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App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
... 顶部 var qrcode = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 MIT同步更新的中文本...
What is a NullReferenceException, and how do I fix it?
...les, either by hovering the mouse over their names, opening a (Quick)Watch window or using the various debugging panels like Locals and Autos.
If you want to find out where the reference is or isn't set, right-click its name and select "Find All References". You can then place a breakpoint at every ...
Read whole ASCII file into C++ std::string [duplicate]
...ke line-end translations. On real systems that do such translations (e.g., Windows) the translated form is shorter than what's in the file (i.e., "\r\n" in the file becomes "\n" in the translated string) so all you've done is reserved a little extra space you never use. Again, doesn't really cause a...
How to remove ASP.Net MVC Default HTTP Headers?
...ure" the default and so tricky to opt in to "secure". It reminds me of how Windows hides the common file extensions by default so unsuspecting users will click on viruses. I seem to recall Bill Gates announcing "secure by default" in 2003 - whatever happened to that idea?
– mik...
Is there any kind of hash code function in JavaScript?
...p(),
wm2 = new WeakMap();
var o1 = {},
o2 = function(){},
o3 = window;
wm1.set(o1, 37);
wm1.set(o2, "azerty");
wm2.set(o1, o2); // A value can be anything, including an object or a function.
wm2.set(o3, undefined);
wm2.set(wm1, wm2); // Keys and values can be any objects. Even WeakMaps!...
How to deal with page breaks when printing a large HTML table
....tableToPrint tr").wrap("<div class='avoidBreak'></div>");
window.print();
}
Works like a charm!
Create empty file using python [duplicate]
...
it's also unix-only. Won't work on windows
– Jean-François Fabre♦
Aug 13 '18 at 22:01
...
Linux command (like cat) to read a specified quantity of characters
...er answers, but is really cumbersome
A complicated sed script with sliding window buffer to handle characters spread over multiple lines, but that is probably more cumbersome/fragile than just using something like dd
If your tr doesn't handle character-classes with variable-byte encodings correctl...
IE9 border-radius and background gradient bleeding
...oon. Not soon enough, but soon. See daringfireball.net/linked/2012/07/04/windows-hegemony With any luck, no one will ever have to worry about supporting IE12... maybe IE14 - it get's fuzzy.
– jinglesthula
Jul 20 '12 at 15:25
...
How do I determine the dependencies of a .NET application?
...Assemblies(). Has the nice advantage of not downloading or hunting obscure Windows locations for tools. +1
– jpmc26
Aug 12 '16 at 20:59
...
