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Java “params” in method signature?
...ct... bar) {
for (Object baz : bar) {
System.out.println(baz.toString());
}
}
The vararg parameter must always be the last parameter in the method signature, and is accessed as if you received an array of that type (e.g. Object[] in this case).
...
How to preserve line breaks when storing a command output to a variable in bash?
... (one of which is a newline). Then, before invoking echo shell splits that string into multiple arguments using the Internal Field Separator (IFS), and passes that resulting list of arguments to echo. By default, the IFS is set to whitespace (spaces, tabs, and newlines), so the shell chops your $TEM...
Equivalent of varchar(max) in MySQL?
... but a varchar also includes a byte or two to encode the length of a given string. So you actually can't declare a varchar of the maximum row size, even if it's the only column in the table.
mysql> CREATE TABLE foo ( v VARCHAR(65534) );
ERROR 1118 (42000): Row size too large. The maximum row siz...
Getting the return value of Javascript code in Selenium
...
To return a value, simply use the return JavaScript keyword in the string passed to the execute_script() method, e.g.
>>> from selenium import webdriver
>>> wd = webdriver.Firefox()
>>> wd.get("http://localhost/foo/bar")
>>> wd.execute_script("return 5")
...
Regular expression to limit number of characters to 10
...
It might be beneficial to add greedy matching to the end of the string, so you can accept strings > than 10 and the regex will only return up to the first 10 chars. /^[a-z0-9]{0,10}$?/
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Standard Android Button with a different color
...ight="wrap_content"
android:layout_gravity="center"
android:text="@string/sign_in_facebook"
android:textColor="@android:color/white"
android:theme="@style/Facebook.Button" />
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Git resolve conflict using --ours/--theirs for all files
...subdirectories recursively (the -r flag) looking for conflict markers (the string '<<<<<<<')
the -l or --files-with-matches flag causes grep to output only the filename where the string was found. Scanning stops after first match, so each matched file is only output once.
The...
What predefined macro can I use to detect clang?
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Found the answer using strings + grep :
$ strings /usr/bin/clang | grep __ | grep -i clang
__clang__
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What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...PTY_SET;
Map map = Collections.EMPTY_MAP;
As compared to:
List<String> s = Collections.emptyList();
Set<Long> l = Collections.emptySet();
Map<Date, String> d = Collections.emptyMap();
shar...
How to tell if JRE or JDK is installed
...an be inferred (most of the time)...
public static boolean isJDK() {
String path = System.getProperty("sun.boot.library.path");
if(path != null && path.contains("jdk")) {
return true;
}
return false;
}
However... on Linux this isn't as reliable... For example...
...