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Unix shell script find out which directory the script file resides?
...uld get what you need like this:
#!/usr/bin/env bash
BASEDIR=$(dirname "$0")
echo "$BASEDIR"
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How to create cron job using PHP?
...ask. They are as follows:
Minutes represents the minutes of a given hour, 0-59 respectively.
Hours represents the hours of a given day, 0-23 respectively.
Days represents the days of a given month, 1-31 respectively.
Months represents the months of a given year, 1-12 respectively.
Day of the Week r...
How to ignore user's time zone and force Date() use specific time zone
In an JS app, I receive timestamp (eq. 1270544790922 ) from server (Ajax).
7 Answers
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Arduino 101 实验00 - 环境搭建（烧一次固件，后面全部实验通用） · App I...
... 搜索 Arduino 101 实验00 - 环境搭建（烧一次固件，后面全部实验通用）
实验00：环境搭建
这一篇做完你会得到什么
一、器材清单
二、...
Remove useless zero digits from decimals in PHP
...
$num + 0 does the trick.
echo 125.00 + 0; // 125
echo '125.00' + 0; // 125
echo 966.70 + 0; // 966.7
Internally, this is equivalent to casting to float with (float)$num or floatval($num) but I find it simpler.
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Altering a column: null to not null
...is undesirable for several reasons, so I am looking to update all nulls to 0 and then set these columns to NOT NULL . Aside from changing nulls to 0 , data must be preserved.
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Get value from SimpleXMLElement Object
...ave to cast simpleXML Object to a string.
$value = (string) $xml->code[0]->lat;
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Javascript : natural sort of alphanumerical strings
...d in Chrome, Firefox, and IE11.
Here's an example. It returns 1, meaning 10 goes after 2:
'10'.localeCompare('2', undefined, {numeric: true, sensitivity: 'base'})
For performance when sorting large numbers of strings, the article says:
When comparing large numbers of strings, such as in sor...
How to set or change the default Java (JDK) version on OS X?
...tput something like the following:
Matching Java Virtual Machines (3):
1.8.0_05, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdk/Contents/Home
1.6.0_65-b14-462, x86_64: "Java SE 6" /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
1.6.0_65-b14-462, i386: "Jav...
How to get Linux console window width in Python
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answered Jun 3 '09 at 9:59
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