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Do try/catch blocks hurt performance when exceptions are not thrown?
...
+100
Check it.
static public void Main(string[] args)
{
Stopwatch w = new Stopwatch();
double d = 0;
w.Start();
for (in...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...点击的函数... 6
9. 可以方便的删除和添加固定列头... 7
10.可以设置、删除、添加固定行头... 7
11.可以在第一个单元格中加入Check控件... 8
12.可设表格的背景和字体，可设单元格的颜色和字体... 8
13.可以方便的添加或者删除一...
Pull to refresh UITableView without UITableViewController
...ction: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
r...
How do I measure request and response times at once using cURL?
...
+100
From this brilliant blog post... https://blog.josephscott.org/2011/10/14/timing-details-with-curl/
cURL supports formatted output f...
How to get a DOM Element from a JQuery Selector
...
You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
...
One-line list comprehension: if-else variants
...sion you're returning for each element. Thus you need:
[ x if x%2 else x*100 for x in range(1, 10) ]
The confusion arises from the fact you're using a filter in the first example, but not in the second. In the second example you're only mapping each value to another, using a ternary-operator expr...
Styling text input caret
... the format with CSS.
input,
textarea {
font-size: 24px;
padding: 10px;
color: red;
text-shadow: 0px 0px 0px #000;
-webkit-text-fill-color: transparent;
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
color:
text-shadow: none;
-webkit-t...
How to create NSIndexPath for TableView
... IndexPath(row: rowIndex, section: sectionIndex)
Swift 5
IndexPath(row: 0, section: 0)
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How do you calculate log base 2 in Java for integers?
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10 Answers
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How to unset max-height?
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Reset it to none:
pre {
max-height: 250px;
}
pre.doNotLimitHeight {
max-height: none;
}
Reference
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