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How can I get useful error messages in PHP?
...is page in the PHP documentation for information on the 2 directives: error_reporting and display_errors. display_errors is probably the one you want to change. If you can't modify the php.ini, you can also add the following lines to an .htaccess file:
php_flag display_errors on
php_value e...
How to append text to an existing file in Java?
...catch(IOException ex){ ex.printStackTrace(); }
– php_coder_3809625
Aug 18 '16 at 12:12
...
How to change context root of a dynamic web project in Eclipse?
...nswered Mar 13 '10 at 7:11
Csaba_HCsaba_H
7,81511 gold badge3838 silver badges4040 bronze badges
...
How to get device make and model on iOS?
...should be:
// Output on a simulator
@"i386" on 32-bit Simulator
@"x86_64" on 64-bit Simulator
// Output on an iPhone
@"iPhone1,1" on iPhone
@"iPhone1,2" on iPhone 3G
@"iPhone2,1" on iPhone 3GS
@"iPhone3,1" on iPhone 4 (GSM)
@"iPhone3,2" on iPhone 4 (GSM Rev A)
@"iPhone3,3" on iPhone 4 (CDM...
When NOT to use yield (return) [duplicate]
...d)
public IEnumerable<string> GetKeys()
{
foreach(string key in _someDictionary.Keys)
yield return key;
}
// DO this
public IEnumerable<string> GetKeys()
{
return _someDictionary.Keys;
}
Avoid using yield return when you don't want to defer execution code for the metho...
How to check if a string contains a substring in Bash
...egex in a bash script, this worked perfectly!
– blast_hardcheese
Feb 14 '12 at 5:10
114
The =~ op...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...ticDimension
}
// number of rows in table view
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.animals.count
}
// create a cell for each table view row
func tableView(_ tableView: UITableView, cellForRowAt indexPa...
How do I force Postgres to use a particular index?
...l time.
As a very blunt hammer, useful for testing, you can use the enable_seqscan and enable_indexscan parameters. See:
Examining index usage
enable_ parameters
These are not suitable for ongoing production use. If you have issues with query plan choice, you should see the documentation for tr...
MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的需要手动调一下。代码如下，亲测有效：
//.h
CView *m_pDemoView;
//.cpp 构造函数或OnInitDialog函数
CMainContainer::OnInitDialog() //CDialog才有，像CWnd等没有OnInitDialog可以放在构造函数中，然后OnPaint()函数中改变大小并显示。
{
m_pDem...
TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...产数据2亿多条导入测试
先建集合，创建3个索引，包括_id共4个索引。
TokuMX 5个多小时导完数据，官方MongoDB 2.2.4版本竟然花了2天2夜多，近58个小时
使用mongostat统计，每分钟取值一个，纵坐标为inserts/s,横坐标为分钟。
...