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Uninstall all installed gems, in OSX?
...a sane list of default gems which for me is: "gem install bundler json minitest rake rdoc"
– Wil Moore III
May 2 '12 at 8:33
5
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VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Inst, HCONV hConv, char* szItem, char* sDesc)
{
HSZ hszItem = DdeCreateStringHandle(idInst, szItem, 0);
HDDEDATA hData = DdeClientTransaction(NULL,0,hConv,hszItem,CF_TEXT,
XTYP_REQUEST,5000 , NULL);
if (hData==NULL)
{
printf("Request fa...
How do browser cookie domains work?
...fc is a pretty accurate reflection of how major browsers behave. my recent tests on browsers confirmed that. although, they may differ on corner cases involving public suffixes.
– ZhongYu
Jul 9 '15 at 14:07
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How to get full path of a file?
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Just tested on 10.9.2, works fine. which readlink /usr/local/opt/coreutils/libexec/gnubin/readlink readlink --version readlink (GNU coreutils) 8.22
– J0hnG4lt
Mar 11 '14 at 22:39
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Best way to “negate” an instanceof
...c static final Predicate<Object> isInstanceOfTheClass =
objectToTest -> objectToTest instanceof TheClass;
public static final Predicate<Object> isNotInstanceOfTheClass =
isInstanceOfTheClass.negate(); // or objectToTest -> !(objectToTest instanceof TheClass)
if (isNotIn...
Type List vs type ArrayList in Java [duplicate]
...eal with that; e.g.
public <T extends List & RandomAccess> void test(T list) {
// do stuff
}
If you call that with a list that does not implement RandomAccess you will get a compilation error.
You could also test dynamically ... using instanceof ... if static typing is too awkward....
Finding duplicates in O(n) time and O(1) space
...ch step.
As we go through the array, success on the A[i] != i part of the test implies that A[i] could be a duplicate that hasn't been seen before. If we haven't seen it before, then we expect A[i]'s home location to point to itself -- that's what's tested for by the second half of the if conditio...
Convert nullable bool? to bool
... didn't seem to work inside Linq (perhaps it's just VB.NET?) - I have just tested and it does throw an invalid cast exception
– Luke T O'Brien
Mar 9 '17 at 9:38
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In C, do braces act as a stack frame?
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It's implementation dependent. I wrote a short program to test what gcc 4.3.4 does, and it allocates all of the stack space at once at the start of the function. You can examine the assembly that gcc produces using the -S flag.
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Why static classes cant implement interfaces? [duplicate]
... application I want to use a Repository that will do the raw data access ( TestRepository , SqlRepository , FlatFileRepository etc).
Because such a repository would be used throughout the runtime of my application it seemed like a sensible thing to me to make it a static class so I could go
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