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XPath: How to select elements based on their value?
...expected results.
text() is relative path that return a node-set contains all the text node of current node(context node), like ［"Data"］.
When it is evaluated by string(["Data"]), it will return the first node of node-set, so you get "Data" only when there is only one text node in the node-set...
What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
...RACTER VARYING is the official type name from the ANSI SQL standard, which all compliant databases are required to support. VARCHAR is a shorter alias which all modern databases also support. I prefer VARCHAR because it's shorter and because the longer name feels pedantic. However, postgres tools li...
jquery variable syntax [duplicate]
... 2;
alert($ + $$);
jQuery just assigns it's core function to a variable called $. The code you have assigns this to a local variable called self and the results of calling jQuery with this as an argument to a global variable called $self.
It's ugly, dirty, confusing, but $, self and $self are all...
Naming cookies - best practices [closed]
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@Emanuil: To distinguish it from all the other cookies generated by other apps on the same domain.
– Ignacio Vazquez-Abrams
Sep 19 '12 at 20:50
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How to initialize array to 0 in C?
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Global variables and static variables are automatically initialized to zero. If you have simply
char ZEROARRAY[1024];
at global scope it will be all zeros at runtime. But actually there is a shorthand syntax if you had a local array. If an array is partially initialized, e...
Maven “Module” vs “Project” (Eclipse, m2eclipse plugin)
...ne point of view a little, so now I was trying to use it in Eclipse; I installed the m2eclipse plugin to do so.
2 Answers
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How to set default vim colorscheme
...grade of Ubuntu made my vim colorscheme unusable. I know how to set it manually ( :colo evening , for example), but I want to set the default for all vim sessions. I see reference in other places to .vimrc , but the right location and syntax have eluded me thus far.
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Xcode 'Build and Archive' menu item disabled
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All you need to do is create an Executable File in your project folder... If you start with a fresh project there are NO executable projects, only what you create, be it a .cpp or a .m you need an executable in the folder.
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Meaning of ffmpeg output (tbc, tbn, tbr) [closed]
I am using ffmpeg to tell me video info. Specifically:
1 Answer
1
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bash string equality [duplicate]
...le, I assume). See here, for example.
You could double-check just to be really sure or just for your interest by looking at the bash source code, should be somewhere in the parsing code there, but I couldn't find it straightaway.
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