大约有 43,000 项符合查询结果(耗时:0.0557秒) [XML]

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Alternative to google finance api [closed]

...ery Language)** For example: http://developer.yahoo.com/yql/console/?q=select%20*%20from%20yahoo.finance .quotes%20where%20symbol%20in%20(%22YHOO%22%2C%22AAPL%22%2C%22GOOG%22%2C%22 MSFT%22)%0A%09%09&env=http%3A%2F%2Fdatatables.org%2Falltables.env 2. Use the webservice For example, to get ...
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie

... If the computer is restarted and "Reopen windows when logging back in" is selected, the reopened windows may not see the variables (Perhaps they are opened before the agent is run). Also, if you log in via ssh, the variables will not be set (so you'll need to set them in ~/.bash_profile). Finally, ...
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How do I replace NA values with zeros in an R dataframe?

... mutate(myCol1 = if_else(is.na(myCol1), 0, myCol1)) Note: This works per selected column, if we need to do this for all column, see @reidjax's answer using mutate_each. share | improve this answer...
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Spring @Transactional - isolation, propagation

...ion. I think if you understand the dirty reads concept you will be able to select a good option. Example of when a dirty read can occur: thread 1 thread 2 | | write(x) | | | | read(x) | | rollback | v v...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

...ata Gateway is used mainly for a single table or view. It contains all the selects, inserts, updates, and deletes. So Customer is a table or a view in your case. So, one instance of a table data gateway object handles all the rows in the table. Usually this is related to one object per database tabl...
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Why not inherit from List?

...is the collective name given to a group of players ... Such teams could be selected to play in a match against an opposing team, to represent a football club ...". So it is my opinion that a team is a list of players (or perhaps more accurately a collection of players). – Ben ...
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In which case do you use the JPA @JoinTable annotation?

... UPDATE There aren't duplicates entries in my database, the hibernate is selecting with the left outer join and I dont know why.. – MaikoID Dec 12 '12 at 20:49 2 ...
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Git - How to use .netrc file on Windows to save user and password

...in the control panel. Depending on the version of Windows, you may need to select "Advanced Options".). The password stored in the _netrc file cannot contain spaces (quoting the password will not work). share | ...
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Fluid width with equally spaced DIVs

...g .box1, .box2, .box3, .box4 { ... to #container > div { ... This selects any div that is the first child of the #container div, and no others below it. To generalize the background colors, you can use the CSS3 nth-order selector, although it's only supported in IE9+ and other modern browse...
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How do you specify the Java compiler version in a pom.xml file?

... Which way is "best"? This one is less verbose compared to the selected answer, but it seems sort of hidden. Even the Maven site documentation shows using the plugin. – mkobit Oct 15 '15 at 16:34 ...