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Drupal 信任主机设置
trusted_host_patterns 设置为允许 ^www\.example\.com$
修改 sites/default/settings.php 添加如下代码
$settings['trusted_host_patterns'] = array( '^www\.example\.com$', );
Drupal: 请求FTP权限：Installing modules and themes requires FTP access to your server
The actual problem is that for some beyond retarded reason in modules/update/update.manager.inc on line 706 (in my present setup, drupal 7.2) the following check is performed:
if (fileowner($project_real_location) == fileowner(conf_path()))
with the comments explaining that conf_path() resolves to e.g. sites/default (why the “e.g.” is beyond me - could it be something else?!? or is “i.e.” what the authors meant to say?).
The $project_real_location (how real could it be, it is a temporary location underneath temporary:/“) is where the file is downloaded and extracted.
Depending on the server setup, this can be randomly complicated by a number of factors. Fact is, even if the web server user has all the rights to write all over the place, it wouldn't make any difference. Enjoy wasting your time trying to make it do so.
And why select a location that is generally created manually prior to installation to check its ownership against files actually created by the web server user. There must be a better way to deal with this.
Eventhough, Wordpress is using a similar mechanism (someone is bound to have borrowed it in/from Drupal), they do have a configuration option that overrides this. This is in particular a problem when users can manipulate their setup, but cannot change ownership of files, and especially critical when performing backup, migration, or other maintenance tasks.
Even if there is no easy workaround for this, there has to be at least a hint clarifying exactly what the problem is and how to go about this in case it occurs.
Also note that the web server user may vary. On our setup it was assigned to games (id=5) for whatever reason, so intuitively changing the ownership to www-data (id=33) did not make any difference.
If there is absolutely no way around this, then include an empty file that serves this sole purpose - controlling the write access, but for goodness sake, do not rely on some odd side effects.
I could only join the above user(s) in their frustration! Way to waste people's time!
EDIT: P.S.: Please do excuse my tone, but I can imagine that the time spent on writing this particular piece of code is by no means comparable to the number of users affected by this and the amount of time they wasted trying to figure this out. The impact of this is quite large (just do a random search for issues related to this). Although it is not directly a security issue, it may have led many people to go against common security practices in desperate attempts to fix this (as some “solutions” appear to suggest).
Also, the amount of misinformation being spread regarding this issue, without understanding the actual problem, is quite astounding. There should be absolutely no need to fall back to FTP in this case or to manipulate permissions randomly in hope of fixing the problem (chances are it will not work anyway).
Just run this on your terminal (linux/ubuntu)
sudo chown www-data -R /var/www/html/websitepath/
颜色选取按钮
ColorDialog colorDialog1 = new ColorDialog(); if (colorDialog1.ShowDialog() == DialogResult.OK) { //this.btnSelectColor.BackColor = colorDialog1.Color; this.tpZZ_LV_layerfield.SelectedItems[0].BackColor = colorDialog1.Color; }
哈希表Hashtable的枚举
foreach( DictionaryEntry de in hashtable1 )
{
Console.WriteLine("Key = {0}, Value = {1}", de.Key, de.Value);
}
foreach (string str in hashtable1.Keys)
{}
string strValue = hashtable1[key]
艺术字
- wordart.cs
using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Drawing.Text; using System.Drawing.Drawing2D; using System.Data; using System.Text; using System.Windows.Forms; public partial class WordArt : UserControl//这是一个艺术字的控件 { //文本属性 private string _text = "WordArt"; public string Caption { get { return _text; } set { _text = value; } } //字体以及大小 private Font _WordArtFont = new Font("宋体",15); public Font WordArtFont { get { return _WordArtFont; } set { _WordArtFont = value; } } //颜色 private Color _WordArtForeColor = Color.BlueViolet; public Color WordArtForeColor { get { return _WordArtForeColor; } set { _WordArtForeColor = value; } } //阴影的颜色 private Color _WordArtBackColor = Color.Gray; public Color WordArtBackColor { set { _WordArtBackColor = value; } get { return _WordArtBackColor; } } //文本输出质量：呈现模式和平滑效果 private TextRenderingHint _TextRenderingHint = TextRenderingHint.ClearTypeGridFit; public TextRenderingHint WordArtTextRenderingHint { get { return _TextRenderingHint; } set { _TextRenderingHint = value; } } public SmoothingMode _SmoothingMode = SmoothingMode.AntiAlias; public SmoothingMode WordArtSmoothingMode { get { return _SmoothingMode; } set { _SmoothingMode = value; } } public WordArt() { InitializeComponent(); } //艺术字的形式:阴影,浮雕…… private WordArtEffectStyle _WordArtEffect=WordArtEffectStyle.projection;//投影为默认形式; public WordArtEffectStyle WordArtEffect { get { return _WordArtEffect; } set { _WordArtEffect = value; } } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); Graphics g = this.CreateGraphics(); Brush backBrush=new SolidBrush(this.WordArtBackColor); Brush foreBrush=new SolidBrush(this.WordArtForeColor); SizeF size = g.MeasureString(this.Caption, this.WordArtFont); Single posX = (this.Width - Convert.ToInt16(size.Width)) / 2; Single posY = (this.Height - Convert.ToInt16(size.Height)) / 2; switch (this.WordArtEffect) { case WordArtEffectStyle.projection://投影效果 //设置文本输出质量 g.TextRenderingHint = this.WordArtTextRenderingHint; g.SmoothingMode = this.WordArtSmoothingMode; Matrix matrix = new Matrix(); //投射 matrix.Shear(-1.5f, 0.0f); //缩放 matrix.Scale(1, 0.5f); //平移 matrix.Translate(120, 75); //对绘图平面坐标实施变换 g.Transform = matrix; //绘制阴影 SolidBrush grayBrush = new SolidBrush(this.WordArtBackColor); SolidBrush colorBrush = new SolidBrush(this.WordArtForeColor); g.DrawString(this.Caption, this.WordArtFont, grayBrush, new PointF(0, 20)); g.ResetTransform(); //绘制前景 g.DrawString(this.Caption, this.WordArtFont, colorBrush, new PointF(0,20)); break; case WordArtEffectStyle.embossment://浮雕效果 backBrush = Brushes.Black; foreBrush = Brushes.White; g.DrawString(this.Caption, this.WordArtFont, backBrush, posX + 1, posY + 1); g.DrawString(this.Caption, this.WordArtFont, foreBrush, posX, posY ); break; case WordArtEffectStyle.forme://印版效果 int i = 0; backBrush = new SolidBrush(this.WordArtBackColor); foreBrush = new SolidBrush(this.WordArtForeColor); while (i < 20) { g.DrawString(this.Caption, this.WordArtFont, backBrush, posX - i, posY + i); i = i + 1; } g.DrawString(this.Caption, this.WordArtFont, foreBrush, posX, posY); break; case WordArtEffectStyle.Reflection://倒影效果 backBrush = new SolidBrush(this.WordArtBackColor); foreBrush = new SolidBrush(this.WordArtForeColor); g.TranslateTransform(posX, posY); int ascent = this.WordArtFont.FontFamily.GetCellAscent(this.WordArtFont.Style); int spacing = this.WordArtFont.FontFamily.GetLineSpacing(this.WordArtFont.Style); int lineHeight = System.Convert.ToInt16(this.WordArtFont.GetHeight(g)); int height = lineHeight * ascent / spacing; GraphicsState state = g.Save(); g.ScaleTransform(1, -1.0f); g.DrawString(this.Caption, this.WordArtFont, backBrush, 0, -height); g.Restore(state); g.DrawString(this.Caption,this.WordArtFont, foreBrush, 0, -height); break; case WordArtEffectStyle.shadow://阴影效果 Brush shadowBrush = Brushes.Gray; foreBrush = new SolidBrush(this.WordArtBackColor); posX = (this.Width - Convert.ToInt16(size.Width)) / 4; posY = (this.Height - Convert.ToInt16(size.Height)) / 3; g.DrawString(this.Caption, this.WordArtFont, shadowBrush, posX + 20, posY + 20); g.DrawString(this.Caption, this.WordArtFont, foreBrush, posX, posY); break; case WordArtEffectStyle.grain://纹理的效果 break; case WordArtEffectStyle.slope://倾斜 g.TranslateTransform(posX, posY); Matrix transform = g.Transform; //右倾斜文字 //float shearX = -0.230F; //左倾斜文字 float shearX = 0.550F; float shearY = 0.10F; transform.Shear(shearX, shearY); g.Transform = transform; g.DrawString(this.Caption, this.WordArtFont, foreBrush, 0, 0); break; case WordArtEffectStyle.shadeLines://渐变 Brush ShadowBrush = Brushes.Gray; PointF point = new PointF(0, 0); RectangleF rectangle = new RectangleF(point, size); Brush brush = new LinearGradientBrush(rectangle, Color.Red, Color.Green, LinearGradientMode.Horizontal); int xwidth = (this.Width - Convert.ToInt16(size.Width)) / 2; int xheight = (this.Height - Convert.ToInt16(size.Height)) / 2; g.DrawString(this.Caption,this.WordArtFont, brush, xwidth, xheight); break; case WordArtEffectStyle.circumgyrate://旋转 for (int n = 0; n <= 360; n += 30) { //平移到对象中心 g.TranslateTransform(this.Width / 2, this.Height / 2); //设置Graphics对象的输出角度 g.RotateTransform(n); //设置文字填充颜色 g.DrawString(this.Caption, this.WordArtFont, foreBrush, 0, 0); //恢复全局变换矩阵 g.ResetTransform(); } break; } } } public enum WordArtEffectStyle { //投影，浮雕，印版，倒影，阴影，纹理， 倾斜，渐变，旋转 projection, embossment, forme, Reflection, shadow, grain, slope, shadeLines, circumgyrate }
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