大约有 47,000 项符合查询结果（耗时：0.0678秒） [XML]
View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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How to check if an object is nullable?
...pe if boxed, but you can with generics:
- so how about below. This is actually testing type T, but using the obj parameter purely for generic type inference (to make it easy to call) - it would work almost identically without the obj param, though.
static bool IsNullable<T>(T obj)
{
if (...
How to permanently export a variable in Linux?
...an add it to your shell configuration file, e.g. $HOME/.bashrc or more globally in /etc/environment.
After adding these lines the changes won't reflect instantly in GUI based system's you have to exit the terminal or create a new one and in server logout the session and login to reflect these change...
How do I import global modules in Node? I get “Error: Cannot find module ”?
I am trying to setup Node on Mac OSX Lion. It all seems to work ok, but I can't seem to import anything modules from my global modules folder. I get the error,
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How do you clear Apache Maven's cache?
...ntly, Apache Maven seems to be having caching issues. Performing clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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How to build a Debian/Ubuntu package from source?
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you can use the special package "checkinstall" for all packages which are not even in debian/ubuntu yet.
You can use "uupdate" (apt-get install devscripts) to build a package from source with existing debian sources:
Example for libdrm2:
apt-get build-dep libdrm2
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CFBundleVersion in the Info.plist Upload Error
... version number inside your app, the user will see the CFBundleVersion (usually, depends how you code it), rather than the iTunes version (which - I think - cannot be accessed from inside your app)
share
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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...orm. The second form, using a pair of backquotes (the "`" character, also called a backtick and a grave accent), is the historical way of doing it. The first form, using dollar sign and parentheses, is a newer POSIX form, which means it's probably a more standard way of doing it. In turn, I'd think ...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
... the same as a MySQL "database". Having many databases on a PostgreSQL installation can get problematic; having many schemas will work with no trouble. So you definitely want to go with one database and multiple schemas within that database.
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What vim plugins are available for Eclipse? [closed]
...ave marks. It provides the core functionality of Vim text editing. If I recall correctly you can even have a simple vimrc configuration file. You can do a free trial to test it out.
Vrapper
Apparently Vrapper has macros and marks, as well as the following commands:
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