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Define: What is a HashSet?
... elements you can either use an enumerator or use the built-in function to convert the HashSet into a List and iterate through that. Take a look here
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How To Capture A Minidump: Let Me Count The Ways - C/C++ - 清泛网 - 专注C/C++及内核技术
... in the Applications or the Processes tabs, right click on the process and select Create Dump File.
After the minidump is finished, you’ll see the dialog showing you where the dump was created. A nice hidden treat is that the path shown is a read only edit control you can select and copy so...
How to Validate a DateTime in C#?
...s another variation of the solution that returns true if the string can be converted to a DateTime type, and false otherwise.
public static bool IsDateTime(string txtDate)
{
DateTime tempDate;
return DateTime.TryParse(txtDate, out tempDate);
}
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Count number of days between two dates
... dates.
The one that comes closest is by thatdankent. A full answer would convert to_i and then divide:
(Time.now.to_i - 23.hours.ago.to_i) / 86400
>> 0
(Time.now.to_i - 25.hours.ago.to_i) / 86400
>> 1
(Time.now.to_i - 1.day.ago.to_i) / 86400
>> 1
In the question's specific e...
How can I make Visual Studio wrap lines at 80 characters?
...ions >> Text Editor >> All Languages >> General >> Select Word Wrap.
I dont know if you can select a specific number of columns?
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UnicodeDecodeError when redirecting to file
...ed), because their memory comes in byte chunks. The necessary process that converts characters to bytes is called encoding. Thus, a computer requires an encoding in order to represent characters. Any text present on your computer is encoded (until it is displayed), whether it be sent to a terminal...
How to generate the JPA entity Metamodel?
...EE Developers") has its own metamodel generator integrated with Eclipse.
Select your project in the Package Explorer
Go to Properties -> JPA dialog
Select source folder from Canonical metamodel (JPA 2.0) group
Click Apply button to generate metamodel classes in the selected source folder
Th...
How to calculate time difference in java?
...
Just like any other language; convert your time periods to a unix timestamp (ie, seconds since the Unix epoch) and then simply subtract.
Then, the resulting seconds should be used as a new unix timestamp and read formatted in whatever format you want.
Ah...
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
...answered myself (my answer was the only one at the time). I've changed the selected answer when the author of the current selected answer focused on eliminate those magic numbers. So, in the selected answer, you can figure out what they mean.
– reinaldoluckman
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In Vim, how do I apply a macro to a set of lines?
... matching pattern.
:g/pattern/norm! @a
To execute the macro on visually selected lines, press V and the j or k until the desired region is selected. Then type :norm! @a and observe the that following input line is shown.
:'<,'>norm! @a
Enter :help normal in vim to read more.
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