format

问题 I am creating a django application and I have the next problem: this error is shown when I want to set a date: ValidationError [u"'12/06/2012' value has an invalid date format. It must be in YYYY-MM-DD format."] For this model: class ModelA(models.Model): date1 = models.DateField(null=True) date2 = models.DateField(null=True) How can I set the DateField format to be %m/%d/%Y . The option "input_formats" is not recognized. Thank you! 回答1: As @bruno as mentioned in his answer, input_formats is

问题 I need to get the current timestamp in Java, with the format of MM/DD/YYYY h:mm:ss AM/PM , For example: 06/01/2000 10:01:50 AM I need it to be Threadsafe as well. Can I utilize something like this? java.util.Date date = new java.util.Date(); System.out.println(new Timestamp(date.getTime())); Or the examples discussed at the link here. 回答1: The threadunsafety of SimpleDateFormat should not be an issue if you just create it inside the very same method block as you use it. In other words, you

问题 I feed a textbox a string value showing me a balance that need to be formatted like this: ###,###,###,##0.00 I could use the value.ToString("c"), but this would put the currency sign in front of it. Any idea how I would manipulate the string before feeding the textbox to achieve the above formatting? I tried this, without success: String.Format("###,###,###,##0.00", currentBalance); Many Thanks, 回答1: string forDisplay = currentBalance.ToString("N2"); 回答2: If the currency formatting gives you

问题 I need to get the current timestamp in Java, with the format of MM/DD/YYYY h:mm:ss AM/PM , For example: 06/01/2000 10:01:50 AM I need it to be Threadsafe as well. Can I utilize something like this? java.util.Date date = new java.util.Date(); System.out.println(new Timestamp(date.getTime())); Or the examples discussed at the link here. 回答1: The threadunsafety of SimpleDateFormat should not be an issue if you just create it inside the very same method block as you use it. In other words, you

问题 I am trying to further a question I asked yesterday where I wanted to know how to query a date in a different format. But now I am trying to do an insert using this method (see below) however I can't get it to work. I have checked the manual but it is not beginner friendly! INSERT INTO custorder VALUES ('Kevin','yes'), STR_TO_DATE('1-01-2012', '%d-%m-%Y'); 回答1: Put the date in single quotes and move the parenthesis (after the 'yes' ) to the end: INSERT INTO custorder VALUES ('Kevin', 'yes' ,

问题 I have a plist with this format date: Mar 11, 2013 10:16:31 AM which shows up in my console as 2013-03-11 16:16:31 +0000 whereas a webservice is returning something that in the console looks like this: 2013-03-01T18:21:45.231Z How do I fix my plist date to the same format as the web service? 回答1: Regarding your three date formats: The first is just the date format when you look at a NSDate in a plist in Xcode, a human readable date in the current locale (but if you look at the plist in a text

问题 I am trying to convert date which is in string and got format of "yyyy-MM-dd HH:mm:ss" to "dd-MM-yyyy". I have implmented following code but its giving : java.lang.IllegalArgumentException SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy"); Date date = new Date(values); String mydate = dateFormat.format(date); 回答1: First you have to parse the string representation of your date-time into a Date object. DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date

问题 I found this record in the database which is used to hold multiple values. I want to know what is this format called so that I know how to deal with it? a:4:{s:5:"child";a:1:{s:0:"";a:1:{s:3:"rss";a:1:{i:0;a:6:{s:4:"data";s:1:" ";s:7:"attribs";a:1:{s:0:"";a:1:{s:7:"version";s:3:"2.0";}}s:8:"xml_base";s:0:"";s:17:"xml_base_explicit";b:0;s:8:"xml_lang";s:0:"";s:5:"child";a:1:{s:0:"";a:1:{s:7:"channel";a:1:{i:0;a:6:{s:4:"data";s:29:" ";s:7:"attribs";a:0:{}s:8:"xml_base";s:0:"";s:17:"xml_base

问题 I can output a locale sensitive time format using strftime('%X') , but this always includes seconds. How might I display this time format without seconds? >>> import locale >>> import datetime >>> locale.setlocale(locale.LC_ALL, 'en_IE.utf-8') 'en_IE.utf-8' >>> print datetime.datetime.now().strftime('%X') 12:22:43 >>> locale.setlocale(locale.LC_ALL, 'zh_TW.utf-8') 'zh_TW.utf-8' >>> print datetime.datetime.now().strftime('%X') 12時22分58秒 The only way I can think of doing this is attempting to

问题 The ordering of my age, height and weight columns is changing with each run of the code. I need to keep the order of my agg columns static because I ultimately refer to this output file according to the column locations. What can I do to make sure age, height and weight are output in the same order every time? d = pd.read_csv(input_file, na_values=['']) df = pd.DataFrame(d) df.index_col = ['name', 'address'] df_out = df.groupby(df.index_col).agg({'age':np.mean, 'height':np.sum, 'weight':np