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CFLAGS vs CPPFLAGS
...
The implicit make rule for compiling a C program is
%.o:%.c
$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
where the $() syntax expands the variables. As both CPPFLAGS and CFLAGS are used in the compiler call, which you use to define include paths is a matter of personal taste. For instan...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...2B92FAB53DB28520D859CE0EF6B7D83D40AA1C1DCE2C0720D15A0F531595CAD81BA5D129F91CC6769719F1435872C4BCD0521150A0263B470066489B918BFCA03CE8A0E9FC2C0314C4B096EA30717C03C28CA29E678E63D78ACA1E9A63BDB1261EE7A0B041AB53746D68B57B68BEF37B71382838C95DA8557841A3CA58109F0B4F77A5E929B1A25DC2D6814C55DC0F81CD2F4E5DB95E...
How to declare variable and use it in the same Oracle SQL script?
...t; var name varchar2(20)
SQL> exec :name := 'SALES'
PL/SQL procedure successfully completed.
SQL> select * from dept
2 where dname = :name
3 /
DEPTNO DNAME LOC
---------- -------------- -------------
30 SALES CHICAGO
SQL>
A VAR is particularly usefu...
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...我们通过js去访问WebAPI，以及通过动态绑定将数据呈现在网页上。
@model WebAPIDemo.Models.Contact
@{
ViewBag.Title = "Admin";
}
@section Scripts {
@Scripts.Render("~/bundles/jqueryval")
<script type="text/javascript" src="@Url.Content("~/Scripts/knockout-2....
Difference between staticmethod and classmethod
... 1 argument too.
print(a.static_foo)
# <function static_foo at 0xb7d479cc>
And of course the same thing happens when you call static_foo with the class A instead.
print(A.static_foo)
# <function static_foo at 0xb7d479cc>
...
Visualizing branch topology in Git
...
Use git log --graph or gitk. (Both also accept --all, which will show all the branches instead of just the current one.)
For branch names and a compact view, try:
git log --graph --decorate --oneline
...
How to get RelativeLayout working with merge and include?
...
This is a better solution than the accepted one, as it avoids creating an otherwise superfluous layout object. Also, it sucks how according to the Android devs this is a-OK.
– mikołak
Jan 4 '12 at 20:20
...
How is mime type of an uploaded file determined by browser?
... in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mime type. That is, we first check a hard-coded list (that cannot be
// overridden), and...
How do I target only Internet Explorer 10 for certain situations like Internet Explorer-specific CSS
...e) {
/* IE10+ CSS here */
}
To target Edge Browser:
@supports (-ms-accelerator:true) {
.selector { property:value; }
}
Sources:
Moving Internet Explorer specific CSS into @media blocks
How to Target Internet Explorer 10 and 11 in CSS
CSS Hacks for Windows 10 and Microsoft’s Edge Web ...