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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...www.vimer.cn
# Email: dantezhu@vip.qq.com
# FileName: test_download.cpp
# Version: 1.0
# LastChange: 2010-03-09 14:20:44
# Description:
# History:
============================================*/
#include <iostream>
#include <string>
#include...
How to get file_get_contents() to work with HTTPS?
...a workaround for CURL. The following code worked fine when I was using the test server (which wasn't calling an SSL URL), but now when I am testing it on the working server with HTTPS, it's failing with the error message "failed to open stream".
...
How Do I Convert an Integer to a String in Excel VBA?
...ng was not found.
But adding an empty string to the value works, too.
Dim Test As Integer, Test2 As Variant
Test = 10
Test2 = Test & ""
//Test2 is now "10" not 10
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Splitting string into multiple rows in Oracle
...y (also with regexp and connect by):
with temp as
(
select 108 Name, 'test' Project, 'Err1, Err2, Err3' Error from dual
union all
select 109, 'test2', 'Err1' from dual
)
select distinct
t.name, t.project,
trim(regexp_substr(t.error, '[^,]+', 1, levels.column_value)) as error
from ...
Why does Double.NaN==Double.NaN return false?
...ality predicates are non-signaling so x = x returning false can be used to test if x is a quiet NaN.
Java treats all NaN as quiet NaN.
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How do I clone a subdirectory only of a Git repository?
...
git clone --filter from git 2.19 now works on GitHub (tested 2020-09-18, git 2.25.1)
This option was added together with an update to the remote protocol, and it truly prevents objects from being downloaded from the server.
E.g., to clone only objects required for d1 of this rep...
Is using a lot of static methods a bad thing?
...hod mutates global state, or proxies to a global object, or some other non-testable behavior. These are throwbacks to procedural programming and should be refactored if at all possible.
There are a few common uses of "unsafe" statics -- for example, in the Singleton pattern -- but be aware that de...
Should logger be private static or not
...er inside the class you are going to have a devil of a time with your unit tests. You are writing unit tests aren't you?
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xpath find if node exists
...
<xsl:if test="xpath-expression">...</xsl:if>
so for example
<xsl:if test="/html/body">body node exists</xsl:if>
<xsl:if test="not(/html/body)">body node missing</xsl:if>
...
Check if a JavaScript string is a URL
...ring
'(\\#[-a-z\\d_]*)?$','i'); // fragment locator
return !!pattern.test(str);
}
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