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Hidden features of Perl?
... share
answered Oct 2 '08 at 12:41
community wiki
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Replace a character at a specific index in a string?
...r replaced.
String myName = "domanokz";
String newName = myName.substring(0,4)+'x'+myName.substring(5);
Or you can use a StringBuilder:
StringBuilder myName = new StringBuilder("domanokz");
myName.setCharAt(4, 'x');
System.out.println(myName);
...
How can I use break or continue within for loop in Twig template?
...break %}
<h2>{{ post.heading }}</h2>
{% if post.id == 10 %}
{% set break = true %}
{% endif %}
{% endfor %}
An uglier, but working example for continue:
{% set continue = false %}
{% for post in posts %}
{% if post.id == 10 %}
{% set continue = true %}
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Is the ternary operator faster than an “if” condition in Java [duplicate]
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106
Does it matter which I use?
Yes! The second is vastly more readable. You are trading one l...
How to detect shake event with android?
... curTime = System.currentTimeMillis();
// only allow one update every 100ms.
if ((curTime - lastUpdate) > 100) {
long diffTime = (curTime - lastUpdate);
lastUpdate = curTime;
x = values[SensorManager.DATA_X];
y = values[SensorManager.DATA_Y];
z = values[Sens...
What purpose does a tag serve inside of a tag?
... processRaw(html);
}
}
function isListed(a, b) {
for (var i = 0; i < b.length; i++) {
if (a.indexOf(b[i]) !== -1) {
return true;
}
}
return false;
}
function webfontsReady() {
JS.fireCustom("webfontsReady");
}
function processRaw(html) {
...
Regex for splitting a string using space when not surrounded by single or double quotes
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+200
I don't understand why all the others are proposing such complex regular expressions or such long code. Essentially, you want to gra...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...syscalls:sys_enter_open]: 576
@[tracepoint:syscalls:sys_enter_openat]: 1260
4、自带现成的脚本工具（没有的话请安装 zypper in bpftrace-tools），跟踪每个系统调用开始及结束位置：
# /usr/share/bpftrace/tools/opensnoop.bt
Attaching 6 probes...
Tracing open syscal...
Bubble Sort Homework
... sorted = True # Assume the list is now sorted
for element in range(0, length):
if badList[element] > badList[element + 1]:
sorted = False # We found two elements in the wrong order
hold = badList[element + 1]
badList[element + 1] = badList[elem...
docker mounting volumes on host
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answered Aug 14 '14 at 16:10
Chris McKinnelChris McKinnel
12.4k66 gold badges5959 silver badges6565 bronze badges
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