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How to subtract X days from a date using Java calendar?
Anyone know a simple way using Java calendar to subtract X days from a date?
10 Answers
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PHP exec() vs system() vs passthru()
What are the differences?
5 Answers
5
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Unfortunately MyApp has stopped. How can I solve this?
...on the right), and let the app crash again.
I have found the stack trace, now what?
Yay! You're halfway to solving your problem.
You only need to find out what exactly made your application crash, by analyzing the stack trace.
Read up on stack traces in "What is a stack trace, and how can I use i...
How to put more than 1000 values into an Oracle IN clause [duplicate]
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@ocdecio - my tests with Oracle 10g show different (and clearly worse) explain plans for the IN, compared to the JOIN. Personally I'd use the JOIN, and would recommend others to test different approaches to see differences in performance, rather than guess.
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UIDevice uniqueIdentifier deprecated - What to do now?
...oss reinstalls and apps (if the hashing is done in the same way). Anyways, nowadays (2013) this isn't necessary any more except if you need a "stable" device identifier on iOS < 6.0.
Edit 4: In iOS 7, Apple now always returns a fixed value when querying the MAC to specifically thwart the MAC as ...
Convert python datetime to epoch with strftime
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import time
from datetime import datetime
now = datetime.now()
time.mktime(now.timetuple())
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What is the email subject length limit?
... Internet email?
I had a scan of The RFC for email but could not see specifically how long it was allowed to be.
I have a colleague that wants to programmatically validate for it.
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How can I get the DateTime for the start of the week?
How do I find the start of the week (both Sunday and Monday) knowing just the current time in C#?
32 Answers
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...这个表上建立物化视图日志如“CREATE MATERIALIZED VIEW LOG ON T_tablename;”，再到数据库B上创建数据库链接和快速刷新的物化视图如“create materialized view mv_tablename refresh fast on demand start with sysdate next sysdate+1/288 as select * from T_tablename@dbli...
AddBusinessDays and GetBusinessDays
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using Fluent DateTime:
var now = DateTime.Now;
var dateTime1 = now.AddBusinessDays(3);
var dateTime2 = now.SubtractBusinessDays(5);
internal code is as follows
/// <summary>
/// Adds the given number of business days to the <see cre...