大约有 6,600 项符合查询结果（耗时：0.0197秒） [XML]
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
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community wiki
14 revs, 3 users 89%Michael Buen
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How to connect to LocalDB in Visual Studio Server Explorer?
... Why change the name and not update your documentation? (Thank you for the VS 2015 path)
– Thibault D.
Nov 18 '16 at 9:27
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Malloc vs new — different padding
...g about is more than a straight difference between malloc(sizeof(Foo) * n) vs new Foo[n]. Maybe it's more like:
malloc((sizeof(int) + sizeof(char)) * n);
vs.
struct Foo { int a; char b; }
new Foo[n];
That is, maybe he's saying "I use malloc", but means "I manually pack the data into unaligned ...
Null vs. False vs. 0 in PHP
I am told that good developers can spot/utilize the difference between Null and False and 0 and all the other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
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Detect Windows version in .net
...vironment.OSVersion;
//Get version information about the os.
Version vs = os.Version;
//Variable to hold our return value
string operatingSystem = "";
if (os.Platform == PlatformID.Win32Windows)
{
//This is a pre-NT version of Windows
switch (vs.Minor)
{
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Java Logging vs Log4J [closed]
...for the needs you describe.
For a good decision tree, have a look at Log4j vs java.util.logging
Question One :
Do you anticipate a need for any of the clever handlers that Log4j has that JUL does not have, such as the SMTPHandler, NTEventLogHandler, or any of the very convenient FileHandlers?
Que...
document.getElementById vs jQuery $()
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community wiki
13 revsJohn Hartsock
24
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Handler vs AsyncTask vs Thread [closed]
I got slightly confused about the differences between Handlers , AsyncTask and Threads in Android. I've read quite a few blogs and questions here in StackOverflow.
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Resharper Alt Enter not working
...IDE\
devenv.exe /ResetSettings
Re-apply Visual Studio keyboard scheme:
(VS2013 latest ReSharper) ReSharper > Options > Environment > Keyboard & Menus > ReSharper Platform keyboard scheme: Visual Studio > Apply Scheme > Save. This will reset the shortcut keys for ReSharper.
(...
XML attribute vs XML element
...end!">
</note>
Source: http://www.w3schools.com/xml/xml_dtd_el_vs_attr.asp
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