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What's the best way to check if a file exists in C?
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[...continuing...] Rather more esoterically, on POSIX systems, access() checks whether the real UID and real GID, rather than the effective UID and effective GID. This only matters to setuid or setgid programs, but then it matters intensely as it may...
A Java collection of value pairs? (tuples?)
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303
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When should you branch?
...l various developments take place
tasks branches: short-lived branches for more specific task (bug-fix is a classic one, but you can also define a branch for a merge effort you know to be complex to complete: you can merge, commit and test in that task branch without introducing problem for the main...
Cross-browser testing: All major browsers on ONE machine
...tall AntiWPA to disable the activation check if you will use the image for more than 30 days.
Optional: Disable the paging file (Computer > Properties > Advanced > Performance > Advanced > Virtual Memory > Change > No paging > Set [confirm]).
Optional: Disable unnecessary ser...
How do I find the duplicates in a list and create another list with them?
... a:
if x not in seen:
uniq.append(x)
seen.add(x)
or, more concisely:
seen = set()
uniq = [x for x in a if x not in seen and not seen.add(x)]
I don't recommend the latter style, because it is not obvious what not seen.add(x) is doing (the set add() method always returns ...
How do I get the directory that a program is running from?
...w about add char pBuf[256]; size_t len = sizeof(pBuf); to let the solution more clearly.
– charles.cc.hsu
Oct 5 '16 at 13:22
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Is there a cross-browser onload event when clicking the back button?
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What's the difference between @Secured and @PreAuthorize in spring security 3?
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@PreAuthorize is different, it is more powerful than @Secured.
The older @Secured annotations did not allow expressions to be used.
Starting with Spring Security 3, the more flexible annotations
@PreAuthorize and @PostAuthorize (as well as @PreFil...
How to open a web server port on EC2 instance
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Bundling data files with PyInstaller (--onefile)
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Newer versions of PyInstaller do not set the env variable anymore, so Shish's excellent answer will not work. Now the path gets set as sys._MEIPASS:
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
try:
# PyInst...