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How to read contacts on Android 2.0
...S_PHONE_NUMBER));
if (Boolean.parseBoolean(hasPhone)) {
// You know it has a number so now query it like this
Cursor phones = getContentResolver().query( ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = "+ contactId, nu...
Gradle does not find tools.jar
...ith system looking at the JRE folder i.e.
D:\Program Files\Java\jre8\bin. If we look in there, there is no Tools.jar, hence the error.
You need to find where the JDK is, in my case: D:\Program Files\Java\jdk1.8.0_11, and if you look in the lib directory, you will see Tools.jar.
What I did I crea...
What is an ORM, how does it work, and how should I use one? [closed]
...ok FROM library WHERE author = 'Linus'";
data = query(sql); // I over simplify ...
while (row = data.next())
{
book = new Book();
book.setAuthor(row.get('author');
book_list.add(book);
}
With an ORM library, it would look like this:
book_list = BookTable.query(author="Linus");
Th...
Change the selected value of a drop-down list with jQuery
...
Does this work if the select is hidden (display: none;)? I can't get it to work right...
– Padel
Jul 13 '10 at 15:10
11
...
Cannot download Docker images behind a proxy
...tory for the Docker service:
mkdir /etc/systemd/system/docker.service.d
Now create a file called /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable:
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80/"
If you have internal Docker regis...
error: ‘uint16_t’ does not name a type - c++1y / stl - 清泛IT社区，为创新赋能！
... OTHER
* DEALINGS IN THE SOFTWARE.
*/
/* Created by Danny Smith <danny_r_smith_2001@yahoo.co.nz> */
#ifndef _STDINT_H
#define _STDINT_H
#pragma GCC system_header
#include <_mingw.h>
/* ISO C9x 7.18 Integer types <stdint.h>
* Based on ISO/IEC SC22/WG14 9899...
Specifying an Index (Non-Unique Key) Using JPA
...mn(name = "name", nullable = false)
private String name;
}
Update: If you ever need to create and index with two or more columns you may use commas. For example:
@Entity
@Table(name = "company__activity",
indexes = {@Index(name = "i_company_activity", columnList = "activity_id,co...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...bits of v; first get LSB of v
int s = sizeof(v) * CHAR_BIT - 1; // extra shift needed at end
for (v >>= 1; v; v >>= 1)
{
r <<= 1;
r |= v & 1;
s--;
}
r <<= s; // shift when v's highest bits are zero
Faster (32-bit processor)
unsigned char b = x;
b = ((b * 0x08...
Why are unnamed namespaces used and what are their benefits?
...
Unnamed namespaces are a utility to make an identifier translation unit local. They behave as if you would choose a unique name per translation unit for a namespace:
namespace unique { /* empty */ }
using namespace unique;
namespace unique { /* namespace body. stuff in her...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
... first line in which it says its an invalid argument. Java -version works now. Its just I installed something called node.js and to check its version it just requires -v. I thought it may have been a generic argument.
– user1574598
Sep 1 '14 at 16:08
...