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Reading large text files with streams in C#
...ask of working out how to handle large files being loaded into our application's script editor (it's like VBA for our internal product for quick macros). Most files are about 300-400 KB which is fine loading. But when they go beyond 100 MB the process has a hard time (as you'd expect).
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How to access test resources in Scala?
...ME/src/test/resources/, you can access it in a test like so:
import scala.io.Source
// The string argument given to getResource is a path relative to
// the resources directory.
val source = Source.fromURL(getClass.getResource("/data.xml"))
Of course that source is now just a normal Scala IO obj...
How to read a .xlsx file using the pandas Library in iPython?
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I usually create a dictionary containing a DataFrame for every sheet:
xl_file = pd.ExcelFile(file_name)
dfs = {sheet_name: xl_file.parse(sheet_name)
for sheet_name in xl_file.sheet_names}
Update: In pandas version 0.21.0+ you will ...
How do I create directory if it doesn't exist to create a file?
... to the file.
....Or, If it exists, then create (else do nothing)
System.IO.FileInfo file = new System.IO.FileInfo(filePath);
file.Directory.Create(); // If the directory already exists, this method does nothing.
System.IO.File.WriteAllText(file.FullName, content);
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Read properties file outside JAR file
...her than as a resource of the main/runnable jar. In that case, my own solution is as follows:
First thing first: your program file architecture shall be like this (assuming your main program is main.jar and its main properties file is main.properties):
./ - the root of your program
|__ main.jar
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Convert NSArray to NSString in Objective-C
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NSString * result = [[array valueForKey:@"description"] componentsJoinedByString:@""];
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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...为交互操作而生的，所以实现并不考虑生产安全性，也不怎么在乎性能损耗。一般它的性能损耗是极大的。同时 GDB 所基于的 ptrace 这种很古老的系统调用，其中的坑和问题也非常多。比如 ptrace 需要改变目标调试进程的父亲，还...
How do I animate constraint changes?
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Two important notes:
You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed
You need to call it specifically on the parent view (e.g. self.view), not th...
How to get temporary folder for current user
Currently I am using following function to get the temporary folder path for current user:
4 Answers
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UITextField border color
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In iOS 7 you must set a border width or the color does not take effect.
– Micah
Mar 26 '14 at 19:46
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