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playframework 2.0 - Play Framework 2.0 and Ebean SQL logging

I want to examine what SQL statements are generated by Ebean to find out why certain exceptions (related to SQL ... even with log level TRACE). See Question&Answers more detail:os...

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

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633 views

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reflection - How to get type of the module in F#

How to get 'System.Type' of the module? For example module: module Foo = let bar = 1 And this does not work: ... : The type 'Foo' is not defined See Question&Answers more detail:os...

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

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537 views

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python - How does unicodedata.normalize(form, unistr) work?

On the API doc, http://docs.python.org/2/library/unicodedata.html#unicodedata.normalize. It says Return the ... values with some examples? See Question&Answers more detail:os...

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

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642 views

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c++ - sprintf for unsigned _int64

I am having following code. output of second %d in sprintf is always shown as zero. I think i am specifying wrong ... XML file size = 0 bytes 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 - get raw decimal value from mysqldb query

I am executing a mysql query in python using the MySQLdb package. The code looks something like this: c=db.cursor() ... do I do that? 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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How do I disable the ssl check in python 3.x?

I'm using urllib.request.urlretrieve to download a file to local. urllib.request.urlretrieve(url_string,file_name) It ... going to the url". 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 - Adding counters deletes keys

See below, why does the implementation of += blow away a key in my original counter? >>> c = Counter({'a': 0, ... Is a Counter a dict or a bag? See Question&Answers more detail:os...

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

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.net - Getting EOF exception over https call

My code making https request. This is my code HttpWebRequest request = (HttpWebRequest)WebRequest.Create(UploadUrl); ... cause of this issue? See Question&Answers more detail:os...

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

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asp.net - IFrame: This content cannot be displayed in a frame

I have two internal sites. I'm trying to show one's content in the iframe of the other site. However I'm ... be displayed in the frame? 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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mobile - Does the Android Emulator support OpenGL ES 2.0?

This article http://cobworks.ca/2010/04/19/why-android-market-has-no-games/ suggests that it does not, but ... might have changed since April. See Question&Answers more detail:os...

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

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google chrome - CORS issue doesn't occur when using POSTMAN

I have been using POSTMAN for sometime now for sending HTTP requests like GET, POST, PUT for RESTful Webservices ... an answer in detail. See Question&Answers more detail:os...

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

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639 views

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.net - How to use inline modifiers in C# regex?

How do I use the inline modifiers instead of RegexOptions.Option? For example: Regex MyRegex = new Regex(@"[ ... com/en-us/library/yd1hzczs.aspx See Question&Answers more detail:os...

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

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mysql - How to transform vertical data into horizontal data with SQL?

I have a table "Item" with a number of related items, like so: ID Rel_ID Name RelRank --- ------ ---- ... column, which does appear in my data] See Question&Answers more detail:os...

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

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569 views

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c# - How to get nullable DateTime out of the database

My SQL Server database contains nullable DateTime values. How can I convert them to a nullable DateTime object ... DateTime?) sqldatareader[0]; See Question&Answers more detail:os...

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

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538 views

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c++ - How do you tell pyximport to use the cython --cplus option?

pyximport is super handy but I can't figure out how to get it to engage the C++ language options for ... the equivalent with pyximport? 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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898 views

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wpf - Accessing the ScrollViewer of a ListBox from C#

I'd like to change the properties of a ScrollViewer of a ListBox from C#. I found this question here on ... to that darn ScrollViewer? :-) See Question&Answers more detail:os...

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

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460 views

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python - How to find the mountpoint a file resides on?

For example, I've got a file with the following path: /media/my_mountpoint/path/to/file.txt I've got the ... (Both are not a requirement.) See Question&Answers more detail:os...

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

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785 views

1 answer

internet explorer - Modal not opening in IE

I'm trying to make modals pop up with info about certain places on a map. Here is the code: <area href=" ... data-toggle isn't supported in IE. See Question&Answers more detail:os...

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

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503 views

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r - Plotting during a loop in RStudio

I am implementing a solution to the Traveling Salesman Problem (TSP) in R (simulated Annealing) and I want ... , consider this question solved. See Question&Answers more detail:os...

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

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501 views

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How to cancel queued job in Laravel or Redis

How can I browse all the pending jobs within my Redis queue so that I could cancel the Mailable that ... comprehensive answer I provided below. 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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dart - How to open DropdownButton when other widget is tapped, in Flutter?

I need to have a DropdownButton's list of options open/show programmatically when some other widget is tapped. I ... a further away button etc. See Question&Answers more detail:os...

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

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691 views

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python - Matplotlib: rotating a patch

I wanted to rotate a Rectangle in matplotlib but when I apply the transformation, the rectangle doesn't show anymore: ... do I make a mistake? See Question&Answers more detail:os...

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

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376 views

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python - How can the built-in range function take a single argument or three?

How can the range function take either: a single argument, range(stop), or range(start, stop), or range( ... to write range in pure CPython. See Question&Answers more detail:os...

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

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564 views

1 answer

jquery - how to get value of selected item in autocomplete

i have here a code from http://jqueryui.com/autocomplete/ it works really good but i cant find a way to get the ... </div> </body> </html> See Question&Answers more detail:os...

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

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553 views

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java - OffsetDateTime.now() requires API 26

I need to use method setStartTimestamp(OffsetDateTime startTimestamp) but my minSdk is 21 so it shows me Call ... OffsetDateTime on lower apis? See Question&Answers more detail:os...

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

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887 views

1 answer

R * not meaningful for factors ERROR

I have the following data.frame and I want to perform some calculations on the 2nd column. > test code ... does that happen? Any suggestions? See Question&Answers more detail:os...

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

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398 views

1 answer

'||=' operator in Ruby

Could some one explain to me the meaning of the following Ruby code? (I saw this code snippet in one guy's ... (I suppose car is nil initially) See Question&Answers more detail:os...

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

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314 views

1 answer

Rails segmentation fault when starting server?

Trying to get my rails 3 environment up and running and I keep encountering an error I can't get around. Any help would be ... ---------------- See Question&Answers more detail:os...

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

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