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How do I write stderr to a file while using “tee” with a pipe?
...understand what you want to do or what the problem is you're having. echo test; exit doesn't produce any output on stdout, so err will remain empty.
– lhunath
Aug 25 '13 at 0:46
1...
How do I get a human-readable file size in bytes abbreviation using .NET?
...
using Log to solve the problem....
static String BytesToString(long byteCount)
{
string[] suf = { "B", "KB", "MB", "GB", "TB", "PB", "EB" }; //Longs run out around EB
if (byteCount == 0)
return "0" + suf[0];
long bytes = Math.Abs(byteCount);
int place ...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...ict data page sizes and optimize accesses and alignment thusly. As always, test.
– Matt Enright
Aug 10 '11 at 22:09
17
...
Clean way to launch the web browser from shell script?
...rwise:
eval is evil, don't use it.
Quote your variables.
Use the correct test operators in the correct way.
Here is an example:
#!/bin/bash
if which xdg-open > /dev/null
then
xdg-open URL
elif which gnome-open > /dev/null
then
gnome-open URL
fi
Maybe this version is slightly better ...
What exactly is a C pointer if not a memory address?
...ess is not just an integer.
– Gilles 'SO- stop being evil'
Mar 1 '13 at 22:08
19
...
Checking for a dirty index or untracked files with Git
...s
My first thought is to just check whether these commands have output:
test -z "$(git ls-files --others)"
If it exits with 0 then there are no untracked files. If it exits with 1 then there are untracked files.
There is a small chance that this will translate abnormal exits from git ls-file...
How to use transactions with dapper.net?
...action . For example it can be used to great effect when unit/integration testing code that does database calls where you want to roll back after. Just float a TransactionScope, test the code, and dispose during test cleanup.
– Larry Smith
Nov 14 '17 at 21:04...
How can I get enum possible values in a MySQL database?
..._getcsv which converts a CSV string to an array.
// This is an example to test with
$enum_or_set = "'blond','brunette','redhead'";
// Here is the parser
$options = str_getcsv($enum_or_set, ',', "'");
// Output the value
print_r($options);
This should give you something similar to the following:...
how to use javascript Object.defineProperty
...ertyDescriptor().
Learn by example:
var o = {};
Object.defineProperty(o,"test",{
value: "a",
configurable: true
});
console.log(Object.getOwnPropertyDescriptor(o,"test")); // check the settings
for(var i in o) console.log(o[i]); // nothing, o.test is not enumerable
console.log(o.test); //...
Useful GCC flags for C
...e mine:
-Wextra, -Wall: essential.
-Wfloat-equal: useful because usually testing floating-point numbers for equality is bad.
-Wundef: warn if an uninitialized identifier is evaluated in an #if directive.
-Wshadow: warn whenever a local variable shadows another local variable, parameter or global v...