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What's the difference between a file descriptor and file pointer?
...ot. In practice, you want to use FILE * almost always when you are reading from a 'real' file (ie. on the drive), unless you know what you are doing or unless your file is actually a socket or so..
You can get the file descriptor from the FILE * using fileno() and you can open a buffered FILE * fro...
What permission do I need to access Internet from an Android application?
... without saying so in their manifests? That is, if Janusz ran the same app from the question in today's phones, it would not have failed the way it did when the question was asked?
– Rob Kennedy
Jan 19 '15 at 23:53
...
Check free disk space for current partition in bash
...
207
Yes:
df -k .
for the current directory.
df -k /some/dir
if you want to check a specific d...
Spring Boot application as a Service
...yapp.jar /etc/init.d/myapp
OR
sudo ln -s ~/myproject/build/libs/myapp-1.0.jar /etc/init.d/myapp_servicename
After that you can do the usual
/etc/init.d/myapp start
Then setup a link in whichever runlevel you want the app to start/stop in on boot if so desired.
As a systemd service
To ru...
StatusbarTools 扩展 - 状态栏自定义工具 · App Inventor 2 中文网
...置状态栏的背景颜色，使用十六进制颜色值，例如 “#FF0000” 表示红色。
透明背景
设置状态栏背景是否透明。true为透明，false为不透明。
图标颜色
设置状态栏图标的颜色。可选值为 “Light”（浅色）或 “Dark”（深色）...
Best practices for Storyboard login screen, handling clearing of data upon logout
...te.m inside your didFinishLaunchingWithOptions
//authenticatedUser: check from NSUserDefaults User credential if its present then set your navigation flow accordingly
if (authenticatedUser)
{
self.window.rootViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundl...
What is the difference between linear regression and logistic regression?
...As regression might actually
produce probabilities that could be less than 0, or even bigger than
1, logistic regression was introduced.
Source: http://gerardnico.com/wiki/data_mining/simple_logistic_regression
Outcome
In linear regression, the outcome (dependent variable) is continuous.
It can...
Getting the PublicKeyToken of .Net assemblies
...ing to your Visual Studio version and Operating System Architecture :
VS 2008 on 32bit Windows :
"%ProgramFiles%\Microsoft SDKs\Windows\v6.0A\bin\sn.exe" -T <assemblyname>
VS 2008 on 64bit Windows :
"%ProgramFiles(x86)%\Microsoft SDKs\Windows\v6.0A\bin\sn.exe" -T <assemblyname>
VS...
How can I convert a string to boolean in JavaScript?
...
204
myValue === 'true'; is precisely equivalent to myValue == 'true';. There is no benefit in using === over == here.
– T...
Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
... install the appropriate package to the system (using package manager // from sources // another way)
What is cc1:
cc1 is the internal command which takes preprocessed C-language files and converts them to assembly. It's the actual part that compiles C. For C++, there's cc1plus, and other internal ...