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How to change the remote a branch is tracking?
...hand:
git config --edit
or the shorthand
git config -e
Then edit the file at will, save and your modifications will be applied.
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Redis: Show database size/size for keys
...about memory size! It is the size an objects would take when save to a RDB file on disk. Check the source code: github.com/antirez/redis/blob/… and github.com/antirez/redis/blob/…
– Hugo Tavares
Jul 5 '15 at 17:01
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What makes Lisp macros so special?
...What this says is: Evaluate expr1, and, should it be true, evaluate expr2, etc.
Now try to make this && into a function... thats right, you can't. Calling something like:
and(expr1, expr2, expr3)
Will evaluate all three exprs before yielding an answer regardless of whether expr1 was fals...
Why am I getting error for apple-touch-icon-precomposed.png
... it. This is the equivalent of the favicon. To resolve, add 2 100×100 png files, save it as apple-touch-icon-precomposed.png and apple-touch-icon.png and upload it to the root directory of the server. After that, the error should be gone.
I noticed lots of requests for apple-touch-icon-precompo...
count vs length vs size in a collection
...t? So it has a length.
size() implies that the element has a size. E.g. a file has a size. You say "this file has a size of 2 MB", right? So it has a size.
That said, a string can also have a size, but I'd expect something else here. E.g. a UTF-16 string may have a length of 100 characters, but as...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
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//设置控件的初始行数和列数
m_Grid.SetRowCount(1);
m_Grid.SetColumnCount(4);
//设置控件背景颜色，这里GetDefaultCell的两个参数分别表示是否是固定行或者是固定列。如果不设定，缺省的颜色为白色。
m_Grid.GetDefaultCell(FALSE, FALSE)->Set...
The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
...ed for me! Only problem is: I can't set which browser to run in any config files (can I?), so now I'm stuck as IE as my default browser. Bah.
– DanTheMan
Apr 5 '11 at 19:47
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Understand the “Decorator Pattern” with a real world example
...ou are writing an encryption module. This encryption can encrypt the clear file using DES - Data encryption standard. Similarly, in a system you can have the encryption as AES - Advance encryption standard. Also, you can have the combination of encryption - First DES, then AES. Or you can have first...
How to get a dependency tree for an artifact?
... you're not 'creating' a project, you're just downloading a POM file.
– Sean Patrick Floyd
Jul 27 '10 at 20:18
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Insert, on duplicate update in PostgreSQL?
...sient errors - reboots under load, client errors mid-transaction, crashes, etc. You must never, ever rely on SERIAL / SEQUENCE or AUTO_INCREMENT not having gaps. If you need gapless sequences they're more complex; you need to use a counter table usually. Google will tell you more. But be aware gaple...