大约有 47,000 项符合查询结果（耗时：0.0830秒） [XML]
Displaying better error message than “No JSON object could be decoded”
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+50
I've found that the simplejson module gives more descriptive errors in many cases where the built-in json module is vague. For instanc...
How to check for an active Internet connection on iOS or macOS?
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1290
Important: This check should always be performed asynchronously. The majority of answers below a...
What must I know to use GNU Screen properly? [closed]
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I've been using Screen for over 10 years and probably use less than half the features. So it's definitely not necessary to learn all its features right away (and I wouldn't recommend trying). My day-to-day commands are:
^A ^W - window list, where am I
^A ^C...
How do I delete multiple rows in Entity Framework (without foreach)
...ing the approach I describe here.
Although that answer was for 3.5. For 4.0 I would probably use the new ExecuteStoreCommand API under the hood, instead of dropping down to the StoreConnection.
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How to read multiple text files into a single RDD?
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10 Answers
10
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Remove icon/logo from action bar on android
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answered Apr 10 '14 at 21:12
Charles MadereCharles Madere
5,84422 gold badges3131 silver badges3131 bronze badges
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How do I find which rpm package supplies a file I'm looking for?
...age.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5.x86_64
grep-0:2.5.1-55.el5.x86_64
repoquery can do other queries such as listing package contents, dependencies, reverse-dependencies, etc.
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Customize UITableView header section
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290
You can try this:
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInte...
How to detect internet speed in JavaScript?
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var imageAddr = "http://www.kenrockwell.com/contax/images/g2/examples/31120037-5mb.jpg";
var downloadSize = 4995374; //bytes
function ShowProgressMessage(msg) {
if (console) {
if (typeof msg == "string") {
console.log(msg);
} else {
for (var i =...
right click context menu for datagridview
...ridView1.HitTest(e.X,e.Y).RowIndex;
if (currentMouseOverRow >= 0)
{
m.MenuItems.Add(new MenuItem(string.Format("Do something to row {0}", currentMouseOverRow.ToString())));
}
m.Show(dataGridView1, new Point(e.X, e.Y));
}
}
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