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Can I have an IF block in DOS batch file?
In a DOS batch file we can only have 1 line if statement body? I think I found somewhere that I could use () for an if block just like the {} used in C-like programming languages, but it is not executing the statements when I try this. No error message either. This my code:
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Gradients in Internet Explorer 9
Does anyone know the vendor prefix for gradients within IE9 or are we still supposed to still be using their proprietry filters?
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Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Make Bootstrap Popover Appear/Disappear on Hover instead of Click
I'm building a website with Bootstrap's Popover and I can't figure out how to make the popover appear on hover instead of click.
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
I have a contacts table which contains fields such as postcode , first name , last name , town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way becaus...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
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setting y-axis limit in matplotlib
I need help with setting the limits of y-axis on matplotlib. Here is the code that I tried, unsuccessfully.
9 Answers
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ld cannot find an existing library
... specified libraries. The specific example here is ImageMagick, but I am having similar problems with a few other libraries too.
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LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试通常需要监控的指标包括:1.服务器Linux(包括CPU、Memory、Load、I O)。2.数据库:1.Mysql 2.Oracle(缓存命中、索引、...监控指标
性能测试通常需要监控的指标包括:
1.服务器Linux(包括CPU、Memory、Load、I/O)。
2.数据库:1.Mysql 2...
What does [object Object] mean?
I am trying to alert a returned value from a function and I get this in the alert:
9 Answers
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