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MySQL Conditional Insert
...nsert, try:
INSERT INTO x_table(instance, user, item)
SELECT 919191, 123, 456
FROM dual
WHERE NOT EXISTS (SELECT * FROM x_table
WHERE user = 123
AND item = 456)
In this, dual is a table with one row only (found orig...
How to include *.so library in Android Studio?
... 64bit
│ └── yourlib.so
├── armeabi-v7a/ <-- ARM 32bit
│ └── yourlib.so
└── x86/ <-- Intel 32bit
└── yourlib.so
Deprecated solution
Add both code ...
Android - styling seek bar
...t">#f4511e</item>
<item name="android:progressTint">#388e3c</item>
<item name="android:colorControlActivated">#c51162</item>
</style>
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improv...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...fafc 000d1b90 000d1c30 164b267e 00000000
0021fb0c 00000000 7efde000 00da7a64 00000000
0021fb1c 00000000 00220000 00000000 0021fb04
0021fb2c 00000069 0021fb84 01341087 175eb66e
0021fb3c 00000000 0021fb48 013418cf 0021fb54
0021fb4c 75113677 7efde000 0021fb94 77539d42
0021fb5c 7efde000 76a...
Difference between matches() and find() in Java Regex
...
Pattern p = Pattern.compile("\\d\\d\\d");
Matcher m = p.matcher("a123b");
System.out.println(m.find());
System.out.println(m.matches());
p = Pattern.compile("^\\d\\d\\d$");
m = p.matcher("123");
System.out.println(m.find());
System.out.println(m.matches());
}
/* ou...
Merge (with squash) all changes from another branch as a single commit
...s well take a look at evernote.com/shard/s52/sh/7f8f4ff1-9a68-413f-9225-c49e3ee2fafd/…
– Ilya Sheershoff
Aug 13 '19 at 13:20
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...ary: 9225 this_crc: 4f43a2 this_cnt: 7336 master_crc: 9235f7a2 master_cnt: 7379 ts: 2015-06-16 17:00:31
一共有8条记录，这8张表数据不一致。 大概能看出来缺少了多少数据等。
修复不一致数据
修复不一致数据使用pt-table-sync ...
How to check whether a string is a valid HTTP URL?
...Http;
Or, if you want to accept both HTTP and HTTPS URLs as valid (per J0e3gan's comment):
Uri uriResult;
bool result = Uri.TryCreate(uriName, UriKind.Absolute, out uriResult)
&& (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps);
...
AngularJS $resource RESTful example
...create a todo
var todo1 = new Todo();
todo1.foo = 'bar';
todo1.something = 123;
todo1.$save();
//get and update a todo
var todo2 = Todo.get({id: 123});
todo2.foo += '!';
todo2.$save();
//which is basically the same as...
Todo.get({id: 123}, function(todo) {
todo.foo += '!';
todo.$save();
});...