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Will strlen be calculated multiple times if used in a loop condition?
...mstances include compiling with GCC under linux, where strlen is marked as __attribute__((pure)) allowing the compiler to elide multiple calls. GCC Attributes
– David Rodríguez - dribeas
Jul 6 '12 at 15:42
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...器。到了机器后再按照天或者半天分表，比如表名为 weibo_2013020101 、weibo_2013020112。weibo_2013020101表示2月1日上午一个表，weibo_2013020112表示2月1日下午一个表。光这样分了还是不够，1000w/2=500w，经不起压力扩展。我们还需要把表再...
Postgresql SELECT if string contains
...
You should use 'tag_name' outside of quotes; then its interpreted as a field of the record. Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
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set date in input type date
...swered Nov 10 '12 at 14:30
int32_tint32_t
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Why do I need an IoC container as opposed to straightforward DI code? [closed]
...:
public class UglyCustomer : INotifyPropertyChanged
{
private string _firstName;
public string FirstName
{
get { return _firstName; }
set
{
string oldValue = _firstName;
_firstName = value;
if(oldValue != value)
...
Using pg_dump to only get insert statements from one table within database
... as INSERT statements from one specific table within a database using pg_dump in PostgreSQL.
4 Answers
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Why call git branch --unset-upstream to fixup?
...and then the one with only the static generated files residing in $WEBSITE/_deploy. The funny thing of the setup is that there is a .gitignore file in the $WEBSITE directory so that this setup actually works.
Enough introduction. In this case the error might also come from the repository in _deploy...
Git: fatal: Pathspec is in submodule
...module), which triggers the warning.
Try and change its context with:
cd _site
git --git-dir=.git --work-tree=. add .
git --git-dir=.git --work-tree=. commit -m "new files"
Don't forget that, if this works, you would still have to go back to the parent repo, and git add _site, since the subrepo...
what is the unsigned datatype?
...or unsigned long long int
— float
— double
— long double
— _Bool
— float _Complex
— double _Complex
— long double _Complex
— atomic type specifier
— struct or union specifier
— enum specifier
— typedef name
So in case of unsigned int we can either writ...
How to check if an element is in an array
...ed and work with the first such element,
Then an alternative to contains(_:) as blueprinted Sequence is to first(where:) of Sequence:
let elements = [1, 2, 3, 4, 5]
if let firstSuchElement = elements.first(where: { $0 == 4 }) {
print(firstSuchElement) // 4
// ...
}
In this contrived ex...