大约有 13,700 项符合查询结果(耗时:0.0312秒) [XML]

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Android Studio installation on Windows 7 fails, no JDK found

... Adding a system variable JDK_HOME with value c:\Program Files\Java\jdk1.7.0_21\ worked for me. The latest Java release can be downloaded here. Additionally, make sure the variable JAVA_HOME is also set with the above location. ...
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How to create a video from images with FFmpeg?

...utput framerate ffmpeg -r 1/5 -i img%03d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p out.mp4 Alternatively the format video filter can be added to the filter chain to replace -pix_fmt yuv420p like "fps=25,format=yuv420p". The advantage of this method is that you can control which filter goes...
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What is the Python equivalent of static variables inside a function?

...e at the top instead of the bottom, you can create a decorator: def static_vars(**kwargs): def decorate(func): for k in kwargs: setattr(func, k, kwargs[k]) return func return decorate Then use the code like this: @static_vars(counter=0) def foo(): foo.coun...
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Which is faster : if (bool) or if(int)?

... Does this also apply to 64-bit processes, that __int64 is faster than int? Or CPU deals 32-bit integer with 32-bit instruction sets separately? – Crend King Apr 27 '11 at 21:22 ...
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How do you use version control with Access development?

...Source\" End If sStubADPFilename = sExportpath & myName & "_stub." & myType WScript.Echo "copy stub to " & sStubADPFilename & "..." On Error Resume Next fso.CreateFolder(sExportpath) On Error Goto 0 fso.CopyFile sADPFilename, sStubADPFilename ...
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Extending an Object in Javascript

...new instantiation (read why you shouldn't use new), no super, no self-made __construct. You simply create Objects and then extend or morph them. This pattern also offers immutability (partial or full), and getters/setters. TypeScript The TypeScript equivalent looks the same: interface Person { ...
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Best way to select random rows PostgreSQL

...ery: SELECT count(*) AS ct -- optional , min(id) AS min_id , max(id) AS max_id , max(id) - min(id) AS id_span FROM big; The only possibly expensive part is the count(*) (for huge tables). Given above specifications, you don't need it. An estimate will do just fine,...
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Matplotlib: “Unknown projection '3d'” error

...e you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__") I'm guessing you're running version 0.99, in which case you'll need to either use a slightly different syntax or update to a more recent version of matplotlib. If you're running version 0.99, try doing this in...
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How can I print the contents of a hash in Perl?

... Easy: print "$_ $h{$_}\n" for (keys %h); Elegant, but actually 30% slower (!): while (my ($k,$v)=each %h){print "$k $v\n"} share | im...
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Get Android .apk file VersionName or VersionCode WITHOUT installing apk

...apt.exe is found in a build-tools sub-folder of SDK. For example: <sdk_path>/build-tools/23.0.2/aapt.exe share | improve this answer | follow | ...