大约有 14,600 项符合查询结果（耗时：0.0198秒） [XML]
LINQ .Any VS .Exists - What's the difference?
...al != "sdsdf")
{
var s = string.Empty;
var start2 = DateTime.Now;
if (!list1.Exists(o => o == "0123456789012"))
{
var end2 = DateTime.Now;
s += " Exists: " + end2.Subtract(start2);
}
v...
How to run iPhone emulator WITHOUT starting Xcode?
...d Mac running Snow Leopard, I could type "ios" into spotlight and it would start up the iPhone/iPad emulator by itself.
18 ...
set DateTime to start of month
...
var now = DateTime.Now;
var startOfMonth = new DateTime(now.Year,now.Month,1);
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Best XML Parser for PHP [duplicate]
... if ($x_type == 'open')
$level[$x_level] = $x_tag;
$start_level = 1;
$php_stmt = '$xml_array';
if ($x_type=='close' && $x_level!=1)
$multi_key[$x_tag][$x_level]++;
while ($start_level < $x_level) {
$php_stmt .= '[$leve...
How to set a default value for a datetime column to record creation time in a migration?
...aside, be aware that in Postgres CURRENT_TIMESTAMP will be the time of the start of the current transaction, so multiple records created in the same transaction will get that same value. If you want the actual current time the statement executes (ignoring transaction context), check out CLOCK_TIMEST...
Is it possible to do start iterating from an element other than the first using foreach?
...n use foreach to traverse my tree. However as far as I know foreach always starts from the first element of the collection. I would like to choose from which element foreach starts. Is it possible to somehow change the element from which foreach starts?
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Best practice to run Linux service as a different user
Services default to starting as root at boot time on my RHEL box. If I recall correctly, the same is true for other Linux distros which use the init scripts in /etc/init.d .
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startsWith() and endsWith() functions in PHP
How can I write two functions that would take a string and return if it starts with the specified character/string or ends with it?
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Running two projects at once in Visual Studio
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Go to Solution properties → Common Properties → Startup Project and select Multiple startup projects.
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How can I build a small operating system on an old desktop computer? [closed]
...ating modes.
If you've got any electronics knowledge, it may be easier to start with writing an operating system for an embedded device that has ample documentation, because it will generally be simpler than an x86 PC. I've always wanted to write my own OS as well, and I'm starting with writing a m...