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Difference between modes a, a+, w, w+, and r+ in built-in open function?
...BSD fopen manpage defines them as follows:
The argument mode points to a string beginning with one of the following
sequences (Additional characters may follow these sequences.):
``r'' Open text file for reading. The stream is positioned at the
beginning of the file.
``r+'' Open ...
GROUP BY with MAX(DATE) [duplicate]
...t t.train, d.dest, max(time) from TrainTable t join Destination d on t.destid = d.id group by t.train, d.dest
– not_ur_avg_cookie
Jul 12 '18 at 20:00
...
How to join components of a path when you are constructing a URL in Python
...
If you want the result to be a string you can add .url at the end: furl.furl('/media/path/').add(path='js/foo.js').url
– Eyal Levin
Oct 31 '17 at 12:15
...
File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
...e menu Project -> Build Settings -> remove the architecture from "valid architectures".
You can use this as a temporary solution until the library has been updated. You have to remove the architecture from your main project, not from the library.
Alternatively, you can set the flag for your ...
Matching an empty input box using CSS
...
If only the field is required you could go with input:valid
#foo-thing:valid + .msg { visibility: visible!important; }
<input type="text" id="foo-thing" required="required">
<span class="msg" style="visibility: hidden;">Yay not empty</span>
S...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
... Content = stackLayout,
});
}
static void AddButton(string text, LayoutOptions verticalOptions)
{
stackLayout.Children.Add(new Button {
Text = text,
BackgroundColor = Color.White,
VerticalOptions = verticalOptions,
He...
How to assign from a function which returns more than one value?
...o a list, which is very flexible (you can have any combination of numbers, strings, vectors, matrices, arrays, lists, objects int he output)
so like:
func2<-function(input) {
a<-input+1
b<-input+2
output<-list(a,b)
return(output)
}
output<-func2(5)
for (i in output) {
...
How to get memory available or used in C#
...d Apr 7 '19 at 17:45
Michael Freidgeim
19.4k1010 gold badges117117 silver badges147147 bronze badges
answered Apr 15 '09 at 7:03
...
苹果全球开发者大会：无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...
...数据泄露，所有记录都将只被保存在设备中。不会与Apple ID 相关联，也不会分享给第三方。
另外，苹果还表示iOS 9更加省电，相比iOS 8可以让手机多使用三个小时。iOS 9确认将于今年秋季随着新设备的发布正式推出，而面向非开...
How to call a parent method from child class in javascript?
...t} object The owner object of the method and inheritance linage
* @param {string} method The name of the super method to find.
* @param {array} args The calls arguments, basically use the "arguments" special variable.
* @returns {*} The data returned from the super method.
*/
function call_base(...