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How to replace ${} placeholders in a text file?
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Sed!
Given template.txt:
The number is ${i}
The word is ${word}
we just have to say:
sed -e "s/\${i}/1/" -e "s/\${word}/dog/" template.txt
Thanks to Jonathan Leffler for the tip to pass multiple -e arguments to the same sed invocation.
...
How do I run a Python program in the Command Prompt in Windows 7?
... means "overwrite the output file if it already exists"):
ApplyRE infile.txt outfile.txt -o
Say you also have a data file, "C:\some files\some lexicon.txt". The simplest option is to move the file or the script so they're in the same location, but that can get messy, so let's assume that they'll...
Get full path of the files in PowerShell
...
get-childitem "C:\windows\System32" -recurse | where {$_.extension -eq ".txt"} | % {
Write-Host $_.FullName
}
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Convert string to title case with JavaScript
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return str.replace(
/\w\S*/g,
function(txt) {
return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
}
);
}
<form>
Input:
<br /><textarea name="input" onchange="form.output.value=toTitleCase(...
How to read all files in a folder from Java?
...ile.
For instance, there is the next file tree:
\---folder
| file1.txt
| file2.txt
|
\---subfolder
file3.txt
file4.txt
Using the java.nio.file.Files.walk(Path):
Files.walk(Paths.get("folder"))
.filter(Files::isRegularFile)
.forEach(Sys...
Getting GDB to save a list of breakpoints
...oint keep y 0x08049329 <main+16>
(gdb) set logging file breaks.txt
(gdb) set logging on
Copying output to breaks.txt.
(gdb) info break
Num Type Disp Enb Address What
1 breakpoint keep y 0x08049329 <main+16>
(gdb) q
The file breaks.txt now contains:
N...
Android Fragment onClick button Method
..._main, container, false);
// Inflate the layout for this fragment
txt_name = (TextView) view.findViewById(R.id.name);
txt_usranme = (TextView) view.findViewById(R.id.surname);
txt_number = (TextView) view.findViewById(R.id.number);
txt_province = (TextView) view.findViewById(R.i...
What is a patch in git version control?
...iff tells us. Let's say I have two versions of this file, one called file1.txt and another one file2.txt, then I run diff and get this:
$ diff -u file1.txt file2.txt
--- file1.txt 2011-11-26 11:07:03.131010360 -0500
+++ file2.txt 2011-11-26 11:07:13.171010362 -0500
@@ -1,2 +1,2 @@
-This is lin...
Java FileOutputStream Create File if not exists
...eate with createNewFile() if it doesn't):
File yourFile = new File("score.txt");
yourFile.createNewFile(); // if file already exists will do nothing
FileOutputStream oFile = new FileOutputStream(yourFile, false);
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Inserting a text where cursor is using Javascript/jquery
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Use this, from here:
function insertAtCaret(areaId, text) {
var txtarea = document.getElementById(areaId);
if (!txtarea) {
return;
}
var scrollPos = txtarea.scrollTop;
var strPos = 0;
var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ?
"ff" : (...