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The point of test %eax %eax [duplicate]
...set. JE is an alias of JZ [Jump if Zero] so the disassembler cannot select one based on the opcode. JE is named such because the zero flag is set if the arguments to CMP are equal.
So,
TEST %eax, %eax
JE 400e77 <phase_1+0x23>
jumps if the %eax is zero.
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Android Studio inline compiler showing red errors, but compilation with gradle works fine
...aches. Let's hope A.S. will build faster now !
– Someone Somewhere
Jun 14 '18 at 14:35
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When to use references vs. pointers
...der to read when there's no indication of what's happening, why should add_one(a) not return the result, rather than set it by reference?
– connec
Aug 14 '11 at 18:21
46
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@RequestParam vs @PathVariable
...d=false) String param2){
.......
}
The @PathVariable annotation has only one attribute value for binding the request URI template. It is allowed to use the multiple @PathVariable annotation in the single method. But, ensure that no more than one method has the same pattern.
Also there is one more...
JAXB creating context and marshallers cost
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It isn't mentioned in the Javadoc that JAXBContext is thread safe. And just about every example of how to use JAXB, fails to mention that it should be created once and shared across threads. As a result I'm now removing yet another howli...
How do I use valgrind to find memory leaks?
...ory and forget to assign the pointer.
Don't overwrite a pointer with a new one unless the old memory is freed.
General advice for memory errors:
Access and write to addresses and indices you're sure belong to you. Memory
errors are different from leaks; they're often just IndexOutOfBoundsExcepti...
How disable Copy, Cut, Select, Select All in UITextView
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i have many controls. how to allow copy paste just on one control?
– Gaucho
May 24 '15 at 17:11
T...
What are the differences between type() and isinstance()?
...e case) to treat all kinds of strings (and maybe other scalar types, i.e., ones you can't loop on) one way, all containers (lists, sets, dicts, ...) in another way, and basestring plus isinstance helps you do that—the overall structure of this idiom is something like:
if isinstance(x, basestring)...
Most pythonic way to delete a file which may not exist
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+1 because I can't +2. Besides being more Pythonic, this one is actually correct, while the original is not, for the reason kindall suggested. Race conditions like that lead to security holes, hard-to-repro bugs, etc.
– abarnert
May 31 '12 at ...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
... /Format:table. Likewise, to get 20120623-1619 in my local Amsterdam time zone, in one line: for /f %%a in ('wmic os get LocalDateTime ^| findstr ^[0-9]') do (set ts=%%a) & set datetime=%ts:~0,8%-%ts:~8,4%
– Arjan
Jun 23 '12 at 14:20
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