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How to place the ~/.composer/vendor/bin directory in your PATH?
I'm on Ubuntu 14.04 and I've been trying all possible methods to install Laravel to no avail. Error messages everything I try. I'm now trying the first method in the quickstart documentation, that is, via Laravel Installer, but it says to "Make sure to place the ~/.composer/vendor/bin directory in...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
...e runs R in a docker environment (under root), try to run R with below command,
LC_ALL=C.UTF-8 R
# instead of just `R`
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How can I reverse the order of lines in a file?
...
BSD tail:
tail -r myfile.txt
Reference: FreeBSD, NetBSD, OpenBSD and OS X manual pages.
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BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...银行取钱，然后给你（使用异步IO时，Java将IO读写委托给OS处理，需要将数据缓冲区地址和大小传给OS(银行卡和密码)，OS需要支持异步IO操作API）；
阻塞 ： ATM排队取款，你只能等待（使用阻塞IO时，Java调用会一直阻塞到读写完...
Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
...nv PRODUCTS_PATH /Users/mortimer/Projects/my_products
launchctl setenv ANDROID_NDK_HOME /Applications/android-ndk
launchctl setenv PATH $PATH:/Applications/gradle/bin
</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
You c...
Pandas: Looking up the list of sheets in an excel file
The new version of Pandas uses the following interface to load Excel files:
6 Answers
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When is a C++ destructor called?
...arge enough to hold 5 Foo objects.
int n = 5;
char *chunk = static_cast<char*>(::operator new(sizeof(Foo) * n));
// Use placement new to construct Foo instances at the right places in the chunk.
for(int i=0; i<n; ++i)
{
new (chunk + i*sizeof(Foo)) Foo(i);
}
...
Static method behavior in multi-threaded environment in java
There's a simple stupid question that bother me and make several arguments in my mind.
I want to throw out all the doubts about below questions.
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What is the difference between a thread and a fiber?
What is the difference between a thread and a fiber? I've heard of fibers from ruby and I've read heard they're available in other languages, could somebody explain to me in simple terms what is the difference between a thread and a fiber.
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Android get free size of internal/external memory
...urpose :
public static boolean externalMemoryAvailable() {
return android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
}
public static String getAvailableInternalMemorySize() {
File path = Environment.getDataDirecto...