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How come an array's address is equal to its value in C?
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That's because the array name (my_array) is different from a pointer to array. It is an alias to the address of an array, and its address is defined as the address of the array itself.
The pointer is a normal C variable on the stack, however. Thus, you can take its address and ...
How do I commit only some files?
... both branches you do
git stash # remove all changes from HEAD and save them somewhere else
git checkout <other-project> # change branches
git cherry-pick <commit-id> # pick a commit from ANY branch and apply it to the current
git checkout <first-project> ...
Responsive image align center bootstrap 3
...ow for posterity
This is a pleasantly easy fix. Because .img-responsive from Bootstrap already sets display: block, you can use margin: 0 auto to center the image:
.product .img-responsive {
margin: 0 auto;
}
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VIM: Deleting from current position until a space
...en developing I am confronted with a nested object that I'd like to delete from code in the middle of a line like this:
6 A...
Make fill entire screen?
...or horizontal margins, paddings, and borders on the body and subtract them from the min-height value.
I've had bizarre results using vh,vm units on elements within the body, especially when re-sizing.
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Why doesn't “System.out.println” work in Android?
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if you really need System.out.println to work(eg. it's called from third party library). you can simply use reflection to change out field in System.class:
try{
Field outField = System.class.getDeclaredField("out");
Field modifiersField = Field.class.getDeclaredField("accessFla...
Test if a variable is a list or tuple
... certain type of object, it's that you artificially restrict your function from doing the right thing with unexpected object types that would otherwise do the right thing. If you have a final fallback that is not type-checked, you remove this restriction. It should be noted that too much type chec...
How to insert in XSLT
... for <xsl:output method="text">, and this may happen to be different from what you might wish... On the contrary, getting entities defined for XSLT template via <!DOCTYPE ... <!ENTITY ... will always produce output consistent with your xsl:output settings.
And when including all charact...
PHP Session Fixation / Hijacking
... since the attacker has the identifier, they are all but indistinguishable from the valid user with respect to the server.
You cannot directly prevent session hijacking. You can however put steps in to make it very difficult and harder to use.
Use a strong session hash identifier: session.hash_f...
Find files containing a given text
...the -i makes it case insensitlve
the . at the end means you want to start from your current directory, this could be substituted with any directory.
the -r means do this recursively, right down the directory tree
the -n prints the line number for matches.
the --include lets you add file names, e...