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How to combine multiple conditions to subset a data-frame using “OR”?
... I intended, since ...
> NA & 1
[1] NA
> 0 & NA
[1] FALSE
Order of arguments may matter when using '&".
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C# DLL config file
...ke use of .NET's XML schema, config section and config element mechanisms, etc. This entails creating an ExeConfigurationFileMap object, loading in the data to identify where the config file will be stored, and then calling ConfigurationManager.OpenMappedExeConfiguration to open it up into a new Co...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...les for when you can omit (omit) parentheses, dots, braces, = (functions), etc.?
6 Answers
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Automatically start forever (node) on system restart
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This case is valid for Debian.
Add the following to /etc/rc.local
/usr/bin/sudo -u {{user}} /usr/local/bin/forever start {{app path}}
{{user}} replaces your username.
{{app path}} replaces your app path. For example, /var/www/test/app.js
...
How can I calculate the number of lines changed between two commits in git?
...han what he mentions. Since git log internally calls the diff machinery in order to print requested information, you can give it any of the diff stat options - not just --shortstat. What you likely want to use is:
git log --author="Your name" --stat <commit1>..<commit2>
but you can us...
How do I assert an Iterable contains elements with a certain property?
...e(2)
.extracting(MyItem::getName)
.containsExactlyInAnyOrder("foo", "bar");
containsExactlyInAnyOrder() asserts that the list contains only these values whatever the order.
To assert that the list contains these values whatever the order but may also contain other values u...
How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
...version:) can be used in conjunction with JSONDecoder's decode(_:from:) in order to deserialize a JSON string into a dictionary.
Furthermore, with Swift 3 and Swift 4, String's data(using:allowLossyConversion:) can also be used in conjunction with JSONSerialization's jsonObject(with:options:...
Differences between C++ string == and compare()?
...to one another" -- although idiomatic C++ for this is to use a strict weak order (like std::less, which is also a total order in this case) rather than a three-way comparator. compare() is for operations modeled on std::qsort and std::bsearch, as opposed to those modeled on std:sort and std::lower_b...
PHP code is not being executed, instead code shows on the page
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I'm running Apache on Ubuntu and my issue was that the /etc/apache2/mods-available/php5.conf file was missing this:
<FilesMatch ".+\.ph(p[345]?|t|tml)$">
SetHandler application/x-httpd-php
</FilesMatch>
I added it back in and php was parsing php files correctly....
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清泛网移动版 - 专注IT技能提升
... in time (JIT) debugger if such a debugger is installed on the system.
In order to test the code, we will simulate a null pointer invalid access like this:
int main()
{
::SetUnhandledExceptionFilter(OurCrashHandler);
std::cout << "Normal null pointer crash" << std::endl;
char...