我想要一些与Theming可折叠标题非常类似的东西:
http://jquerymobile.com/demos/1.2.0-alpha.1/docs/content/content-collapsible.html
不使用JQuery,这可能吗?
这是一个移动网站,但页面总是脱机,所以我真的不想使用jquery.同时为jquery mobile提供自定义样式比使用纯css并自己设置风格要难得多.
(null): While reading /Users/lewiselliott/Desktop/Final Version/2bm/2bm/static.png pngcrush caught libpng error:
(null): Could not find file: /Users/lewiselliott/Desktop/Final Version/2bm/build/Debug-iphoneos/2bm.app/static.png
Command /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/PrivatePlugIns/iPhoneOS Build System Support.xcplugin/Contents/Resources/copypng emitted errors but did not return a nonzero exit code to indicate failure
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这是什么意思,为什么它刚刚开始发生,我该如何解决?
我被问到一个对我的课程有点模棱两可的问题.
The array of strings is regarded as a set, i.e. unordered.
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我不确定是否需要从此数组中删除重复项?
我试过谷歌搜索,但有一个地方会告诉我一些不同的东西.任何帮助,将不胜感激.
我想沿着touchesmoved中收集的点在sprite kit中画一条线.
什么是最有效的方式?我已经尝试了几次,我的线在y轴上是错误的,或者占用了很多处理能力,fps下降到10秒.
有任何想法吗?
ITrigger cronTrigger = TriggerBuilder.Create()
.WithIdentity("trigger1", "group1")
.WithCronSchedule(0 0/1 * 1/1 * ? *)
.Build();
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这段代码将时间设置为在我想要的前一小时运行,因此它不是在 1:40 运行,而是在 12:40 运行。我可以将 Itrigger 的时区设置为英国时间吗?
我确信可变性意味着它可以改变,为什么会发生这种情况呢?
attrString = [[NSMutableAttributedString alloc] initWithString:@"Tip 1: Aisle Management The most obvious step – although one that still has not been taken by a disconcerting number of organisations – is to configure cabinets in hot and cold aisles. If you haven’t got your racks into cold and hot aisle configurations, we can advise ways in which you can achieve improved airflow performance."];
[attrString setFont:[UIFont systemFontOfSize:20] range:NSMakeRange(0, 23)];
[attrString setFont:[UIFont systemFontOfSize:15] range:NSMakeRange(24, 325)];
[attrString setTextColor:[UIColor blackColor] range:NSMakeRange(0,184)];
[attrString setTextColor:[UIColor blueColor] range:NSMakeRange(185,325)]; …Run Code Online (Sandbox Code Playgroud) 是否可以向 CSV 文件添加新行,而不是覆盖最后一行?
这是我想添加新行时调用的方法:
private static void writeWithCsvMapWriter() throws Exception
{
final String[] header = new String[] { "Engineer", "Time/Date", "Project", "Test ID", "Data Centre", "Data Hall", "Row", "Grille", "I/S" };
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd_HH:mm:ss");
String currentDateandTime = sdf.format(new Date());
final Map<String, Object> NewRow = new HashMap<String, Object>();
NewRow.put(header[0], Name.getText().toString());
NewRow.put(header[1], currentDateandTime);
NewRow.put(header[2], "Expect");
NewRow.put(header[3], TestID.getText());
NewRow.put(header[4], DataCentre.getText());
NewRow.put(header[5], DataHall.getText());
NewRow.put(header[6], Row.getText());
NewRow.put(header[7], Grille.getText());
NewRow.put(header[8], IS.getText());
ICsvMapWriter mapWriter = null;
try
{
mapWriter = new CsvMapWriter(new FileWriter("data/data/" + PACKAGE_NAME …Run Code Online (Sandbox Code Playgroud) 嗨,任何人都可以指出我做错了吗?错误是这样的:
SQL error 'out of memory' (7)
- (NSArray *)RecipeInfo
{
NSMutableArray *retval = [[NSMutableArray alloc] init];
NSString *query = [NSString stringWithFormat:@"SELECT key, name FROM recipes WHERE type = \'%@\'", self.RecipeType];
NSLog(query);
sqlite3_stmt *statement;
if (sqlite3_prepare_v2(_database, [query UTF8String], -1, &statement, NULL) != SQLITE_OK)
{
NSLog(@"[SQLITE] Error when preparing query!");
NSLog(@"%s SQL error '%s' (%1d)", __FUNCTION__, sqlite3_errmsg(_database), sqlite3_errcode(_database));
}
else
{
while (sqlite3_step(statement) == SQLITE_ROW)
{
int uniqueId = sqlite3_column_int(statement, 0);
char *nameChars = (char *) sqlite3_column_text(statement, 1);
NSString *name = …Run Code Online (Sandbox Code Playgroud) 我有一个int类型的列和一个varchar(255)类型的列.
我是否可以遍历数据库中的每一行并检查varchar(255)列中的某个字符串,如果找到该字符串,则将其在我的int列中找到的行的某个int设置为值我的选择?
因此,如果在行1上找到"abc",我可以将int列值设置为2吗?
任何帮助,将不胜感激,
问候
嗨,我为我的视觉a *表示绘制了skshapenodes连接图中的节点。
for(int x=0; x<64; x++)
{
for(int y=0; y<48; y++)
{
PathFindingNode *node = [[gridToDraw objectAtIndex:x] objectAtIndex:y];
for(int i=0; i< node.connections.count; i++)
{
PathFindingNode *neighbor = [node.connections objectAtIndex:i];
SKShapeNode *line = [SKShapeNode node];
CGMutablePathRef pathToDraw = CGPathCreateMutable();
CGPathMoveToPoint(pathToDraw, NULL, node.position.x, node.position.y);
CGPathAddLineToPoint(pathToDraw, NULL, neighbor.position.x, neighbor.position.y);
line.path = pathToDraw;
line.lineWidth = 0.1f;
[line setStrokeColor:[UIColor blueColor]];
line.alpha = 0.1f;
[self addChild:line];
}
}
}
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我的图中有很多节点,它绘制了将近22,000个形状。有没有一种方法可以在一次绘制调用中绘制这些形状,因为它们都是相同的,唯一的区别是它们的开始和结束位置。
如果我改为使用可以一次加载的纹理,那么如何改变它的旋转度以像上面那样连接我的所有节点。
问候,
更新:
SKShapeNode *line = [SKShapeNode node];
CGMutablePathRef pathToDraw = CGPathCreateMutable();
for(int x=0; x<64; x++) …Run Code Online (Sandbox Code Playgroud) ios ×3
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