大约有 40,000 项符合查询结果（耗时：0.0455秒） [XML]
Sharing a result queue among several processes
...illenderskill
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Android Studio installation on Windows 7 fails, no JDK found
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I had to go into system32 and rename java.exe to java.exe.old before it would see my JAVA_HOME path
– AndyD273
May 16 '13 at 14:40
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Rails: confused about syntax for passing locals to partials
...:partial => 'foo', :locals => {blah blah blah}) then it will pass in all of your arguments as a hash and parse them accordingly.
If you pass in a string as your first argument, it assumes the first argument is your partial name, and will pass the remainder as your locals. However, in that s...
How to check type of variable in Java?
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Java is a statically typed language, so the compiler does most of this checking for you. Once you declare a variable to be a certain type, the compiler will ensure that it is only ever assigned values of that type (or values that are sub-ty...
Get value from SimpleXMLElement Object
... i can't believe this is so complicated. why would they make a class called "getName" but not "getValue"? why would they print empty string if you printed it instead of converted it manually to (string). WHY??
– user151496
Oct 17 '16 at 12:31
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How can I alter a primary key constraint using SQL syntax?
...y constraint name, use query found here to look it up (or look up and drop all at once). http://stackoverflow.com/a/13948609/945875
– Justin
Dec 19 '13 at 20:06
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How do I check if there are duplicates in a flat list?
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Use set() to remove duplicates if all values are hashable:
>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True
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Resetting generator object in Python
I have a generator object returned by multiple yield. Preparation to call this generator is rather time-consuming operation. That is why I want to reuse the generator several times.
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How to create a backup of a single table in a postgres database?
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What if you want all the tables, without having to specify each's name?
– shekeine
Jul 17 '15 at 13:13
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What are the big improvements between guava and apache equivalent libraries?
... me attempt to explain why.
Guava is more "modern"
Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was open sourced in 2007, targets Java 5, and thus Guava greatly benefits from the Java 5 features: generics, varargs, enums, and autoboxing....