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string - Looking for a good hash table implementation in C

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

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

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python - How can I bundle other files when using cx_freeze?

I'm using Python 2.6 and cx_Freeze 4.1.2 on a Windows system. I've created the setup.py to build my executable ... this to work. Do I need a MANIFEST.in file? Question&Answers:os...

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

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iphone - How do I add a gradient to the text of a UILabel, but not the background?

hey, I want to be able to have a gradient fill on the text in a UILabel I know about CGGradient but i ... it to work http://silverity.livejournal.com/26436.html Question&Answers:os...

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

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152 views

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ios - AFNetworking and background transfers

I'm a bit confuse of how to take advantage of the new iOS 7 NSURLSession background transfers features and ... result, I can't update the newPhotoMsg. Question&Answers:os...

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

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How can I define a composite primary key in SQL?

How can I define a composite primary key consisting of two fields in SQL? I am using PHP to create tables ... QuestionID and MemberID. How should I do this? Question&Answers:os...

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

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php - Download files in laravel using Response::download

In Laravel application I'm trying to achieve a button inside view that can allow user to download file without ... pdf"; return Response::download($file); } Question&Answers:os...

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

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flash - Can someone post a well formed crossdomain.xml sample?

I've been reading that Adobe has made crossdomain.xml stricter in flash 9-10 and I'm wondering of someone can ... finding a recent sample on Adobe's site. Question&Answers:os...

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

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sql - mySQL :: insert into table, data from another table?

I was wondering if there is a way to do this purely in sql: q1 = SELECT campaign_id, from_number, ... another table (basically a processed data table)? Question&Answers:os...

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

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Python - TypeError: 'int' object is not iterable

Here's my code: import math print("Hey, lets solve Task 4 :)") number1 = input("How many digits do you ... int' object is not iterable What am I doing wrong? Question&Answers:os...

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

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Pointers in JavaScript?

Can we pass a reference of a variable that is immutable as argument in a function? Example: var x = 0; function a(x) ... ); //Here I want to have 1 instead of 0 Question&Answers:os...

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

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android - Using getResources() in non-activity class

I am trying to use getResources method in a non-activity class. How do I get the reference to the "resources" ... xpp = getResources().getXml(R.xml.samplexml); Question&Answers:os...

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

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wpf - How do I build a DataTemplate in c# code?

I am trying to build a dropdown list for a winform interop, and I am creating the dropdown in ... (sp, null); drpCreditCardNumberWpf.ItemTemplate = cardLayout; Question&Answers:os...

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

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r - Subset data to contain only columns whose names match a condition

Is there a way for me to subset data based on column names starting with a particular string? I have some columns ... it makes a cut into my final data frame. Question&Answers:os...

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

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How do you configure logging in Hibernate 4 to use SLF4J

Hibernate 3.x used slf4j for logging. Hibernate 4.x uses jboss-logging. I am writing a standalone application ... i configure it in a standalone application? Question&Answers:os...

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

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java - How can I read numeric strings in Excel cells as string (not numbers)?

I have excel file with such contents: A1: SomeString A2: 2 All fields are set to String format. When I read the ... What can I do to read the value as string? Question&Answers:os...

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

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python - How to install PyQt4 on Windows using pip?

I'm using Python 3.4 on Windows. When I run a script, it complains ImportError: No Module named 'PyQt4' So I ... 't solve the problem. What am I doing wrong? Question&Answers:os...

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

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330 views

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postgresql - Adding 'serial' to existing column in Postgres

I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which ... it had been created with 'serial' as a type? Question&Answers:os...

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

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306 views

1 answer

java - Rounding BigDecimal to *always* have two decimal places

I'm trying to round BigDecimal values up, to two decimal places. I'm using BigDecimal rounded = value. ... there another class/library better suited to this? Question&Answers:os...

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

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117 views

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Why can't a text column have a default value in MySQL?

If you try to create a TEXT column on a table, and give it a default value in MySQL, you get an error ( ... value!). Anybody know why this is not allowed? Question&Answers: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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sql - How to get the next auto-increment id in mysql

How to get the next id in mysql to insert it in the table INSERT INTO payments (date, item, method, payment_code ... ', 'paypal', CONCAT("sahf4d2fdd45", id)) Question&Answers:os...

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

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84 views

1 answer

java - How to disable spring security for particular url

I am using stateless spring security,but in case of signup i want to disable spring security.I disabled using antMatchers ... ,please help me how to do it ? Question&Answers: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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haskell - What's so bad about Lazy I/O?

I've generally heard that production code should avoid using Lazy I/O. My question is, why? Is it ever OK ... makes the alternatives (e.g. enumerators) better? Question&Answers:os...

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

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254 views

1 answer

Take screenshot of full page with Selenium Python with chromedriver

After trying out various approaches... I have stumbled upon this page to take full-page screenshot with ... page screenshot workaround...") return True Question&Answers:os...

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

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489 views

1 answer

performance - MySQL: Fastest way to count number of rows

Which way to count a number of rows should be faster in MySQL? This: SELECT COUNT(*) FROM ... ... anybody else when determining things like this internally. Question&Answers:os...

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

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279 views

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python - Can Cython compile to an EXE?

I know what Cythons purpose is. It's to write compilable C extensions in a Python-like language in order to ... most of my code into compiled form, right? Question&Answers:os...

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

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114 views

1 answer

sql - Convert timestamp to date in MySQL query

I want to convert a timestamp in MySQL to a date. I would like to format the user.registration field into the ... ;news2 How can I convert that field to date? Question&Answers:os...

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

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91 views

1 answer

ios - Setting an image for a UIButton in code

How do you set the image for a UIButton in code? I have this: UIButton *btnTwo = [UIButton buttonWithType: ... see what will set the image for it. Question&Answers:os...

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

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201 views

1 answer

html - Is type="text/css" necessary in a <link> tag?

I was wondering whether or not it is necessary to use <link rel="stylesheet" type="text/css" href=...> over < ... "> element, and is it necessary to include it? Question&Answers:os...

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

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