大约有 40,000 项符合查询结果（耗时：0.0555秒） [XML]
p vs puts in Ruby
...> 42
p t => #<T:0xb7ecc8b0 @i=42>
This follows directly from the .inspect call, but is not obvious in practice.
share
|
improve this answer
|
follow
...
The request was aborted: Could not create SSL/TLS secure channel
...
I finally found the answer (I haven't noted my source but it was from a search);
While the code works in Windows XP, in Windows 7, you must add this at the beginning:
// using System.Net;
ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = SecurityProtoc...
How to get a list of current open windows/process with Java?
...
This is another approach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = in...
npm check and update package if needed
... npm update will not update your package.json file as stated by the answer from @Erik Olson.
– Ehtesham Hasan
Oct 26 '17 at 19:00
6
...
Copy entire contents of a directory to another using php
...
Apart from that, commandline controls from a PHP file can be a big problem when someone find a way to get a file on your server.
– Martijn
Feb 21 '14 at 13:41
...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...
It causes due to retaining the self in the block. Block will accessed from self, and self is referred in block. this will create a retain cycle.
Try solving this by create a weak refernce of self
__weak typeof(self) weakSelf = self;
operationManager = [[AFHTTPRequestOperation alloc] initWith...
How to calculate the number of occurrence of a given character in each row of a column of strings?
...ng, fixed = "a")
# [1] 2 1 0
benchmark
Compared to the fastest approach from @42-'s answer and to the equivalent function from the stringr package for a vector with 30.000 elements.
library(microbenchmark)
benchmark <- microbenchmark(
stringi = stringi::stri_count(test.data$string, fixed =...
How can I generate an MD5 hash?
...
From Java 11 on, you can use hashtext = "0".repeat(32 - hashtext.length()) + hashtext instead of the while, so the editors won't give you a warning that you're doing string concatenation inside a loop.
–...
How do I compare two DateTime objects in PHP 5.2.8?
...
From php.net/manual/en/language.operators.comparison.php Built-in classes can define its own comparison, different classes are uncomparable, same class - compare properties the same way as arrays (PHP 4), PHP 5 has its own ex...
Changing every value in a hash in Ruby
...inject(my_hash){ |h,(k,str)| h[k]="%#{str}%"; h }, have to return the hash from the block
– aceofspades
Sep 25 '12 at 23:57
1
...