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Unioning two tables with different number of columns
...atching column ordering that is implied by the use of * as column list specifier. This type of errors can be easily avoided by entering the column list explicitly:
select col_a, col_b, col_c from test1_1790
union all
select col_a, col_b, col_c from test2_1790;
A more frequent scenario for this erro...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
...
yes of course. And yet the question specifically referred to 1.8.7.
– existentialmutt
Aug 25 '14 at 17:37
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How do I replace a git submodule with another repo?
...it rm --cached path_to_submodule (no trailing slash)
Commit and delete the now untracked submodule files
Now, add the new submodule with the --name flag. This will give git an alternate name to reference in .git/config for the submodule, to deconflict with the submodule that was there historicall...
Is it possible in SASS to inherit from a class in another file?
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To my knowledge, you have to use @import of the file containing the classes you want to use into your SASS file in order to utilize them in that file. However, I am not a SASS/SCSS expert, so someone may know of another way to remot...
How do I call a dynamically-named method in Javascript?
... I googled it and found that global objects are part of the window object. Now it makes sense! Thank you. FYI I found a good page about it here devlicio.us/blogs/sergio_pereira/archive/2009/02/09/…
– Chris B
Jun 9 '09 at 12:45
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Saving enum from select in Rails 4.1
...arkling</option>
</select>
Values went from "0" to "red" and now we're all set.
If you're using a regular ol' rails text_field it's:
f.select :color, Wine.colors.keys.to_a
If you want to have clean human-readable attributes you can also do:
f.select :color, Wine.colors.keys.ma...
Sorting Python list based on the length of the string
...n(y)))
Note that cmp is a builtin function such that cmp(x, y) returns -1 if x is less than y, 0 if x is equal to y, and 1 if x is greater than y.
Of course, you can instead use the key parameter:
xs.sort(key=lambda s: len(s))
This tells the sort method to order based on whatever the key function ...
c++获取windows程序的版本号 - C/C++ - 清泛网 - 专注C/C++及内核技术
...aSize = ::GetFileVersionInfoSize((LPTSTR)lpszModuleName, &dwHandle);
if ( dwDataSize == 0 )
return FALSE;
// Allocate buffer and retrieve version information
LPBYTE lpVersionData = new BYTE[dwDataSize];
if (!::GetFileVersionInfo((LPTSTR)lpszModuleName, dwHandle, dwD...
CListCtrl 行高设置，自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
... CMyListCtrl::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
if (m_nRowHeight>0)
{
lpMeasureItemStruct->itemHeight = m_nRowHeight;
}
}
void CMyListCtrl::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
CListCtrl::OnMeasureItem(nIDCtl, lp...
php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...$path);
function encodeFiles($fileName)
{
// echo $fileName;
if (file_exists($fileName)) {
// Read in the contents
$res = file_get_contents($fileName);
$i = pathinfo($fileName);
if(!in_array($i['extension'],array('js','css','php','html','htm'))){
...