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Regex Pattern to Match, Excluding when… / Except between
...four very simple expressions.
For flavors that support free-spacing, this reads particularly well.
(?mx)
### s1: Match line that ends with a period ###
^.*\.$
| ### OR s2: Match anything between parentheses ###
\([^\)]*\)
| ### OR s3: Match any if(...//endif block ###
if\(.*?//e...
Current time in microseconds in java
...ay be inaccurate, just approximations, adrift from actual time as might be read from an atomic clock. In other words, just because you see a bunch of digits to the right of the decimal mark does not mean you can trust the elapsed time between such readings to be true to that minute degree.
...
iOS: Use a boolean in NSUserDefaults
...@"logged_in"];
[[NSUserDefaults standardUserDefaults] synchronize];
and read it by using this code:
if(![[NSUserDefaults standardUserDefaults] boolForKey:@"logged_in"]) {
[self displayLogin];
} else {
[self displayMainScreen];
}
...
Is it secure to store passwords as environment variables (rather than as plain text) in config files
...aintext files, but likely are worse. With plaintext files you can set the read permissions on the files/directories to protect them. IIRC for environment variables, they live in the memory space for the shell process, so an enterprising cracker could scan that space looking for them.
...
Any reason to prefer getClass() over instanceof when generating .equals()?
...
exactly that came to my mind when i read the josh bloch quote above. +1 :)
– Johannes Schaub - litb
Feb 27 '09 at 21:43
13
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ExecJS::RuntimeError on Windows trying to follow rubytutorial
...d up installing Node.js and using that instead of the JavaScript runtime already on their system. While that is a valid option, it also requires additional software and only avoids the original issue, which is that ExecJS is not working properly with the JavaScript runtime already on your system. ...
How do I iterate over a range of numbers defined by variables in Bash?
...something: Bash allows for ((expr;expr;expr)) constructs. Since I've never read the whole man page for Bash (like I've done with the Korn shell (ksh) man page, and that was a long time ago), I missed that.
So,
typeset -i i END # Let's be explicit
for ((i=1;i<=END;++i)); do echo $i; done
seems...
count members with jsonpath?
...ge':'28'}";
int length = JsonPath
.parse(jsonString)
.read("$.length()");
assertThat(length).isEqualTo(3);
}
Or simply parsing to net.minidev.json.JSONObject and get the size:
@Test
public void givenJson_whenParseObject_thenGetSize() {
String jsonString = "{'username...
Git Ignores and Maven targets
...ignore files. Indeed, if you look in the gitignore man page:
Patterns read from a .gitignore file
in the same directory as the path, or
in any parent directory…
So this should work for you.
share
|
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Queue.Queue vs. collections.deque
I need a queue which multiple threads can put stuff into, and multiple threads may read from.
7 Answers
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