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Changing all files' extensions in a folder with one command on Windows
How can I use the Windows command line to change the extensions of thousands of files to *****.jpg ?
11 Answers
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log4j configuration via JVM argument(s)?
...operly I mean not complain and print to the console. Can I see a typical example?
8 Answers
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How can I increment a char?
...in loops, it's very useful to me to be able to do increment chars, and index arrays by chars.
6 Answers
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Call static method with reflection
...dMacroRunnerList() {
macroRunners = System.Reflection.Assembly.GetExecutingAssembly()
.GetTypes()
.Where(x => x.Namespace.ToUpper().Contains("MACRO"))
.Select(t => (Action)Delegate.CreateDelegate(
typeof(Action),
null...
Mercurial for Beginners: The Definitive Practical Guide
...w do you configure it to ignore files?
Ignore is configured in a normal text file called .hgignore in the root of your repository. Add it just like a normal file with:
hg add .hgignore
There are two syntax options available for file matching, glob and regexp. glob is unix-like filename expansion...
Run a string as a command within a Bash script
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You can use eval to execute a string:
eval $illcommando
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How to set up Spark on Windows?
...achine is running Windows, I'd strongly suggest you install Spark on a linux virtual machine. The simplest way to get started probably is to download the ready-made images made by Cloudera or Hortonworks, and either use the bundled version of Spark, or install your own from source or the compiled bi...
Find unique rows in numpy.array
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As of NumPy 1.13, one can simply choose the axis for selection of unique values in any N-dim array. To get unique rows, one can do:
unique_rows = np.unique(original_array, axis=0)
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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 1. 简单的潜在堆内存丢失和缓冲区覆盖
void f1(char *explanation)
{
char p1;
p1 = malloc(100);
(void) sprintf(p1,
"The f1 error occurred because of '%s'.",
explanation);
local_log(p1...
How do I search within an array of hashes by hash values in ruby?
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Is it possible to return the index of where this was found in the original array of hashes?
– Ian Warner
Oct 18 '16 at 16:42
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