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Bash script to calculate time elapsed
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Either $(()) or $[] will work for computing the result of an arithmetic operation. You're using $() which is simply taking the string and evaluating it as a command. It's a bit of a subtle distinction. Hope this helps.
As tink pointed out in the com...
How to print to the console in Android Studio?
...downloaded Android Studio for Linux from:
http://developer.android.com/sdk/installing/studio.html
7 Answers
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How to match, but not capture, part of a regex?
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The only way not to capture something is using look-around assertions:
(?<=123-)((apple|banana)(?=-456)|(?=456))
Because even with non-capturing groups (?:…) the whole regular expression captures their matched contents. But this regular expression matches only apple ...
How to create an AVD for Android 4.0
...now released. I have just updated my ADT plugin and downloaded the 4.0 SDK. But when I try to create an AVD for Android 4.0, Eclipse tells me 'Unable to find a 'userdata.img' file for ABI armeabi to copy into the AVD folder'.
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...能对需要这些资料的人有所帮助。
AMDisbetter! ---- 早期AMD K5芯片的工程样品芯片
AuthenticAMD ---- AMD
CentourHauls ---- Centour
CyrixInstead ---- Cyrix
GenuineTMx86 或 TransmetaCPU ---- Transmeta
Geode by NSC ---- National Semiconductor
NexGenDriven ---- NexGen
SiS S...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
...metic type that satisfies all of the properties of real arithmetic that we know and love. The 754 committee has to decide to bend or break some of them. This is guided by some pretty simple principles:
When we can, we match the behavior of real arithmetic.
When we can't, we try to make the viola...
Who is listening on a given TCP port on Mac OS X?
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The -n flag is for displaying IP addresses instead of host names. This makes the command execute much faster, because DNS lookups to get the host names can be slow (several seconds or a minute for many hosts).
The -P flag is for displaying raw port numbers instead of resolved names like http, ftp...
Can iterators be reset in Python?
...eset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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How can I select all children of an element except the last child?
...-child pseudo-class. Being introduced CSS Selectors Level 3, it doesn't work in IE8 or below:
:not(:last-child) { /* styles */ }
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Use a URL to link to a Google map with a marker on it
I want to link to google maps at a particular location with a marker on a particular point.
5 Answers
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