大约有 13,000 项符合查询结果（耗时：0.0195秒） [XML]
Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
...
You can check the currently running transactions with
SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started`
Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL ...
Trim spaces from start and end of string
... for (var i = str.length - 1; i >= 0; i--) {
if (/\S/.test(str.charAt(i))) {
str = str.substring(0, i + 1);
break;
}
}
return str;
}
"if you want to handle long strings exceptionally fast in all browsers".
References
blog.stevenlevithan.com --...
How to get the size of a JavaScript object?
...t, run the task you suspect is leaking, take a new quick Heap Snapshot and select the comparison view at the bottom. It makes obvious what objects were created between the two snapshots.
– Johnride
Mar 28 '14 at 15:13
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Generating a UUID in Postgres for Insert statement?
...d to run psql -d dbname -f SHAREDIR/contrib/module.sql and now it works!!! select uuid_generate_v1(); returns 1 now now. Thanks so much!
– anon58192932
Sep 29 '12 at 22:13
5
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Convert all first letter to upper case, rest lower for each word
...
There's a couple of ways to go about converting the first char of a string to upper case.
The first way is to create a method that simply caps the first char and appends the rest of the string using a substring:
public string UppercaseFirst(string s)
{
return char.ToUp...
Read whole ASCII file into C++ std::string [duplicate]
...
std::ifstream t("file.txt");
std::string str((std::istreambuf_iterator<char>(t)),
std::istreambuf_iterator<char>());
Not sure where you're getting the t.open("file.txt", "r") syntax from. As far as I know that's not a method that std::ifstream has. It looks like you'v...
Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
...ring.h> // memcpy, memset, strcmp...
// Major build options
// MARKUP_WCHAR wide char (2-byte UTF-16 on Windows, 4-byte UTF-32 on Linux and OS X)
// MARKUP_MBCS ANSI/double-byte strings on Windows
// MARKUP_STL (default except VC++) use STL strings instead of MFC strings
// MARKUP_SAFESTR to ...
How to add List to a List in asp.net [duplicate]
...
Use Concat or Union extension methods. You have to make sure that you have this direction using System.Linq; in order to use LINQ extensions methods.
Use the AddRange method.
...
How to reset index in a pandas dataframe? [duplicate]
...is faster:
df = pd.DataFrame({'a':[8,7], 'c':[2,4]}, index=[7,8])
df = pd.concat([df]*10000)
print (df.head())
In [298]: %timeit df1 = df.reset_index(drop=True)
The slowest run took 7.26 times longer than the fastest. This could mean that an intermediate result is being cached.
10000 loops, best o...
Concept behind these four lines of tricky C code
... {
m[0] *= 2;
main();
}
else
{
printf((char*) m);
}
}
It recursively calls main() 771 times.
In the beginning, m[0] = 7709179928849219.0, which stands for C++Suc;C. In every call, m[0] gets doubled, to "repair" last two letters. In the last call, m[0] cont...