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App Inventor 2 字典代码块 · 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 © 2023 - docume...
PHP json_decode() returns NULL with valid JSON?
...o normal. Why has this happened? Because I edited the file using Micro$oft Windows' Notepad. Terrible idea!
– Joel A. Villarreal Bertoldi
Mar 9 '10 at 17:59
2
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What purpose does a tag serve inside of a tag?
...ROLLUPS") === -1) {
eval(script.innerHTML);
}
}
if (window.SQUARESPACE_ROLLUPS) {
for (var key in SQUARESPACE_ROLLUPS) {
var rollup = SQUARESPACE_ROLLUPS[key];
var js = rollup.js;
var css = rollup.css;
if (key.indexOf("common") !== -1) {
...
How to define a preprocessor symbol in Xcode
...debugging configuration. But after adding it as a value:
(in the settings window) > Preprocessor Macros : DEBUG=1
#if DEBUG
printf("DEBUG is set!");
#endif
...never prints/gets called. It's driving me crazy...
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What does string::npos mean in this code?
...td::string::npos; and get pos:4294967295 npos: 4294967295 when I run it in Windows but on Mac I get pos:4294967295 npos: 18446744073709551615. That doesn't seem right...well any way I suggest comparing to -1 instead of std::string::npos
– user1135469
Apr 10 '13...
Best way to add comments in erb
...
I have a Windows setup, and this <%-# %> sequence is the only one that works for me:
Example:
<%-# This is a sample comment! %>
share
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How do I get the path of the Python script I am running in? [duplicate]
...]) , however on Mac I only get the filename - not the full path as I do on Windows.
5 Answers
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...stead of just the variable name - so instead of:
if (blah) ...
do:
if (window.blah) ...
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Simple way to convert datarow array to datatable
...urself why this method is missing (like me)
– Broken_Window
Jul 8 '14 at 14:41
Remember to add System.Data.DataSetExte...
How does JavaScript .prototype work?
... this would be the current context object, which is usually is the global window object in the browser or GLOBAL in Node.js. It means we would have, window.name in browser or GLOBAL.name in Node.js, with "George" as its value.
b. We can attach them to an object, as its properties
-The easiest way...