大约有 43,179 项符合查询结果（耗时：0.0545秒） [XML]
FB OpenGraph og:image not pulling images (possibly https?)
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105
I ran into the same problem and reported it as a bug on the Facebook developer site. It seems ...
Example of Named Pipes
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174
using System;
using System.IO;
using System.IO.Pipes;
using System.Linq;
using System.Text;
us...
How to display length of filtered ng-repeat data
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For Angular 1.3+ (credits to @Tom)
Use an alias expression (Docs: Angular 1.3.0: ngRepeat, scroll down to the Arguments section):
<div ng-repeat="person in data | filter:query as filtered">
</div>
For Angular prior to 1.3...
Get a random boolean in python?
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Adam's answer is quite fast, but I found that random.getrandbits(1) to be quite a lot faster. If you really want a boolean instead of a long then
bool(random.getrandbits(1))
is still about twice as fast as random.choice([True, False])
Both solutions need to import random
If utmost spe...
How to make a new line or tab in XML (eclipse/android)?
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185
Add \t for tab and \n for new line.
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How to wait for all goroutines to finish without using time.Sleep?
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175
You can use sync.WaitGroup. Quoting the linked example:
package main
import (
"net/h...
Calculate last day of month in JavaScript
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var month = 0; // January
var d = new Date(2008, month + 1, 0);
alert(d); // last day in January
IE 6: Thu Jan 31 00:00:00 CST 2008
IE 7: Thu Jan 31 00:00:00 CST 2008
IE 8: Beta 2: Thu Jan 31 00:00:00 CST 2008
Opera 8.54: ...
What is the scope of variables in JavaScript?
...function f() {
function g() {
console.log(x)
}
let x = 1
g()
}
f() // 1 because x is hoisted even though declared with `let`!
Function parameter names
Function parameter names are scoped to the function body. Note that there is a slight complexity to this. Functions dec...
How do I update a Python package?
I'm running Ubuntu 9:10 and a package called M2Crypto is installed (version is 0.19.1). I need to download, build and install the latest version of the M2Crypto package (0.20.2).
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Deleting Row in SQLite in Android
...estion, but I'm new to SQLite and I can't seem to figure this out. I have 1 table that has columns KEY_ROWID , KEY_NAME , KAY_LATITUDE , and KEY_LONGITUDE . I want the user to be able to select one and delete it; Can anyone give me a direction to start in? My question is in the actual deletio...