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Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
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MongoDB not equal to
...hor : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f6...
Join between tables in two different databases?
...ust need to prefix the table reference with the name of the database it resides in.
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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，选择属性，接着会弹出这样一个对话框：
上面那个ID项就是该菜单项对应的ID号了，添加菜单项单击消息处理函数时会用到，而标明项里的内容就是菜单项要显示的文本了。
这里还得注意一下“弹出”这个选项，勾上这个...
Getting attribute using XPath
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Thanks! This solved a similar problem I had with a data attribute inside a Div.
<div id="prop_sample" data-want="data I want">data I do not want</div>
Use this xpath: //*[@id="prop_sample"]/@data-want
Hope this helps someone else!
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Convert a list of objects to an array of one of the object's properties
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fantastic solution. I wanted to access the String "id" in my Object-List. Worked perfect List<String> somestringlist = myobjectlist.Select(x => x.id).ToList();
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How to have an automatic timestamp in SQLite?
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Just declare a default value for a field:
CREATE TABLE MyTable(
ID INTEGER PRIMARY KEY,
Name TEXT,
Other STUFF,
Timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
);
However, if your INSERT command explicitly sets this field to NULL, it will be set to NULL.
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Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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MYSQL Dump only certain rows
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Just fix your --where option. It should be a valid SQL WHERE clause, like:
--where="date_pulled='2011-05-23'"
You have the column name outside of the quotes.
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What's the best manner of implementing a social activity stream? [closed]
...stem and I took this approach:
Database table with the following columns: id, userId, type, data, time.
userId is the user who generated the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a serialized object with meta-data for the ...