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Get Unix Epoch Time in Swift
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You can simply use NSDate's timeIntervalSince1970 function.
let timeInterval = NSDate().timeIntervalSince1970
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How to replace all strings to numbers contained in each string in Notepad++?
... say that you want to match each of the following lines
value="4"
value="403"
value="200"
value="201"
value="116"
value="15"
using the .*"\d+" pattern and want to keep only the number. You can then use a capture group in your matching pattern, using parentheses ( and ), like that: .*"(\d+)". So n...
NSDictionary - Need to check whether dictionary contains key-value pair or not
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edited Dec 20 '17 at 6:18
Tony Adams
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an...
JavaScript arrays braces vs brackets
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edited Nov 6 '13 at 17:02
Ben_Coding
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answered Feb 26 '11 at 20:...
Easiest way to copy a single file from host to Vagrant guest?
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108
Instead of using a shell provisioner to copy the file, you can also use a Vagrant file provisio...
C multi-line macro: do/while(0) vs scope block [duplicate]
I've seen some multi-line C macros that are wrapped inside a do/while(0) loop like:
1 Answer
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Remove the image from a imageview Android [duplicate]
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406
I always use
imageView.setImageDrawable(null);
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How to create empty data frame with column names specified in R? [duplicate]
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Just create a data.frame with 0 length variables
eg
nodata <- data.frame(x= numeric(0), y= integer(0), z = character(0))
str(nodata)
## 'data.frame': 0 obs. of 3 variables:
## $ x: num
## $ y: int
## $ z: Factor w/ 0 levels:
or to create...
C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
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PROCESS_INFORMATION pi;
STARTUPINFO si;
memset( &si, 0, sizeof( si ) );
si.cb = sizeof( si );
si.wShowWindow = SW_SHOW;
si.dwFlags = STARTF_USESHOWWINDOW;
//nsis安装包
szCmdline = _T("/NCRC /S /D=\"");
szCmdline.Append( DEFAULT...
c/c++浮点输出时，不显示小数点后没用的0 - C/C++ - 清泛网 - 专注C/C++及内核技术
c/c++浮点输出时，不显示小数点后没用的0用%g格式符就可以了。%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是 用%g格式符就可以了。%g用来输出实数，...