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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...*0x200=0x400 。每个FAT表的大小是 0xF3 个扇区或 0xF3*0x200= 0x1E600 字节，这意味着第二个FAT表的起始地址是0x400+0x1E600=0x1EA00 ，根目录的起始地址是 0x1EA00+0x1E600=0x3D000 。根目录最多可以存储 0x200 个记录，每个记录大小事 0x20 字节，所...
Using SSH keys inside docker container
...
echo "$ssh_pub_key" > /root/.ssh/id_rsa.pub && \
chmod 600 /root/.ssh/id_rsa && \
chmod 600 /root/.ssh/id_rsa.pub
# Avoid cache purge by adding requirements first
ADD ./requirements.txt /app/requirements.txt
WORKDIR /app/
RUN pip install -r requirements.txt
# Remo...
Android: alternate layout xml for landscape mode
...-land/main_activity.xml # For handsets in landscape
res/layout-sw600dp/main_activity.xml # For 7” tablets
res/layout-sw600dp-land/main_activity.xml # For 7” tablets in landscape
You can also use qualifier with res ressources files using dimens.xml.
res/values/dimens.xml ...
Android screen size HDPI, LDPI, MDPI [duplicate]
...00 hdpi, etc).
480dp: a tweener tablet like the Streak (480x800 mdpi).
600dp: a 7” tablet (600x1024 mdpi).
720dp: a 10” tablet (720x1280 mdpi, 800x1280 mdpi, etc).
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Applying function with multiple arguments to create a new pandas column
...;>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function in general case:
>>> def fx(x, y):
... return x*y
...
>>> df['new_column'] = np.vectorize(fx)(df['A'], df['B'])
>>> df
A B new...
Does “display:none” prevent an image from loading?
...
<picture>
<source srcset="mdn-logo-wide.png" media="(min-width: 600px)">
<img src="mdn-logo-narrow.png" alt="MDN">
</picture>
The logic behind
The browser would load the source of the img tag, only if none of the media rules applies. When the <picture> element is ...
炒股是世界难题！历史上那些名人炒股水平 - 轻松一刻 - 清泛网 - 专注C/C++...
...据，依靠朋友支助。当年5月，一个朋友去世留给马克思600英镑，这不仅是雪中送碳，而且给了马克思在股市小试牛刀的机会。他参考伦敦《金融时报》指数回升的信息，分批次购买了一些股票证券，之后耐心等待市场变化，等...
wait() or sleep() function in jquery?
...{
// do whatever you want to do
}, 600);
What happens?: In this scenario it waits 600 miliseconds before executing the code specified within the curly braces.
This helped me a great deal once I figured it out and hope it will help you as well!
IMPORTANT NOTIC...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...l be 320.
Suppose you build the same app on a tablet whose resolution is 600×860, still with sizing set to fixed. If you ask App Inventor what the widths are, the button width will still be 160 and the screen width will still be 320, and the image on the tablet will be expanded to fill the enti...
clang: how to list supported target architectures?
...30
ppc, // PPC: powerpc
ppc64, // PPC64: powerpc64, ppu
r600, // R600: AMD GPUs HD2XXX - HD6XXX
sparc, // Sparc: sparc
sparcv9, // Sparcv9: Sparcv9
systemz, // SystemZ: s390x
tce, // TCE (http://tce.cs.tut.fi/): tce
thumb, // Thumb: thumb, thumbv.*
...