大约有 31,100 项符合查询结果(耗时:0.0510秒) [XML]

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Start two instances of IntelliJ IDE

Well my question is pretty simple, how do I start two instances of IntelliJ (community edition). When I have one instance started and I try to start another one, all that happens is that my started instance gets focus. ...
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Semicolon before self-invoking function? [duplicate]

...ry interesting. I created a fiddle for what @Josh said so I could see for myself what happens: http://jsfiddle.net/LK63x/. – bittersweetryan Sep 9 '11 at 17:28 ...
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Editing legend (text) labels in ggplot

... in the documentation and on StackOverflow, but no solution seems to solve my problem. When using ggplot I can't get the right text in the legend, even though it's in my dataframe. I have tried scale_colour_manual , scale_fill_manual with different values for labels= such as c("T999", "T888...
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What is the fastest way to create a checksum for large files in C#

...uffer for disk IO. To speed things up (2 minutes for hashing 2 Gb file on my machine with SHA256, 1 minute for MD5) wrap FileStream in BufferedStream and set reasonably-sized buffer size (I tried with ~1 Mb buffer): // Not sure if BufferedStream should be wrapped in using block using(var stream = ...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

...ol redefinition error), so I don't believe the generated code is tuned for my microarchitecture. There may be a way to do this slightly faster with SSE. I have no idea how, but with fast replication, packed bitwise AND, and swizzling instructions, there's got to be something there. I know only enou...
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How to make junior programmers write tests? [closed]

... For myself, I have started insisting that every bug I find and fix be expressed as a test: "Hmmm, that's not right..." Find possible problem Write a test, show that the code fails Fix the problem Show that the new code passes L...
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android.view.InflateException: Binary XML file: Error inflating class fragment

...ses Android AppCompat to make it compatible with older versions. Here is my main activity layout file: 36 Answers ...
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Try-catch speeding up my code?

...rsion is still slower than the "catch" version. EDIT: Okay, I've tried it myself - and I'm seeing the same result. Very odd. I wondered whether the try/catch was disabling some bad inlining, but using [MethodImpl(MethodImplOptions.NoInlining)] instead didn't help... Basically you'll need to look a...
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Determine on iPhone if user has enabled push notifications

...e user has, via settings, enabled or disabled their push notifications for my application. 19 Answers ...
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Does the APNS device token ever change, once created?

...tter-like app, with notifications enabled, what would happen when I update my app from iTunes? Should I have the expectation that it will continue to be sent notifications even though I have not run the applications since I "sync" the update onto me device? The act of changing the application cann...