unit tests my method. But I'm stuck in async methods. Can ... , however it couldn't be compiled. See Question&Answers more detail:os...

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

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447 views

1 answer

tree - Angularjs: ng-options group by

I have this one level tree situation: <select ng-model="tipost" ng-options="tip.DESC group by tip.TIPIS for ... ] - CHILDNAME1 [ GroupName2 ] See Question&Answers more detail:os...

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

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