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What is the at sign (@) in a batch file and what does it do?
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Apparently this is obvious for everyone but I didn't know that this only works when executed from a .batfile, i.e. it doesn't work straight from the command line.
– doABarrelRoll721
Feb 22 '16 at 15:11
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Homebrew: List only installed top level formulas
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$ brew deps --installed
tmux: pkg-config libevent
q:
gdbm:
libxml2:
asciidoc: docbook
libevent:
pkg-config:
pcre:
docbook:
zsh: gdbm pcre
readline:
emacs: pkg-config
This seems to give us a list of all installed formulae including their dependencies. We can build a list of all formulae and a li...
Python string.join(list) on object array rather than string array
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any idea on which of them would be faster?
– gozzilli
Mar 23 '12 at 13:29
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What is the difference between Trap and Interrupt?
...is an exception in a user process. It's caused by division by zero or invalid memory access. It's also the usual way to invoke a kernel routine (a system call) because those run with a higher priority than user code. Handling is synchronous (so the user code is suspended and continues afterwards). I...
Android, How can I Convert String to Date?
...ort java.util.Date;
public class MyClass
{
public static void main(String args[])
{
SimpleDateFormat formatter = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy");
String dateInString = "Wed Mar 14 15:30:00 EET 2018";
SimpleDateFormat formatterOut = new Simple...
BroadcastReceiver with multiple filters or multiple BroadcastReceivers?
I have an Android Activity that needs to catch two different broadcasts. My current approach is to have a single BroadcastReceiver within the Activity and catch both the broadcasts with it:
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How to install Xcode Command Line Tools
...in Xcode.
Running the command in terminal produces the following GUI:
Inside Xcode (5.0)
Xcode includes a new "Downloads" preference pane to install optional components such as command line tools, and previous iOS Simulators. To open this pane click the "Xcode" button in the top left of the scre...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
I just discovered something weird about Android studio: it has some configuration options in the build.gradle file that override what is specified in the AndroidManifest.xml file.
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Pushing a local branch up to GitHub
... to push, git will not push your local branch.
Here is the message it provides:
warning: push.default is unset; its implicit value has changed in Git
2.0 from 'matching' to 'simple'. To squelch this message and maintain the traditional behavior, use:
git config --global push.default matc...
File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
There seems to be three identical ways to get the platform-dependent "file separator" platform-independently:
2 Answers
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