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Rename a git submodule
...oesn’t work for me because when using git add command, the submodule was included into the project as a simple directory and not as a submodule. try $ mv submodule-oldpath ~/another-location $ git rm submodule-oldpath $ git submodule add submodule-repository-URL submodule-newpath bcachet.github....
Can you use if/else conditions in CSS?
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You could create two separate stylesheets and include one of them based on the comparison result
In one of the you can put
background-position : 150px 8px;
In the other one
background-position : 4px 8px;
I think that the only check you can perform in CSS is browse...
Getting all types that implement an interface
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Note that the list may also include the interface itself. Change the last line to .Where(p => type.IsAssignableFrom(p) && !p.IsInterface); to filter it out (or p.IsClass).
– jtpereyda
Dec 2 '13 at 21:21
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...benefit of not zero extending is ensuring the higher order bits of rax are included, for instance, if it originally contains 0xffffffffffffffff, the result would be 0xffffffff00000007, but there's very little reason for the ISA to make this guarantee at such an expense, and it's more likely that the...
Understanding typedefs for function pointers in C
...parameters they accept. So in order to fully describe a function, you must include its return value and the type of each parameter is accepts.
When you typedef such a definition, you give it a 'friendly name' which makes it easier to create and reference pointers using that definition.
So for examp...
Why do you have to link the math library in C?
If I include <stdlib.h> or <stdio.h> in a C program I don't have to link these when compiling but I do have to link to <math.h> , using -lm with gcc, for example:
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Default initialization of std::array?
...an explicit initializer will be default initialized (C++11 §8.5/11). That includes objects of type std::array<T, N> and T[N].
Be aware that there are types for which default initialization has no effect and leaves the object's value indeterminate: any non-class, non-array type (§8.5/6). Con...
Checking if a SQL Server login already exists
... two target tables are sys.sql_logins and sys.sysusers -- might be nice to include this in the answer.
– Brett
Apr 6 '16 at 17:44
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When should one use a 'www' subdomain?
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There are a ton of good reasons to include it, the best of which is here:
Yahoo Performance Best Practices
Due to the dot rule with cookies, if you don't have the 'www.' then you can't set two-dot cookies or cross-subdomain cookies a la *.example.com. There ...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...r in front. BEGIN PRIVATE KEY is PKCS#8 and indicates that the key type is included in the key data itself. From the link:
The unencrypted PKCS#8 encoded data starts and ends with the tags:
-----BEGIN PRIVATE KEY-----
BASE64 ENCODED DATA
-----END PRIVATE KEY-----
Within the base64 encoded...