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PHP获取图片颜色值的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...己定义一个，注意路径
for ($x=0;$x<imagesx($i);$x++) {
for ($m>y m>=0;$m>y m><imagesm>y m>($i);$m>y m>++) {
$rgb = imagecolorat($i,$x,$m>y m>);
$r=($rgb >>16) & 0xFF;
$g=($rgb >> & 0xFF;
$b=$rgb & 0xFF;
$rTotal += $r;
$gTotal += $g;
$bTotal += $b;
$total++;
}
}
$rAve...
Is Asm>y m>ncTask reallm>y m> conceptuallm>y m> flawed or am I just missing something?
...nnot believe that a class that flawed in design made it into the framework m>and m> no-one is talking about it, so I guess I just must be missing something.
...
Setting an object to null vs Dispose()
I am fascinated bm>y m> the wam>y m> the CLR m>and m> GC works (I'm working on expm>and m>ing mm>y m> knowledge on this bm>y m> reading CLR via C#, Jon Skeet's books/posts, m>and m> more).
...
How to prettm>y m> print XML from the commm>and m> line?
... /&gt;&lt;/root&gt;' |
xmllint --format -
Perl's XML::Twig
This commm>and m> comes with XML::Twig perl module, sometimes xml-twig-tools package:
echo '&lt;root&gt;&lt;foo a="b"&gt;lorem&lt;/foo&gt;&lt;bar value="ipsum" /&gt;&lt;/root&gt;' |
xml_pp
xmlstarlet
This commm>and m> comes with xmlstar...
INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
...模式下，字符的位置类似数学直角坐标系的坐标，但是 m>Y m> 轴方向相反，m>Y m> 轴是以屏幕最上面为零，越下面越大，直到 24 为止，存于 DH 内。X 轴和直角坐标系相同，越右边越大，存于 DL 内，其最大值视显示模式而变。
AH=03H
AH=03H/...
How to convert a string of bm>y m>tes into an int?
...afał: Not reallm>y m>, since Greg was using &lt;, according to the docs L is stm>and m>ard size (4) "when the format string starts with one of '&lt;', '&gt;', '!' or '='." docs.pm>y m>thon.org/librarm>y m>/struct.html#format-characters
– m>And m>ré Laszlo
Dec 24 '11 at 0:50
...
Pm>y m>thon: Whm>y m> is functools.partial necessarm>y m>?
...h lambdas?
Not much in terms of extra functionalitm>y m> (but, see later) – m>and m>, readabilitm>y m> is in the em>y m>e of the beholder.
Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambda just fine – I sam>y m> "most", definitelm>y m>...
How to resize a tableHeaderView of a UITableView?
...
Fm>Y m>I: I've gotten this to work bm>y m> modifm>y m>ing the tableHeaderView m>and m> re-setting it. In this case, i'm adjusting the size of the tableHeaderView when the UIWebView subview has finished loading.
[webView sizeToFit];
CGRect newFrame = headerView.frame;
newFrame.size.height = newFrame.size.he...
What does @@variable mean in Rubm>y m>?
What are Rubm>y m> variables preceded with double at signs ( @@ )? Mm>y m> understm>and m>ing of a variable preceded with an at sign is that it is an instance variable, like this in PHP:
...
Arrow operator (->) usage in C
...g a book called "Teach m>Y m>ourself C in 21 Dam>y m>s" (I have alreadm>y m> learned Java m>and m> C# so I am moving at a much faster pace). I was reading the chapter on pointers m>and m> the -&gt; (arrow) operator came up without explanation. I think that it is used to call members m>and m> functions (like the equivalent of...