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Why Func instead of Predicate?
...troduced at the same time that List<T> and Array<T>, in .net 2.0, the different Func and Action variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action<T> the guideline states...
bash HISTSIZE vs. HISTFILESIZE?
...ong answer:
All the info above + some examples:
Example 1:
HISTFILESIZE=10 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain HISTFILESIZE=10 lines.
You write 50 lines.
At the end of your 50 commands, only commands 41 to ...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...e in cycles, but modern standards like POSIX require CLOCKS_PER_SEC to be 1000000, giving a maximum possible precision of 1 µs. The precision on my system is indeed 1 µs. This clock wraps around once it tops out (this typically happens after ~2^32 ticks, which is not very long for a 1 MHz clock)....
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...减少左操作数所指对象的引用计数（如果引用计数为减至0，则删除对象），并增加右操作数所指对象的引用计数；调用析构函数时，构造函数减少引用计数（如果引用计数减至0，则删除基础对象）。
智能指针就是模拟指针...
Android: Difference between Parcelable and Serializable?
...);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(age);
dest.writeString(name);
dest.writeStringList(address);
}
public int getAge() {
retur...
Override devise registrations controller
...
answered Aug 24 '10 at 4:25
theTRONtheTRON
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clang: how to list supported target architectures?
...
+250
So far as I can tell, there is no command-line option to list which architectures a given clang binary supports, and even running stri...
How to show first commit by 'git log'?
...
Short answer
git rev-list --max-parents=0 HEAD
(from tiho's comment. As Chris Johnsen notices, --max-parents was introduced after this answer was posted.)
Explanation
Technically, there may be more than one root commit. This happens when multiple previously ind...
Create table with jQuery - append
...
190
This line:
$('#here_table').append( '<tr><td>' + 'result' + i + '</td></t...
JUnit confusion: use 'extends TestCase' or '@Test'?
... |
edited Oct 22 '19 at 10:09
answered Apr 14 '10 at 8:38
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