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What causes javac to issue the “uses unchecked or unsafe operations” warning
...switch, it will give you more detailed information.
As well as the use of raw types (as described by the other answers), an unchecked cast can also cause the warning.
Once you've compiled with -Xlint, you should be able to rework your code to avoid the warning. This is not always possible, partic...
TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
...共享连接
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.aix拓展文件：
de.ullisroboterseite.ursai2tcpclient.aix
de.ullisroboterseite.ursai2sharedtcpclient.aix
.aia示例文件：
UrsTcpClientTest.aia
UrsSharedTcpClientTest.aia
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Copy Notepad++ text with formatting?
...ipboard] and set it to CTRL+SHIFT+C --> Instant joy. CTRL+C to copy the raw text, CTRL+SHIFT+C to copy with formatting. This should be default.
– Dennis G
Nov 8 '12 at 8:39
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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If you used a raw socket (SOCK_RAW) and re-implemented TCP in userland, I think the answer is limited in this case only by the number of (local address, source port, destination address, destination port) tuples (~2^64 per local address).
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Determine if two rectangles overlap each other?
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What is the correct MIME type to use for an RSS feed?
Is one MIME type preferable to ensure compatibility with RSS readers and other scrapers?
7 Answers
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
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The ng-attr-id method is to ensure that the raw ng expression is never rendered in a valid HTML attribute (e.g. id, label, etc). This is to stop any downstream usage reading ng 'junk' (e.g. before render is complete, or after a js crash)
– Overfle...
How does grep run so fast?
...actually looks at (and it skips many
bytes entirely).
GNU grep uses raw Unix input system calls and avoids copying data
after reading it. Moreover, GNU grep AVOIDS BREAKING THE INPUT INTO
LINES. Looking for newlines would slow grep down by a factor of
several times, because to find th...
Convert audio files to mp3 using ffmpeg
... input streams this option only makes sense for audio grabbing devices and raw demuxers and is mapped to the corresponding demuxer options.
-ac - Set the number of audio channels. For output streams it is set by default to the number of input audio channels. For input streams this option only ma...