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%windir%Microsoft.NETassembly is the new GAC. Does it mean now we have to manage two GACs, one for .NET 2.0-3. ... .NET 4.0 applications? The question is, why? Question&Answers:os...

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

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r - Better explanation of when to use Imports/Depends

The "Writing R Extensions" manual provides the following guidance on when to use Imports or Depends: The general ... make it a lot easier to understand. Question&Answers:os...

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

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How can I see the request headers made by curl when sending a request to the server?

I want to see the request headers made by curl when I am sending a request to the server. How can I check that? Question&Answers:os...

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

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java - Initial size for the ArrayList

You can set the initial size for an ArrayList by doing ArrayList<Integer> arr=new ArrayList<Integer>(10); However, you ... ) so I am not adding to index 10. Question&Answers:os...

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

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php - String comparison using '==' vs. 'strcmp()'

It seems that PHP's === operator is case sensitive. So is there a reason to use strcmp()? Is it safe to do ... following? if ($password === $password2) { ... } Question&Answers:os...

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

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php - Remove excess whitespace from within a string

I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before ... way to remove the inner whitespace characters? Question&Answers:os...

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

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exception handling - Valid use of goto for error management in C?

This question is actually a result of an interesting discussion at programming.reddit.com a while ago. It basically ... or less efficient code, but avoid goto? Question&Answers:os...

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

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jsf 2 - Session timeout and ViewExpiredException handling on JSF/PrimeFaces ajax request

I find this article to be useful for non-ajax request How to handle session expiration and ViewExpiredException ... in the link above? JSF2/Primefaces/Glassfish Question&Answers:os...

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

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MSISDN : Is it a SIM Card Data? Why all The Provided Function (from Blackberry and Android) to fetch MSISDN not reliable?

I have several question about MSISDNs. I understand: MSISDN is the basically the phone number It is not IMSI What i ... the device itself or from the SIM Card? Question&Answers:os...

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

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java - String Constant Pool

As explained in these Stackoverflow questions: question 1 & question 2 I understand that "String literals" are ... skipped when the new operator is used? Question&Answers:os...

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java - Load a resource contained in a jar

In my application I load resources in this manner: WinProcessor.class.getResource("repository").toString(); and ... ("javax.net.ssl.trustStore", fileNameString) Question&Answers:os...

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

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c# - What is the Maximum Size that an Array can hold?

In C# 2008, what is the Maximum Size that an Array can hold? Question&Answers:os...

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Why does this Java method appear to have two return types?

public <E extends Foo> List<E> getResult(String s); where Foo is my own class. What is the return type of this ... ? Why does it seem to have two return types? Question&Answers:os...

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

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c++ - No matching function - ifstream open()

This is the part of the code with an error: std::vector<int> loadNumbersFromFile(std::string name) { std::vector< ... works in VS. Why am I getting this error? Question&Answers:os...

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

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ruby on rails - How to avoid NoMethodError for missing elements in nested hashes, without repeated nil checks?

I'm looking for a good way to avoid checking for nil at each level in deeply nested hashes. For example: name = ... very ugly code. Any way to get around this? Question&Answers:os...

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

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c# - update datagridview very frequently

I'm having trouble refreshing my DataGridView in a reasonable time in C# (which I am new to ... dataGrid.FirstDisplayedScrollingRowIndex = currentRow; } } } Question&Answers:os...

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

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gpgpu - CUDA limit seems to be reached, but what limit is that?

I have a CUDA program that seems to be hitting some sort of limit of some resource, but I can't figure out what ... 880M CUDA Version: 1.2 OS: Windows 7 64-bit Question&Answers:os...

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

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Unable to completely parse XML in PowerShell

I have an XML file that I would like to parse through, and retrieve back specific information. To make ... need the individual information in each item folder. Question&Answers:os...

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

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javascript - Why is my infinite loop blocking when it is in an async function?

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

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python - How to convert the background color of image to match the color of Pygame window?

What I need to do is match the color of the image background with the color of Pygame windows. But the ... on ship while alieninvasion.py is the main file. Question&Answers:os...

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.net - PhantomJS web driver stays in memory

I am instantiating the PhantomJSDriver in C# with this code: Driver = new PhantomJSDriver(); And cleaning it up ... can I kill it programmatically? Should I? Question&Answers:os...

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

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Echo newline in Bash prints literal

In Bash, tried this: echo -e "Hello, World!" But it doesn't print a newline, only . How can I make it print the newline? I'm using Ubuntu?11.04 (Natty Narwhal). Question&Answers:os...

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

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javascript - What is the difference between state and props in React?

I was watching a Pluralsight course on React and the instructor stated that props should not be changed. ... setup in the React component via getInitialState? Question&Answers:os...

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

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java - How to detect a loop in a linked list?

Say you have a linked list structure in Java. It's made up of Nodes: class Node { Node next; // some user ... picture of what a list with a loop looks like: Question&Answers:os...

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

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Pointers in C: when to use the ampersand and the asterisk?

I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * ... all of this. When should I use & and *? Question&Answers:os...

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

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bitbucket - Clone private git repo with dockerfile

I have copied this code from what seems to be various working dockerfiles around, here is mine: FROM ubuntu ... ssh/ssh_config This sadly also doesn't work. Question&Answers:os...

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

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c# - Does using "new" on a struct allocate it on the heap or stack?

When you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an ... allocated, on the heap or on the stack ? Question&Answers:os...

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

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mysql - How to find all tables that have foreign keys that reference particular table.column and have values for those foreign keys?

I have a table whose primary key is referenced in several other tables as a foreign key. For example: CREATE ... tables actually have values in the foreign key Question&Answers:os...

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

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