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Changing java platform on which netbeans runs
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I keep getting error Invalid jdkhome specified --------------------------- Cannot locate java installation in specified jdkhome: C:\Program Files (x86)\Java\jdk1.5.0_03\bin"; Do you want to try to use default version?"
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dplyr: “Error in n(): function should not be called directly”
... to reproduce one of the examples in the dplyr package but am getting this error message. I am expecting to see a new column n produced with the frequency of each combination. What am I missing? I triple checked that the package is loaded.
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Curly braces in string in PHP
...to get a literal {$. Some examples to make it clear:
<?php
// Show all errors
error_reporting(E_ALL);
$great = 'fantastic';
// Won't work, outputs: This is { fantastic}
echo "This is { $great}";
// Works, outputs: This is fantastic
echo "This is {$great}";
echo "This is ${great}";
// Works
e...
getting the screen density programmatically in android?
...iately. Removing braces is a question of style only and IMHO makes it more error prone when maintaining the code.
– qwertzguy
Jul 1 '15 at 11:04
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What is Android keystore file, and what is it used for?
This is a general question, but particularly I am interested in it's use for Android. What is a keystore file, and what is it used for?
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What is the best way to compare floats for almost-equality in Python?
...s a good one), it's worth noting that the documentation also says: "Modulo error checking, etc, the function will return the result of..." In other words, the isclose function (above) is not a complete implementation.
– rkersh
Jul 14 '16 at 19:50
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How to re-create database for Entity Framework?
...-Database
7) Run your application
Note: In step 6 part 3, if you get an error "Cannot attach the file...", it is possibly because you didn't delete the database files completely in SQL Server.
share
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View a list of recent documents in Vim
...s in the link you supplied. Also attempting to use this command yields the error "Not an editor command". Why is this?
– chris
Feb 8 '11 at 17:46
1
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How do I update/upsert a document in Mongoose?
...a, {upsert: true}, function(err, doc) {
if (err) return res.send(500, {error: err});
return res.send('Succesfully saved.');
});
In older versions Mongoose does not support these hooks with this method:
defaults
setters
validators
middleware
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c++ 代码提升权限，请求管理员身份运行权限 - C/C++ - 清泛网 - 专注C/C++及内核技术
... if (!ShellExecuteEx(&sei)) {
DWORD dwStatus = GetLastError();
if (dwStatus == ERROR_CANCELLED) {
// The user refused to allow privileges elevation.
UpdateMessage(_T("用户拒绝安装，升级失败。"));
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