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How to use NSJSONSerialization
..."id": "2", "name":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers error: &e];
if (!jsonArray) {
NSLog(@"Error parsing JSON: %@", e);
} else {
for...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...谓。一定要是innodb引擎的。CREATE TABLE `weibo_qq0`( `weiboid` bigint(20)) ENGINE=InnoDB DEFAULT CHARSET=utf8;
c、关闭mysql， service mysqld stop；
d、用需要恢复的frm文件覆盖刚新建的frm文件；
e、修改my.ini 里 innodb_force_recovery=1 ， 如果不成修改为 2,...
What does “Changes not staged for commit” mean
...made since the last commit. For example, let's say you have file a, file b and file c. You modify file a and file b but the changes are very different in nature and you don't want all of them to be in one single commit. You issue
git add a
git commit a -m "bugfix, in a"
git add b
git commit b -m "n...
Upload file to FTP using C#
...
The existing answers are valid, but why re-invent the wheel and bother with lower level WebRequest types while WebClient already implements FTP uploading neatly:
using (var client = new WebClient())
{
client.Credentials = new NetworkCredential(ftpUsername, ftpPassword);
clien...
How to replace a set of tokens in a Java String?
...efficient way would be using a matcher to continually find the expressions and replace them, then append the text to a string builder:
Pattern pattern = Pattern.compile("\\[(.+?)\\]");
Matcher matcher = pattern.matcher(text);
HashMap<String,String> replacements = new HashMap<String,String&...
MYSQL Truncated incorrect DOUBLE value
...
You don't need the AND keyword. Here's the correct syntax of the UPDATE statement:
UPDATE
shop_category
SET
name = 'Secolul XVI - XVIII',
name_eng = '16th to 18th centuries'
WHERE
category_id = 4768
...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
MongoDB与内存MongoDB-And-MemoryMongoDB 内存但凡初次接触MongoDB的人，无不惊讶于它对内存的贪得无厌，至于个中缘由，我先讲讲Linux是如何管理内存的，再说说MongoDB是如何使用内存的...但凡初次接触MongoDB的人，无不惊讶于它对内存的...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
MongoDB与内存MongoDB-And-MemoryMongoDB 内存但凡初次接触MongoDB的人，无不惊讶于它对内存的贪得无厌，至于个中缘由，我先讲讲Linux是如何管理内存的，再说说MongoDB是如何使用内存的...但凡初次接触MongoDB的人，无不惊讶于它对内存的...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
MongoDB与内存MongoDB-And-MemoryMongoDB 内存但凡初次接触MongoDB的人，无不惊讶于它对内存的贪得无厌，至于个中缘由，我先讲讲Linux是如何管理内存的，再说说MongoDB是如何使用内存的...但凡初次接触MongoDB的人，无不惊讶于它对内存的...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
MongoDB与内存MongoDB-And-MemoryMongoDB 内存但凡初次接触MongoDB的人，无不惊讶于它对内存的贪得无厌，至于个中缘由，我先讲讲Linux是如何管理内存的，再说说MongoDB是如何使用内存的...但凡初次接触MongoDB的人，无不惊讶于它对内存的...