大约有 47,000 项符合查询结果（耗时：0.0913秒） [XML]
Associativity of “in” in Python?
...n) # perform 1 in []
9 LOAD_CONST 2 ('a') # now load 'a'
12 COMPARE_OP 6 (in) # compare result of (1 in []) with 'a'
# throws Error coz (False in 'a') is
...
Execute raw SQL using Doctrine 2
... = "DELETE FROM tmp
WHERE lastedit + INTERVAL '5 minute' < NOW() ";
$stmt = $this->getServiceLocator()
->get('Doctrine\ORM\EntityManager')
->getConnection()
->prepare($sql);
$stmt->execute();
...
HTML img scaling
...
I know that this question has been asked for a long time but as of today one simple answer is:
<img src="image.png" style="width: 55vw; min-width: 330px;" />
The use of vw in here tells that the width is relative to 55%...
CSS @media print issues with background-color;
...tag
and this is printing preview on chrome before adding !important
now, to know how to inject !important to div's style, check out this answer I'm unable to inject a style with an “!important” rule
share
...
Change Circle color of radio button
...droid:checked="false"
android:layout_height="wrap_content"
/>
Now all you need to do is make a radiobutton_drawable.xml in your drawable folder. Here is what you need to put in it:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/r...
Typedef function pointer?
...
Ah i get it now. Thanks.
– Jack Harvin
Nov 28 '10 at 5:09
4
...
How to add dividers and spaces between items in RecyclerView?
...
getChildPosition is now deprecated, getChildAdapterPosition can be used instead.
– EyesClear
May 5 '15 at 19:13
...
How to do a newline in output
... Thanks for the answer, makes me look like a fool but atleast I now know
– babyrats
Jan 13 '10 at 21:18
77
...
bool to int conversion
... zero and
the value true is converted to one.
As for C, as far as I know there is no bool in C. (before 1999) So bool to int conversion is relevant in C++ only. In C, 4<5 evaluates to int value, in this case the value is 1, 4>5 would evaluate to 0.
EDIT: Jens in the comment said, C99 ...
How can I save application settings in a Windows Forms application?
... go new unique user folders with each compile).
– minnow
Sep 13 '12 at 22:55
7
As of now, with .N...