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Converting a Java Keystore into PEM Format
... I could not export using the method above. I finally was able to do it by setting keytool arg '-destkeypass' to a dummy value. 'keytool' even prompts a warning saying it is ignoring destkeypass value? No other technique would work. Using the prompts did not work, only works from the command line ar...
Throwing the fattest people off of an overloaded airplane.
... Mischel's answer. SoapBox wrote his code in C++, and thus he uses a std::set, which has the same log(N) add time as the MinHeap.
– IvyMike
Oct 12 '11 at 23:52
1
...
Initialization of an ArrayList in one line
...List backed by an array, so it cannot change length.
But you can call List.set, so it's still mutable.
You can make Arrays.asList even shorter with a static import:
List<String> strings = asList("foo", "bar", "baz");
The static import:
import static java.util.Arrays.asList;
Which any mode...
How to navigate to a directory in C:\ with Cygwin?
...
I'll add something that helps me out a lot with cygwin. Whenever setting up a new system, I always do this
ln -s /cygdrive/c /c
This creates a symbolic link to /cygdrive/c with a new file called /c (in the home directory)
Then you can do this in your shell
cd /c/Foo
cd /c/
Very han...
How to create PDF files in Python [closed]
...e(np.float32) / 255
plt.imshow(im)
a = plt.gca()
a.get_xaxis().set_visible(False) # We don't need axis ticks
a.get_yaxis().set_visible(False)
pp = PdfPages("c:/temp/page1.pdf")
plt.subplot(121)
plotImage(files[0])
plt.subplot(122)
plotImage(files[1])
pp.savefig(plt.gcf()) # This gen...
Python Dictionary Comprehension
...(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>> d = {n: True for n in range(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you seem to be asking for is a way to set multiple keys at once on an existing dict...
c++获取windows程序的版本号 - C/C++ - 清泛网 - 专注C/C++及内核技术
... return FALSE;
}
// Retrieve the first language and character-set identifier
UINT nQuerySize;
DWORD* pTransTable;
if (!::VerQueryValue(lpVersionData, _T("\\VarFileInfo\\Translation"),
(void **)&pTransTable, &nQuerySize) )
{
delete[]...
stl multimap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...出来，然后每个key逐个遍历。
1、取出所有的key，可以用set
for (pIter = mapTest.begin(); pIter != mapTest.end(); pIter++)
{
setKey.insert(pIter->first);
}
2、逐个key遍历
pair<it, it> PairIter;
for (pIterKeySet = setKey.b...
Maximum execution time in phpMyadmin
... I've been having the exact same problems except with a much smaller dataset (~120k rows) - your answer definitely made things much better :).
– Rob
Nov 7 '13 at 11:35
...
Are Java static initializers thread safe?
...er. And if you use a class but don't use what the static initializer will set up, you're not guaranteed the class loader will invoke the static initializer.
Finally, keep in mind the objects you're synchronizing on. I realize this isn't really what you're asking, but make sure your question isn't...