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What is the difference between `Enum.name()` and `Enum.toString()`? [duplicate]
...
The main difference between name() and toString() is that name() is a final method, so it cannot be overridden. The toString() method returns the same value that name() does by default, but toString() can be overridden by subclasses of...
How to fix UITableView separator on iOS 7? [duplicate]
... of the screen.
[tableView setSeparatorInset:UIEdgeInsetsZero];
Note: If your app is also targeting other iOS versions, you should check for the availability of this property before calling it by doing something like this:
if ([tableView respondsToSelector:@selector(setSeparatorInset:)]) {
...
numpy matrix vector multiplication [duplicate]
...
Other Solutions
Also know there are other options:
As noted below, if using python3.5+ the @ operator works as you'd expect:
>>> print(a @ b)
array([16, 6, 8])
If you want overkill, you can use numpy.einsum. The documentation will give you a flavor for how it works, but honestly,...
Swift: Determine iOS Screen size [duplicate]
I would like to use Swift code to properly position items in my app for no matter what the screen size is. For example, if I want a button to be 75% of the screen wide, I could do something like (screenWidth * .75) to be the width of the button. I have found that this could be determined in Object...
stl 字符串std::string作为std::map主键key的实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...个实例介绍std::map字符串作为key的常见用法，并使用find_if实现map按value值查找。代码如下：
#include <map>
#include <string>
#include <algorithm>
using namespace std;
class map_value_finder
{
public:
map_value_finder(const std::string &cmp_string):m_s_cmp_...
VC中CStatic等控件字体颜色的设置和OnCtlColor的使用 - C/C++ - 清泛网 - ...
...
HBRUSH CAboutDig::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if (nCtlColor == CTLCOLOR_STATIC)
{
pDC->SetTextColor(RGB(0,0,255));//设置字体颜色
pDC->SetBkMode(TRANSPARENT); //设置背景透明
}
}
第三个参数OnCtlColor主要有以下的值：
...
MFC 判断焦点是否在控件上 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 判断焦点是否在控件上if (GetDlgItem(IDC_EDIT1) == GetFocus()) 焦点是否在IDC_EDIT1控件上...对于自绘控件：if (CWnd::FromHandle(m_hWnd) == GetFocus())...if (GetDlgItem(IDC_EDIT1) == GetFocus()) //焦点是否在IDC_EDIT1控件上
...
对于自绘控件：
if (CWnd::Fr...
Subversion钩子 - 更多技术 - 清泛网 - 专注C/C++及内核技术
.../svnlook"
PHP="/usr/bin/php"
LOG=$($SVNLOOK log -t "$TXN" "$REPOS")
if [ "$LOG" = "" ]; then
echo "Please input log" 1>&2
exit 1
fi
FILES=$($SVNLOOK changed -t "$TXN" "$REPOS" | awk '/^[AU]/ {print $NF}')
for FILE in $FILES; do
CONTENT=$($SVNLOOK cat -t "$TXN" "$REPO...
xxx.sh: line x: [0: command not found - 更多技术 - 清泛网 - 专注C/C++及内核技术
xxx.sh: line x: [0: command not found由于if [后面没有加空格导致的。if [ xxx ] 表达式前后都要有空格。由于if [ 后面没有加空格导致的。
if [ xxx ] 表达式前后都要有空格。command not found
JQuery中toggle被淘汰后的替代方法（jquery toggle 把自己隐藏了） - 更多...
...ength。
.toggle() 1.8以上被淘汰。
对于toggle，一般都会用if进行替换。
如正常用toggle：
$(".one .top").toggle(
function (){
$(".content").show(1500);
$(".iocn").addClass("jian");
},
function (){
$(...