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Why would I ever use push_back instead of emplace_back?
... A good example of an implicit constructor is the conversion from std::uint32_t to std::uint64_t. A bad example of an implicit conversion is double to std::uint8_t.
We want to be cautious in our programming. We do not want to use powerful features because the more powerful the feature, the easier i...
Android Studio could not find any version that matches com.android.support:appcompat-v7:+
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Open SDK Manager.exe in your Android Studio folder and install a matching API.
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How does this code generate the map of India?
..., decimal 33 is ASCII for '!'. Toggling the low-order bit of 33 gives you 32, which is ASCII for a space. This causes ! to be printed if b is odd, and a blank space to be printed if b is even. The rest of the code is simply there to walk the "pointer" a through the string.
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How to take screenshot with Selenium WebDriver
...t does the same thing.
There are also methods for: .get_screenshot_as_base64() (for embedding in html) and .get_screenshot_as_png()(for retrieving binary data).
and Note that WebElements have a .screenshot() method that works similarly, but only captures the selected element.
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Node.js: what is ENOSPC error and how to solve?
... It's not a random number. Each used inotify watch takes up 540 bytes (32-bit system), or 1 kB (double - on 64-bit). This comes out of kernel memory, which is unswappable. So, assuming you set the max at 524288, and all were used (improbable), you'd be using approx. 256MB/512MB of 32-bit/64-bit ...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE
To resolve this issue you have a few options:
Add ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future to your compile flags.
Pass CFL...
Installing SciPy and NumPy using pip
...wise.
– Mark Amery
Mar 14 '16 at 11:32
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How do I create a unique ID in Java? [duplicate]
...erkinsaperkins
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How to determine the current shell I'm working on
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There are three approaches to finding the name of the current shell's executable:
Please note that all three approaches can be fooled if the executable of the shell is /bin/sh, but it's really a renamed bash, for example (which frequently happens).
Thus your second question of whether ps outp...
What port is a given program using? [closed]
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netstat -b -a lists the ports in use and gives you the executable that's using each one. I believe you need to be in the administrator group to do this, and I don't know what security implications there are on Vista.
I usually add -n as well to make it a little faster, but addin...