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To underscore or to not to underscore, that is the question
...cipe for confusion if they differ only by case. It's just too easy to mis-read or mis-type if the only difference is the initial capital.
– ChrisA
Jan 16 '09 at 12:30
2
...
What is object serialization?
...t serialized.
Here is a very basic sample with comments to facilitate its reading:
import java.io.*;
import java.util.*;
// This class implements "Serializable" to let the system know
// it's ok to do it. You as programmer are aware of that.
public class SerializationSample implements Serializabl...
Select n random rows from SQL Server table
...IME ON
SET STATISTICS IO ON
/* newid()
rows returned: 10000
logical reads: 3359
CPU time: 3312 ms
elapsed time = 3359 ms
*/
SELECT TOP 1 PERCENT Number
FROM Numbers
ORDER BY newid()
/* TABLESAMPLE
rows returned: 9269 (varies)
logical reads: 32
CPU time: 0 ms
elapsed time: 5...
Loop through an array of strings in Bash?
...ee")
# get length of an array
arraylength=${#array[@]}
# use for loop to read all values and indexes
for (( i=1; i<${arraylength}+1; i++ ));
do
echo $i " / " ${arraylength} " : " ${array[$i-1]}
done
Output:
1 / 3 : one
2 / 3 : two
3 / 3 : three
...
Exploitable PHP functions
...d RATS. I have also added some of my own to the mix and people on this thread have helped out.
Edit: After posting this list I contacted the founder of RIPS and as of now this tools searches PHP code for the use of every function in this list.
Most of these function calls are classified as Sinks...
What's the difference between the atomic and nonatomic attributes?
... getter or set by the setter, regardless of setter activity on any other thread. That is, if thread A is in the middle of the getter while thread B calls the setter, an actual viable value -- an autoreleased object, most likely -- will be returned to the caller in A.
In nonatomic, no such guarant...
How to get an object's property's value by property name?
...your question and explain why he should try this and why it improves the already existing answers.
– T3 H40
Jan 15 '16 at 14:41
...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...tetime or datetimeoffset, that stores the result of first date + timespan. Reading from the db is a matter of TimeSpan x = SecondDate - FirstDate. Using this option will protect you for other non .NET data access libraries access the same data but not understanding TimeSpans; in case you have such a...
What does “use strict” do in JavaScript, and what is the reasoning behind it?
... are dynamically scoped. This is
confusing, making programs difficult to read and understand.
Misunderstanding causes bugs. It also is a problem for performance.
Static scoping would permit variable binding to happen at compile
time, but the requirement for dynamic scope means the binding mu...
How to replace spaces in file names using a bash script
... rename (aka prename) which is a Perl script which may be on your system already. Do it in two steps:
find -name "* *" -type d | rename 's/ /_/g' # do the directories first
find -name "* *" -type f | rename 's/ /_/g'
Based on Jürgen's answer and able to handle multiple layers of files and dir...