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Which is more efficient, a for-each loop, or an iterator?
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If you are just wandering over the collection to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater.
If however, you mean by loop the ...
What is “android.R.layout.simple_list_item_1”?
I've started learning Android development and am following a todolist example from a book:
7 Answers
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Printing 1 to 1000 without loop or conditionals
... address hence evading the pointer errors.
This version of the above in standard C, since it doesn't rely on arithmetic on function pointers:
#include <stdio.h>
#include <stdlib.h>
void f(int j)
{
static void (*const ft[2])(int) = { f, exit };
printf("%d\n", j);
ft[j/1000...
JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...() 实现文字向上滚动效果。这里介绍一下实现原理：function startmarquee(lh,speed,delay,index){ *函数startmarquee的参数： jquery.sgallery.js 里面有现成的函数 startmarquee() 实现文字向上滚动效果。
这里介绍一下实现原理：
function startmarque...
How to detect page zoom level in all modern browsers?
I need this because some of my calculations are pixel-based and they may fluctuate when zoomed.
28 Answers
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Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key
# Lifetime and size of ephemeral version 1 server key
#KeyRegenerationInterval 1h
#ServerKeyBits 1024
# Ciphers and keying
#RekeyLimit default none
# Logging
# obsoletes QuietMode and FascistLogging
#SyslogFacility AUTH
Sysl...
source command not found in sh shell
...hat uses sh shell. I get an error in the line that uses the source command. It seems source is not included in my sh shell.
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Remove a fixed prefix/suffix from a string in Bash
In my bash script I have a string and its prefix/suffix. I need to remove the prefix/suffix from the original string.
9 A...
Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
I wanted to track the performance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute.
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