大约有 46,000 项符合查询结果(耗时:0.0517秒) [XML]
CursorLoader usage without ContentProvider
...nUri(getContext().getContentResolver(), uri); the uri may just from random String like Uri.parse("content://query_slot1"). Seem like it don't care the uri really exist or not. And once I done operation on DB. Say getContentResolver().notifyChange(uri, null); would do the trick. Then I may create few...
Why can't radio buttons be “readonly”?
... Disabled doesn't work, because it doesn't submit the value (or does it?), and it grays out the radio button. Read-only is really what I'm looking for, but for some mysterious reason it doesn't work.
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What is JSON and why would I use it?
..."646 555-4567"
]
}
JSON in JavaScript
JSON (in Javascript) is a string!
People often assume all Javascript objects are JSON and that JSON is a Javascript object. This is incorrect.
In Javascript var x = {x:y} is not JSON, this is a Javascript object. The two are not the same thing. The ...
Google App Engine: Is it possible to do a Gql LIKE query?
...s:
Tip: Query filters do not have an explicit way to match just part of a string value, but you can fake a prefix match using inequality filters:
db.GqlQuery("SELECT * FROM MyModel WHERE prop >= :1 AND prop < :2",
"abc",
u"abc" + u"\ufffd")
This matches every MyMode...
Android Fragment lifecycle over orientation changes
...created automatically
}
Be warned though: problems will occur if you try and access Activity Views from inside the Fragment as the lifecycles will subtly change. (Getting Views from a parent Activity from a Fragment isn't easy).
...
How can I remove an SSH key?
...r. The problem is I lost my ~/.ssh directory (with the original id_rsa and id_rsa.pub files).
7 Answers
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How do I use valgrind to find memory leaks?
...the C code I wrote too:
#include <stdlib.h>
int main() {
char* string = malloc(5 * sizeof(char)); //LEAK: not freed!
return 0;
}
Well, there were 5 bytes lost. How did it happen? The error report just says
main and malloc. In a larger program, that would be seriously troublesome t...
DateTimePicker: pick both date and time
...
Agree with @WaiHaLee: Dim date As String = CultureInfo...ShortDatePattern Dim time As String = CultureInfo...ShortTimePattern dtpThing.Format = DateTimePickerFormat.Custom dtpThingEnd.CustomFormat = date + " " + time You also can constrain, say, the time c...
Implode an array with JavaScript?
...ified (literally just join the pieces together), you need to pass an empty string into Javascript's join() otherwise it defaults to using commas as delimiters:
var bits = ['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'];
alert(bits.join()); // H,e,l,l,o, ,W,o,r,l,d
alert(bits.join('')); ...
Is there a way to make a PowerShell script work by double clicking a .ps1 file?
...Write-Host "Try to go back."
}
}
Process
{
# Text Menu
[string]$TexteMenu = "Go inside PowerShell"
# Text of the program to create
[string] $TexteCommande = "%systemroot%\system32\WindowsPowerShell\v1.0\powershell.exe -Command ""&'%1'"""
# Key to create
[Stri...
