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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...rFactory implements AnnotationProcessorFactory {
public Collection<String> supportedOptions() {
System.err.println("Called supportedOptions.............................");
return Collections.EMPTY_LIST;
}
public Collection<String> supportedAnnotationTypes() ...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...结第1条：慎重选择容器类型。标准STL序列容器：vector、string、deque和list。标准STL关联容器：set、multiset、map和multimap。非标准序列容...
第1条：慎重选择容器类型。
标准STL序列容器：vector、string、deque和list。
标准STL关联容器：...
How do I turn off Oracle password expiration?
... OLD_PASSWORD
REM Select the old spare4 and password columns as delimited strings
SELECT
'''' || SPARE4 || '''' AS SPARE4HASH,
'''' || PASSWORD || '''' AS PWORDHASH
FROM
SYS.USER$
WHERE
NAME = '&USER_NAME';
REM Show the contents of the SQL*Plus variables
DEFINE OLD_SPARE4
DEFINE O...
Is C++14 adding new keywords to C++?
...ch else namespace static_assert using
char enum new static_cast virtual
char16_t explicit noexcept struct void
char32_t export nullptr switch ...
What's the point of malloc(0)?
...ht_be_zero) perhaps could have their uses, although again you have to take extra care not to treat a NULL return as a failure if the value is 0, but a 0 size is supposed to be OK.
share
|
improve th...
Regex for numbers only
...ficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is matching a string that contains all numbers plus an equals sign like "1234=4321". I'm sure there's a way to change this behavior, but as I said, I've never really d...
What is context in _.each(list, iterator, [context])?
...pluck, 2);
Even from the limited examples, you can see how powerful an "extra argument" can be for creating re-usable code. Instead of making a different callback function for each situation, you can usually adapt a low-level helper. The goal is to have your custom logic bundling a verb and two n...
Specify sudo password for Ansible
...ord that you used when creating your secret file. The password should be a string stored as a single line in the file.
From the Ansible Docs:
.. ensure permissions on the file are such that no one else can access your key and do not add your key to source control
Finally: you can now run your...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
...
public class Test
{
[STAThread]
static void Main()
{
string invariant = "iii".ToUpperInvariant();
CultureInfo turkey = new CultureInfo("tr-TR");
Thread.CurrentThread.CurrentCulture = turkey;
string cultured = "iii".ToUpper();
Font bigFont = new ...
Delete element in a slice
...
@Tyguy7 from the spec: "For arrays or strings, the indices are in range if 0 <= low <= high <= len(a), otherwise they are out of range." Maybe in your case high < low; in that case you'll get the error. (golang.org/ref/spec#Slice_expressions)
...