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Clearing a string buffer/builder after loop
...t of creating the SB outside is not losing the internal (potentially long) char[] of it. If in the first iterator it grew up enough, the second loop will not need to resize any char[]. But for getting the advantage the "clear method" will have to preserve the size of the internal array. setLength do...
How can I get a java.io.InputStream from a java.lang.String?
...but that has been @Deprecrated (with good reason--you cannot specify the character set encoding):
8 Answers
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SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...sh eax
772e9d05 e8d5ffffff call ntdll32!RtlInitializeExceptionChain (772e9cdf)
772e9d0a ff750c push dword ptr [ebp+0Ch]
772e9d0d ff7508 push dword ptr [ebp+8]
772e9d10 e806000000 call ntdll32!__RtlUserThreadStart (772e9d1b)
772e9d15 cc ...
GridLayout and Row/Column Span Woe
... app:layout_columnWeight="1"
/>
<TextView android:text="اول شخص"
app:layout_gravity="fill_horizontal"
app:layout_columnWeight="1"
/>
</android.support.v7.widget.GridLayout>
...
jQuery document.createElement equivalent?
...$(document.createElement('div')) as a way of creating new elements, and which is "best".
I put together a small benchmark, and here are roughly the results of repeating the above options 100,000 times:
jQuery 1.4, 1.5, 1.6
Chrome 11 Firefox 4 IE9
<div> 440ms ...
Check if an array is empty or exists
When the page is loading for the first time, I need to check if there is an image in image_array and load the last image.
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
...am attempting to work with a very large dataset that has some non-standard characters in it. I need to use unicode, as per the job specs, but I am baffled. (And quite possibly doing it all wrong.)
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What is the fastest integer division supporting division by zero no matter what the result is?
...
Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using
int f (int x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the ...
How do I make Git use the editor of my choice for commits?
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you can test you successfully changed it by trying to amend the last commit message. git commit --amend
– Marco M.
Aug 27 '12 at 15:27
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Java switch statement: Constant expression required, but it IS constant
...compiler needs the expression to be known at compile time to compile a switch, but why isn't Foo.BA_ constant?
While they are constant from the perspective of any code that executes after the fields have been initialized, they are not a compile time constant in the sense required by the JLS; see ...