原创 Django轉儲單個模型的數據? - Django dump data for a single model?

問題: Can I perform a dumpdata in Django on just a single model, rather than the whole app, and if so, how?我可以僅在單個模型上而不是整

原创 如何檢查字符串中的字符是否爲字母? (Python) - How can I check if character in a string is a letter? (Python)

問題: I know about islower and isupper , but can you check whether or not that character is a letter?我知道islower和isupper ,

原创 每個動作的Rails佈局? - Rails layouts per action?

問題: I use a different layout for some actions (mostly for the new action in most of the controllers). 我對某些操作使用不同的佈局(主要

原创 通俗易懂的最終一致性 - Eventual consistency in plain English

問題: I often hear about eventual consistency in different speeches about NoSQL, data grids etc. It seems that definition

原创 如何在Python中將double轉換爲字符串? - How do I convert a double into a string in C++?

問題: I need to store a double as a string. 我需要將double存儲爲字符串。 I know I can use printf if I wanted to display it, but I j

原创 C++11 中的線程池 - Thread pooling in C++11

問題: Relevant questions :相關問題: About C++11:關於 C++11: C++11: std::thread pooled? C++11:標準::線程池? Will async(launch::as

原创 使用 .gitignore 忽略除特定目錄之外的所有內容 - Using .gitignore to ignore everything but specific directories

問題: My issue is that I have a bunch of WordPress websites in my git repo, of which I want to selectively commit only th

原创 Java 向上舍入任意數字 - Java Round up Any Number

問題: I can't seem to find the answer I'm looking for regarding a simple question: how do I round up any number to the ne

原创 使負數爲正 - Make a negative number positive

問題: I have a Java method in which I'm summing a set of numbers.我有一個Java方法,其中對一組數字求和。 However, I want any negatives numb

原创 如何在批處理文件中轉義&符號? - How do I escape ampersands in batch files?

問題: How do I escape ampersands in a batch file (or from the Windows command line) in order to use the start command to

原创 如何在SQL Server中一次更改多個列 - How to ALTER multiple columns at once in SQL Server

問題: I need to ALTER the data types of several columns in a table.我需要ALTER表中幾列的數據類型。 For a single column, the following

原创 如何製作/獲取多尺寸.ico文件? [關閉] - How to make/get a multi size .ico file? [closed]

問題: I simply want to have an .ico file that has multiple sizes of the icon image contained within it. 我只想擁有一個.ico文件,其中

原创 如何播放Android通知聲音 - How to play an android notification sound

問題: I was wondering how I could play a notification sound without playing it over the media stream. 我想知道如何在不通過媒體流播放通知聲

原创 如何中止/取消 TPL 任務? - How do I abort/cancel TPL Tasks?

問題: In a thread, I create some System.Threading.Task and start each task.在一個線程中,我創建了一些System.Threading.Task並啓動每個任務。 Wh

原创 序列化包含循環對象值的對象 - Serializing object that contains cyclic object value

問題: I have an object (parse tree) that contains child nodes which are references to other nodes.我有一個對象(解析樹),其中包含對其他節點的引