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How to return an array from JNI to Java?
...ode is going to look something like this:
JNIEXPORT jintArray JNICALL Java_ArrayTest_initIntArray(JNIEnv *env, jclass cls, int size)
{
jintArray result;
result = (*env)->NewIntArray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp...
How to check which version of v8 is installed with my NodeJS?
... version (don't know since when this is available)
> npm version
{ http_parser: '1.0',
node: '0.10.35',
v8: '3.14.5.9',
ares: '1.9.0-DEV',
uv: '0.10.30',
zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
...
Find a private field with Reflection?
...can do it just like with a property:
FieldInfo fi = typeof(Foo).GetField("_bar", BindingFlags.NonPublic | BindingFlags.Instance);
if (fi.GetCustomAttributes(typeof(SomeAttribute)) != null)
...
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Back to previous page with header( “Location: ” ); in PHP
...
try:
header('Location: ' . $_SERVER['HTTP_REFERER']);
Note that this may not work with secure pages (HTTPS) and it's a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent b...
What is the best algorithm for overriding GetHashCode?
... use it as:
public override int GetHashCode()
{
return Hashing.RSHash(_field1, _field2, _field3);
}
I didn't assess its performance, so any feedback is welcomed.
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xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...自定义控件,将该控件的class属性改为XTPReport,ID改为;IDC_REPORTCTRL_LIST。
(2)添加一个自定义变量:CXTPReportControl m_wndReportCtrl;
(3)将控件和变量联系起来,在对话框初始化函数OnInitDialog()中添加如下代码:
m_wndReportCtrlList.Sub...
Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...
Restrictions
You can ask the system catalog pg_database - accessible from any database in the same database cluster. The tricky part is that CREATE DATABASE can only be executed as a single statement. The manual:
CREATE DATABASE cannot be executed inside a transaction b...
Schema for a multilanguage database
...ng a related translation table for each translatable table?
CREATE TABLE T_PRODUCT (pr_id int, PRICE NUMBER(18, 2))
CREATE TABLE T_PRODUCT_tr (pr_id INT FK, languagecode varchar, pr_name text, pr_descr text)
This way if you have multiple translatable column it would only require a single join to g...
How can I get a web site's favicon?
... looks like Google has a similar service now: google.com/s2/favicons?domain_url=stackoverflow.com
– hunter
May 8 '15 at 19:49
20
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Algorithm for creating a school timetable
...s heuristic. I named it "recursive swapping".
Input: a set of activities A_1...A_n and the constraints.
Output: a set of times TA_1...TA_n (the time slot of each activity. Rooms are excluded here, for simplicity). The algorithm must put each activity at a time slot, respecting constraints. Each TA...