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Escaping a forward slash in a regular expression
...s as the delimiter and therefore you don't need to escape it. But AFAIK in all languages, the only special significance the / has is it may be the designated pattern delimiter.
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How to wait for a keypress in R?
...would work with any input (not just numbers) if what="" were added to the call to scan. getGraphicsEvent only works on specific graphics devices on certain platforms (but if you are using one of those devices it works fine).
– Greg Snow
Mar 7 '13 at 22:36
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Android Studio: Javadoc is empty on hover
...ery short. Carefully moving the mouse down to the bottom of the hover page allowed me to resize it.
Even after resizing it though, I still see it return to it's tiny size quite often... I'm glad I have my docs back, even if it does mean dealing with this annoyance.
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How to copy text programmatically in my Android app?
... It doens't work, because the compiler throws an error: Call requires API level 11 (current min is 7): android.content.ClipboardManager#setPrimaryClip line 245 Android Lint Problem.
– JavaRunner
Oct 11 '12 at 20:09
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Select objects based on value of variable in object using jq
...t work: termux-contact-list |jq -r '.[] | select(.name=="$1")|.number'. I call it like cool_fn Name1. However, this works: termux-contact-list |jq -r '.[] | select(.name=="Name1")|.number'
– Timo
Aug 18 '18 at 8:13
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How to implement classic sorting algorithms in modern C++?
... transparent comparators of the form std::less<> that act polymorphically on their arguments. This avoids having to provide an iterator's type. This can be used in combination with C++11's default function template arguments to create a single overload for sorting algorithms that take < as ...
Commenting multiple lines in DOS batch file
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Wow, didn't know notepad++ has such a nice feature! Actually really missed it because I'm used to `Ctrl+7' in Eclipse. Voted up to 42 ;)
– Danny Lo
Dec 6 '15 at 14:45
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Check if an apt-get package is installed and then install it if it's not on Linux
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To check if packagename was installed, type:
dpkg -s <packagename>
You can also use dpkg-query that has a neater output for your purpose, and accepts wild cards, too.
dpkg-query -l <packagename>
To find what package owns the command, try:
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emacs, unsplit a particular window split
This may be stupid question, but I could not find direct solution to this. I often want to unsplit window as follows
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What is meant by “managed” vs “unmanaged” resources in .NET?
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The term "unmanaged resource" is usually used to describe something not directly under the control of the garbage collector. For example, if you open a connection to a database server this will use resources on the server (for maintaining the connection) and po...