大约有 32,000 项符合查询结果(耗时:0.0388秒) [XML]
Detect if a page has a vertical scrollbar?
...w height, which is the case if the doc height matches the viewport exactly then a horizontal scrollbar is added. It will force vert. scrollbar but doc/body/window height are the same; it will NOT alert "vertical scrollbar" even tho there is one.
– Stop Slandering Monica Cellio...
What is the proper way to use the node.js postgresql module?
...s logic:
db.any('SELECT * FROM users WHERE status = $1', ['active'])
.then(data => {
console.log('DATA:', data);
})
.catch(error => {
console.log('ERROR:', error);
});
i.e. you do not need to deal with connection logic when executing queries, because you set ...
Do I need all three constructors for an Android custom view?
...
when to use first constructor then ?
– Android Killer
Jul 15 '13 at 4:45
...
Operator precedence with Javascript Ternary operator
...ue, or does it evaluate to false?
If <expression> evaluates to true, then the value of <true clause> is assigned to <variable>, <false clause> is ignored, and the next statement is executed.
If <expression> evaluates to false, then <true clause> is ignored and the...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...defined in some kind of IDL to generate code for a target language that is then used in encoding and decoding. Avro does not. Avro's typing is dynamic and its schema data is used at runtime directly both to encode and decode (which has some obvious costs in processing, but also some obvious benefi...
Objective-C categories in static library
...) and click the project in the Project Navigator, click your app's target, then build settings, then search for "Other Linker Flags", click the + button, and add '-ObjC'. '-all_load' and '-force_load' are no longer needed.
Details:
I found some answers on various forums, blogs and apple docs. Now I ...
Set background color of WPF Textbox in C# code
...#FFXXXXXX");
Or you could set up a SolidColorBrush resource in XAML, and then use findResource in the code-behind:
<SolidColorBrush x:Key="BrushFFXXXXXX">#FF8D8A8A</SolidColorBrush>
myTextBox.Background = (Brush)Application.Current.MainWindow.FindResource("BrushFFXXXXXX");
...
CSS two divs next to each other
...by @roe and @MohitNanda work, but if the right div is set as float:right;, then it must come first in the HTML source. This breaks the left-to-right read order, which could be confusing if the page is displayed with styles turned off. If that's the case, it might be better to use a wrapper div and a...
Execution time of C program
... answers, but they all seem to suggest using the clock() function, which then involves calculating the number of clocks the program took divided by the Clocks_per_second value.
...
Iterate an iterator by chunks (of n) in Python? [duplicate]
...n to return chunks as list or tuple, in case you need to return iterators, then Sven Marnach's solution can be modified:
def grouper_it(n, iterable):
it = iter(iterable)
while True:
chunk_it = itertools.islice(it, n)
try:
first_el = next(chunk_it)
except ...
