大约有 45,000 项符合查询结果（耗时：0.0695秒） [XML]
Path to Powershell.exe (v 2.0)
...s it's 2.0.
Another option is type $PSVersionTable at the command prompt. If you are running v2.0, the output will be:
Name Value
---- -----
CLRVersion 2.0.50727.4927
BuildVersion 6.1.7600.16385
PSVersion ...
Order a MySQL table by two columns
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hahaha .... not is a good query, because if you try, never can reorder the "empty" values category... nice try in 2009 .. but in 2015 don't work correctly ;), The correct is "3" or "2" sub query
– user3402040
Feb 4 '16 at 15:38...
R - Concatenate two dataframes?
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If you're getting the union of more than 2 data frames, you can use Reduce(rbind, list_of_data_frames) to mash them all together!
– Yourpalal
Aug 13 '15 at 21:12
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ArrayList initialization equivalent to array initialization [duplicate]
... @maerics, it's also worth mentioning that Arrays.asList() return an unmodifiable collection. :)
– Konstantin Yovkov
Oct 9 '13 at 9:46
12
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Can you 'exit' a loop in PHP?
... 'three', 'four', 'stop', 'five');
while (list(, $val) = each($arr)) {
if ($val == 'stop') {
break; /* You could also write 'break 1;' here. */
}
echo "$val<br />\n";
}
share
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What's the difference between MemoryCache.Add and MemoryCache.Set?
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Add does nothing (returns false) if there is already a value for that key. Set does an insert or update, as necessary.
Remove + Add would leave a gap in the middle when another thread querying that key would get no clue (Set does not; the swap is typically ...
Entity Framework. Delete all rows in table
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Note that while the [ escapes here are specific to SQL Server, the TRUNCATE command is not - it's part of ANSI SQL and so will work in most SQL dialects (though not SQLite).
– Mark Amery
Feb 4 '18 at 19:13
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
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ModelState.IsValid tells you if any model errors have been added to ModelState.
The default model binder will add some errors for basic type conversion issues (for example, passing a non-number for something which is an "int"). You can populate ModelSta...
Unable to load SOS in WinDbg
...SOS you need to adjust your .loadby command. I.e.
.loadby sos clr
Also, if you're on 64 bit, you should install the 32 bit version of Debugging Tools for Windows as well in order to debug 32 bit apps. They install side-by-side, so there's no problem in having both the 32 bit and the 64 bit versio...
POST data in JSON format
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Not sure if you want jQuery.
var form;
form.onsubmit = function (e) {
// stop the regular form submission
e.preventDefault();
// collect the form data while iterating over the inputs
var data = {};
for (var i = 0, ii = fo...