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When should one use RxJava Observable and when simple Callback on Android?
...ter closer to the Callback variant.
Furthermore, if you have access to the JSON feed, it would be kind of weird to retrieve all photos when you're only displaying the PNGs. Just adjust the feed to it only displays PNGs.
First conclusion
It doesn't make your codebase smaller when you're loading a ...
How to solve PHP error 'Notice: Array to string conversion in…'
...gt;
int(3)
[1]=>
int(4)
[2]=>
int(5)
}
Correction 2: Use json_encode to collapse the array to json string:
$stuff = array(1,2,3);
print json_encode($stuff); //Prints [1,2,3]
Correction 3: Joining all the cells in the array together:
<?php
$stuff = array(1,2,3);
pri...
How to use executables from a package installed locally in node_modules?
...ically want to use the binaries of modules listed in the project's package.json.
– regular
Oct 3 '13 at 9:12
12
...
jQuery .data() does not work, but .attr() does
...ttempts to evaluate/parse the attributes. So with an attribute like data-myjson='{"hello":"world"}' when retrieved via .data() will return an Object while retrieval via .attr() will return a string. See jsfiddle example.
Since .data() does extra processing jQuery stores the results of attribute eva...
Processing $http response in service
...function, which also returns a promise
var promise = $http.get('test.json').then(function (response) {
// The then function here is an opportunity to modify the response
console.log(response);
// The return value gets picked up by the then in the controller.
ret...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...使用OpenGL编程比较麻烦，因为我们需要设置一个叫做象素格式的东西，大家只要看看下面的这段C代码，就知道我为什么说它麻烦了：
static PIXELFORMATDESCRIPTOR pfd= //pfd 告诉窗口我们所希望的东东
{
...
How to enable CORS in AngularJs
...utput in the called PHP script (i.e before you output the actual response, JSON, what ever.
– davidkonrad
Apr 9 at 23:52
...
jQuery, simple polling example
... console.log("polling");
},
dataType: "json",
complete: poll,
timeout: 2000
})
}, 5000);
})();
This will make the next request only after the ajax request has completed.
A variation on the above that will execute immediately ...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...制到 DBName 属性指定的文件中。
导入的文件必须是完整格式的二进制 SQLite 数据库文件，不是原始 SQL 语句（为此使用 ExecuteFile 方法）。
前缀“//”指定应用程序资产中的文件。
前缀“/”指定外部 SD 卡上的文件。
无前缀指...
Send POST request using NSURLSession
...nary for the params. The following will send the parameters correctly to a JSON server.
NSError *error;
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self del...