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C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...线程完成… 16
2.1.3 在异常环境下的等待… 16
2.1.4 后台运行线程… 18
2.2 传递参数给线程函数… 19
2.3 转让线程的所有权… 21
2.4 在运行时选择线程数… 24
2.5 标识线程… 26
2.6 小结… 28
第3章 在线程间共享数据… 29
3.1 线程...
Close Window from ViewModel
...).SingleOrDefault();
if (user == null)
{
MessageBox.Show("Unable to Login, incorrect credentials.");
return false;
}
else if (this.Username == user.Username || this.Password.ToString() == user.Password)
{
MessageBox.Show("Welcome "+ user.Username + ", you...
How do I find out which process is locking a file using .NET?
... if (res != 0) throw new Exception("Could not begin restart session. Unable to determine file locker.");
try
{
const int ERROR_MORE_DATA = 234;
uint pnProcInfoNeeded = 0,
pnProcInfo = 0,
lpdwRebootReasons = RmRebootReas...
How to fix corrupted git repository?
...l="$(git config --local --get remote.origin.url)" ;
then
echo "Unable to find remote 'origin': missing in '.git/config'" >&2
exit 1
fi
fi
url_base="$(echo "${url}" | sed -E 's;^([^/]*://)?([^/]*)(/.*)?$;\2;')"
echo "Attempting to access ${url_base} before continuing"
i...
What's the difference between a proxy server and a reverse proxy server? [closed]
...Here is a (very) partial list of uses of a forward proxy server:
1) X is unable to access Z directly
because
a) Someone with administrative authority over X's internet connection has decided to block all access to site Z.
Examples:
The Storm Worm virus is spreading by tricking people into vi...
REST HTTP status codes for failed validation or invalid duplicate
...is correct (thus a 400 (Bad Request) status code is inappropriate) but was unable to process the contained instructions. For example, this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions.
...
Eager load polymorphic
...< ActiveRecord::Base
has_many :reviews, as: :reviewable
end
You are unable to do that query for several reasons.
ActiveRecord is unable to build the join without additional information.
There is no table called reviewable
To solve this issue, you need to explicitly define the relationsh...
List all svn:externals recursively?
...tSvnRevs() {
cd "$1"
wcver="$(svnversion)"
[ -n "$wcver" ] || panic "Unable to get version for $wcdir"
echo "$1: $wcver"
svn propget svn:externals -R | while read a b c d e; do
[ -n "$a" ] || continue
if [ "$b" = "-" ]; then
wcparent="$a"
wcdir="$wcparent/$c"
[ -z...
Reading a file line by line in Go
I'm unable to find file.ReadLine function in Go. I can figure out how to quickly write one, but I am just wondering if I'm overlooking something here. How does one read a file line by line?
...
how to check the dtype of a column in python pandas
...empty pd.Series or pd.DataFrames but has another problems.
First - it is unable to differ some dtypes:
df = pd.DataFrame({'prd' :[pd.Period('2002-03','D'), pd.Period('2012-02-01', 'D')],
'str' :['s1', 's2'],
'cat' :[1, -1]})
df['cat'] = df['cat'].astype('c...