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How do I clone a generic List in Java?
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You should avoid using raw types in anything but legacy code. You're better off using ArrayList<String> newArrayList = (ArrayList<String>) oldArrayList.clone();.
– cdmckay
Mar 1 '09 at 3:34
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How do I concatenate two text files in PowerShell?
...t also works for binaries with the correct parameters: Get-Content my.bin -Raw | Set-Content my.bin -NoNewline will not alter my.bin except the timestamps. -Raw preserves any CR/LF bytes, while -NoNewline prevents PowerShell from adding its own CR/LF bytes.
– Thomas
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Create two blank lines in Markdown
...o me these tags sort of ruin my document if I want it to also look good as raw text.
– Kyle Delaney
Oct 25 '17 at 14:43
add a comment
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Mail multipart/alternative vs multipart/mixed
...n', 'attachment', filename=filename)
message.attach(msg)
return {'raw': base64.urlsafe_b64encode(message.as_string())}
Here is the full code for sending an email containing html/text/attachment:
import httplib2
import os
import oauth2client
from oauth2client import client, tools
import b...
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...
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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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...
Difference between single quotes and double quotes in Javascript [duplicate]
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Only if you're writing RAW JSON. If you're writing a Javascript object, {key: 'value'} works exactly the same as {"key": "value"} and is a lot quicker to type.
– Orwellophile
Jun 16 '15 at 12:21
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