大约有 258 项符合查询结果（耗时：0.0192秒） [XML]
How can I clear or empty a StringBuilder? [duplicate]
...irly long strings, and thus I am starting with a pretty large buffer size (4k or 32k). So, it sounds like it might be quicker to setLength(0). BUT - if the space allocated by StringBuffer never shrinks, I could run out of memory (this is under Android where memory can get tight).
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How can one pull the (private) data of one's own Android app?
...archive can be converted to tar format using:
dd if=myAndroidBackup.ab bs=4K iflag=skip_bytes skip=24 | openssl zlib -d > myAndroidBackup.tar
Reference:
http://nelenkov.blogspot.ca/2012/06/unpacking-android-backups.html
Search for "Update" at that link.
Alternatively, use Android backup e...
How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic
...ame thing. Maybe include in the above answer.
– Floyd4K
Oct 1 '19 at 16:15
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马化腾给创业者的3点建议：行业跨界领域最有机会诞生创新 - 资讯 - 清泛网 ...
...不久我们组合的一个财团，收购了芬兰的最大的一间手机游戏公司，用86亿收购了其80%的股份，也就是估值超过了100亿美元，这是一个仅仅180人的公司。这个在过去是不可能的事情，大家要知道芬兰才500多万人，比香港还少，为...
How to convert image to byte array
...he cause though. I have a feeling it might have had something to do with a 4K byte boundary in memory allocation. But that could easily be wrong. I switched to using a MemoryStream with a BinaryFormatter and I was able to become very consistent as tested with over 250 different test images of vary...
android studio 0.4.2: Gradle project sync failed error
...or ex: C:/Users/high_hopes/.gradle/wrapper/dists/gradle-2.1-all/27drb4udbjf4k88eh2ffdc0n55/gradle-2.1.1
then choose service directory path C:/Users/high_hopes/.gradle
Apply all changes
Open File-> invalidate caches/ restart ...
Select Just Restart
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Open an IO stream from a local file or url
... note that open-uri will not stream a file, so you can't read a first 4k of it. open-uri will read a whole file to memory at moment of opening.
– zed_0xff
May 15 '14 at 19:57
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Test whether a glob has any matches in bash
... possibility of overstuffing the expanded command line (some shells have a 4K length limit).
If find feels like overkill and the number of files likely to match is small, use stat:
if stat -t glob* >/dev/null 2>&1
then
echo found
else
echo not found
fi
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Growing Amazon EBS Volume sizes [closed]
...new_desc_blocks = 2
Performing an on-line resize of /dev/xvdf1 to 5242624 (4k) blocks.
The filesystem on /dev/xvdf1 is now 5242624 blocks long.
ubuntu@ip-xxxxxxx:~$
Done! Use df -h to verify the new size.
share
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C fopen vs open
...ts, fgetc, fscanf, fread) , will always read the whole size of the buffer (4K, 8K or whatever you set). By using the direct I/O you can avoid that. In that case it's even better to use pread instead of a seek/read pair (1 syscall instead of 2).
– Patrick Schlüter
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