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boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...操作的需求来说真是杯水车薪，所以对目录、路径、文件元信息的操作一直难以做可移植性。然而对于现在的程序来说，可移植性极端重要，谁也不保证他写程序不要某一天要移植更一个系统中去，可能这个系统现在大家还很少...
jQuery - replace all instances of a character in a string [duplicate]
... characters but how can we remove multiple blank spaces from a string eg. '999 999 9999'.replace(/\ /g, ' '); does not work. kindly share any suggestion. Thanks.
– Kamlesh
Nov 25 '19 at 14:40
...
Subdomain on different host [closed]
...to be setup on the dns for the domain e.g
mydomain.com has IP 123.456.789.999 and hosted with Godaddy. Now to get the sub domain
anothersite.mydomain.com
of which the site is actually on another server then
login to Godaddy and add an A record dnsimple anothersite.mydomain.com and point the IP t...
Get query from java.sql.PreparedStatement [duplicate]
...: Thu Jan 14 10:09:43 CST 2016 duration: 1 connection: 19130945 statement: 999 resultset: 0
2016-01-14 10:09:43 INFO MySQL - QUERY created: Thu Jan 14 10:09:43 CST 2016 duration: 1 connection: 19130945 statement: 999 resultset: 0 message: SET sql_mode='NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES'
20...
Multiple INSERT statements vs. single INSERT with multiple VALUES
... tests). This could easily eat up the time savings you gain by eliminating 999 roundtrips to SQL Server, especially if your network is not overly slow.
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Is std::vector so much slower than plain arrays?
...");
for(int i = 0; i < 1000; ++i)
{
int dimension = 999;
// Same speed as malloc().
Pixel * pixels = new Pixel[dimension * dimension];
for(int j = 0 ; j < dimension * dimension; ++j)
pixels[j] = Pixel(255, 0, 0);
delete[] pixel...
How can I get a count of the total number of digits in a number?
...ast to double) causes a computation error when the input value is exactly -999999999999999999: the LOG10 method returns 20 instead of 19. The LOG10 method also must have a if guard for the case when the input value is zero.
The LOG10 method is quite tricky to get working for all values, which means...
Efficiency of Java “Double Brace Initialization”?
...o");
add("World!");
}};
/* snip */
List<String> l999 = new ArrayList<String>() {{
add("Hello");
add("World!");
}};
System.out.println(System.currentTimeMillis() - st);
}
}
Test 2:
class Test2 {
public static void main(String[] s) {
long...
技术人员如何创业《二》- 合伙人的模式 - 资讯 - 清泛网 - 专注C/C++及内核技术
...阿里巴巴十八罗汉被马云召集在他家创业，每个人每月500元工资，工作15个小时以上，吃住都在一起。这样的一个团队最后却大获成功，这中间和马云找到一些关键性人物和风投有很大关系。所以这个带头人需要很强的忽悠能力...
How to export data as CSV format from SQL Server using sqlcmd?
...rver -d myDB -E -o "MyData.txt" ^
-Q "select bar from foo" ^
-W -w 999 -s","
The last line contains CSV-specific options.
-W remove trailing spaces from each individual field
-s"," sets the column seperator to the comma (,)
-w 999 sets the row width to 999 chars
scottm's answ...