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How to get .pem file from .key and .crt files?
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Your keys may already be in PEM format, but just named with .crt or .key.
If the file's content begins with -----BEGIN and you can read it in a text editor:
The file uses base64, which is readable in ASCII, not binary format. The certifica...
What is the difference between synchronous and asynchronous programming (in node.js)
I've been reading nodebeginner
And I came across the following two pieces of code.
10 Answers
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How can I delete all unversioned/ignored files/folders in my working copy?
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Nice feature! I had to read the link, though, to find out that it only works on the list view (not the tree view) on XP -- maybe you should include that in your answer.
– Nick Meyer
May 11 '10 at 20:40
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There is already an open DataReader associated with this Command which must be closed first
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This worked for me. If you want to read more about Enabling Multiple Active Result Sets (MARS) see msdn.microsoft.com/en-us/library/h32h3abf(v=vs.100).aspx. Consider reading up on Disadvantages of MARS too stackoverflow.com/questions/374444/…
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How can I quickly sum all numbers in a file?
...92
real 0m0.445s
user 0m0.438s
sys 0m0.024s
$ time { s=0;while read l; do s=$((s+$l));done<random_numbers;echo $s; }
16379866392
real 0m9.309s
user 0m8.404s
sys 0m0.887s
$ time { s=0;while read l; do ((s+=l));done<random_numbers;echo $s; }
16379866392
real 0m7.191s
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Copy entire contents of a directory to another using php
... $dir = opendir($src);
@mkdir($dst);
while(false !== ( $file = readdir($dir)) ) {
if (( $file != '.' ) && ( $file != '..' )) {
if ( is_dir($src . '/' . $file) ) {
recurse_copy($src . '/' . $file,$dst . '/' . $file);
}
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Should services always return DTOs, or can they also return domain models?
...o, in which case the answer is that they should not return DTOs. I suggest reading chapter 4 in the blue book, titled "Isolating the Domain".
In that chapter, Evans says the following about the layers:
Partition a complex program into layers. Develop a design within each layer that is cohesive ...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
... , MAX_PATH);
dumpPath.append(index);
//opening mass storage for reading
//requires administrator privilege
HANDLE hDump( ::Create File (
dumpPath.c_str(),
GENERIC_READ,
FILE _SHARE_READ | FILE _SHARE_WRITE,
NULL,
OPEN_EXISTING,
...
How to change an element's title attribute using jQuery
...o equivalent property to supplement it. Since title does indeed exist as a read/write property on many HTMLElements, we should take advantage of it.
You can read more about the difference between attributes and properties here or here.
With this in mind, let's manipulate that title...
Get or Set...
Java 8 Iterable.forEach() vs foreach loop
... an optimization, but critical when you consider that some sequences (like reading the lines in a file) may have side-effects, or you may have an infinite sequence."
Might execute in parallel, which is a horrible, horrible thing for all but the 0.1% of your code that needs to be optimized. Any para...