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php - How to set default value for form field in Symfony2?

Is there an easy way to set a default value for text form field? See Question&Answers more detail:os...

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

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391 views

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c# - Cannot implicitly convert type 'Int' to 'T'

I can call Get<int>(Stat); or Get<string>(Name); But when compiling I get: Cannot implicitly convert type 'int' ... ].ToString(); return t; } } See Question&Answers more detail:os...

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

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1.5k views

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bash - What expands to all files in current directory recursively?

I know **/*.ext expands to all files in all subdirectories matching *.ext, but what is a similar expansion ... in the current directory as well? See Question&Answers more detail:os...

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

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endianness - Does Java read integers in little endian or big endian?

I ask because I am sending a byte stream from a C process to Java. On the C side the 32 bit integer has ... , how can I convert between them? See Question&Answers more detail:os...

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

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284 views

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html - HTML5 Video // Completely Hide Controls

How Could I completely hide HTML5 video controls? <video width="300" height="200" controls="false" autoplay=" ... how is this done? Cheers. See Question&Answers more detail:os...

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

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objective c - Xcode 4 "Clean" vs. "Clean Build Folder"

You come at a certain point in the development of every app that what you see in the simulator does not ... always clean the whole folder? See Question&Answers more detail:os...

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

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javascript - How to set zoom level in google map

Here is the code I have written to add a marker to the google map by providing latitude and longitude. The ... level of zoom for this case? See Question&Answers more detail:os...

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

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190 views

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.net - What is the difference between app.config file and XYZ.settings file?

I am actually in the learning phase of .NET related stuff and I was exploring how to save the application. I ... scenario they should be used? See Question&Answers more detail:os...

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

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unique - Python: Uniqueness for list of lists

I am curious what would be an efficient way of uniquefying such data objects: testdata =[ ['9034968', 'ETH' ... only the unique values kept. See Question&Answers more detail:os...

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

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python - Checking odd/even numbers and changing outputs on number size

I have a couple of problems to solve for an assignment, and am a bit stuck. The question is to write ... either problem is greatly appreciated. See Question&Answers more detail:os...

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

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337 views

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java - Why are class static methods inherited but not interface static methods?

I understand that in Java static methods are inherited just like instance methods, with the difference that when they are ... inherit. (Why?) } See Question&Answers more detail:os...

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

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833 views

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utf 8 - PHP replacing special characters like à->a, è->e

I have php document signup.php which save the content from form (in form.php document) to MySQL base. The problem ... as you can see, is same! 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 - Why can't we initialize members inside a structure?

Why can't we initialize members inside a structure ? example: struct s { int i = 10; }; See Question&Answers more detail:os...

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

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Keeping Visual Studio Projects on a Network Drive

We just did a move from storing all files locally to a network drive. Problem is that is where my VS projects ... setup. Thanks for the 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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220 views

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ios - Calculating bearing between two CLLocationCoordinate2Ds

Very "simple" problem: given two CLLocationCoordinate2Ds, how can I get the bearing (as radians) from the first ... how math functions work? See Question&Answers more detail:os...

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

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295 views

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python - Django sort by distance

I have the following model: class Vacancy(models.Model): lat = models.FloatField('Latitude', blank=True) lng = ... GeoDjango if it is required. See Question&Answers more detail:os...

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

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166 views

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Bounce Email handling with PHP?

Here is my scenario: I have 2 email accounts: [email protected] and [email protected]. I want to send email to ... to handle the bounce email ? See Question&Answers more detail:os...

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

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155 views

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Export PDF pages to a series of images in Java

I need to export the pages of an arbitrary PDF document into a series of individual images in jpeg/png/etc format. ... or some how-to. 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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342 views

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python - Django self-referential foreign key

I'm kind of new to webapps and database stuff in general so this might be a dumb question. I want to make a ... ) How do I do this? 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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347 views

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python - CSV new-line character seen in unquoted field error

the following code worked until today when I imported from a Windows machine and got this error: new-line ... = csvobject.get_data(rows=5) See Question&Answers more detail:os...

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

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201 views

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c# - Is it possible to "await yield return DoSomethingAsync()"

Are regular iterator blocks (i.e. "yield return") incompatible with "async" and "await"? This gives a good idea ... to. Thanks for any help. See Question&Answers more detail:os...

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

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654 views

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LINQ Join with Multiple Conditions in On Clause

I'm trying to implement a query in LINQ that uses a left outer join with multiple conditions in the ON clause ... on how to do 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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226 views

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javascript - Query firestore database for document id

I want to query a firestore database for document id. Currently I have the following code: db.collection('books' ... of the document id called? See Question&Answers more detail:os...

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

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692 views

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asp.net - keyword not supported data source

I have an asp.net-mvc application with the default membership database. I am accessing it by ADO.NET Entity ... Any ideas, what's wrong? See Question&Answers more detail:os...

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

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628 views

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java - Hibernate table not mapped error in HQL query

I have a web application that use Hibernate to make CRUD operations over a database. I got an error saying that ... modify it in order to work? See Question&Answers more detail:os...

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

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267 views

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java - JUNIT testing void methods

I have a java class full of void methods, and I want to make some unit test to get maximal code coverage. ... lowering my unit test coverage %. See Question&Answers more detail:os...

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

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201 views

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A C++ implementation that detects undefined behavior?

A huge number of operations in C++ result in undefined behavior, where the spec is completely mute about ... undecidable in general. 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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271 views

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java - How to serialize only the ID of a child with Jackson

Is there a built-in way to only serialize the id of a child when using Jackson (fasterxml.jackson 2.1.1)? ... control over it if 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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