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What's the difference between HEAD^ and HEAD~ in Git?
...he tip of the current branch. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate. The same section of the git rev-parse documentation defines it as
<rev>^, e.g. HEAD^, v1.5.1^0
A suffix ^ to a revision parameter means the first parent of that commit object. ^&...
How to make a great R reproducible example
... the sample looks like:
id X1 X73 Class
1 A 266 960 Yes
2 A 373 315 No Notice the selection split
3 A 573 208 No (which can be turned off)
4 A 907 850 Yes
5 B 202 46 Yes
6 B 895 969 Yes <~~~ 70 % of selection is from the top...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...
See Windows Batch File (.bat) to get current date in MMDDYYYY format:
@echo off
For /f "tokens=2-4 delims=/ " %%a in ('date /t') do (set mydate=%%c-%%a-%%b)
For /f "tokens=1-2 delims=/:" %%a in ('time /t') do (set mytime=%%a%%b)
echo %mydate%_%mytime%
If you prefer the time in...
How to store Java Date to Mysql datetime with JPA
....text.SimpleDateFormat sdf =
new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String currentTime = sdf.format(dt);
This 'currentTime' was inserted into the column whose type was DateTime and it was successful.
...
Which HTML5 tag should I use to mark up an author’s name?
...
Both rel="author" and <address> are designed for this exact purpose. Both are supported in HTML5. The spec tells us that rel="author" can be used on <link> <a>, and <area> elements. Google also recommends its usage. Combining us...
How to create a file with a given size in Linux?
...
dd if=/dev/zero of=upload_test bs=file_size count=1
Where file_size is the size of your test file in bytes
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improv...
download and install visual studio 2008 [closed]
...ang=en&SrcCategoryId=&SrcFamilyId=7bbe5eda-5062-4ebb-83c7-d3c5ff92a373&u=http%3a%2f%2fdownload.microsoft.com%2fdownload%2f1%2ff%2f0%2f1f07c259-7ff2-4902-9205-ad1dfb87ccab%2fVS2008SP1MSDNENUX1506188.iso
To upgrade from trial version to Pro version, check:
http://msdn.microsoft.com/en-us/...
Get yesterday's date using Date [duplicate]
...te yesterday() {
final Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, -1);
return cal.getTime();
}
Then, modify your method to the following:
private String getYesterdayDateString() {
DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
r...
Convert java.util.Date to String
...t a Date to a String using DateFormat#format method:
String pattern = "MM/dd/yyyy HH:mm:ss";
// Create an instance of SimpleDateFormat used for formatting
// the string representation of date according to the chosen pattern
DateFormat df = new SimpleDateFormat(pattern);
// Get the today date usi...
Date format Mapping to JSON Jackson
...ObjectMapper.setDateFormat:
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm a z");
myObjectMapper.setDateFormat(df);
In general, is there a way to process the variables before they get mapped to Object members by Jackson? Something like, changing the format, calculations, etc.
Yes. Yo...