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How to remove files and directories quickly via terminal (bash shell) [closed]
...-type d -prune -o -print -exec rm -rf {} \;
Essentially it uses regex to select the directories to exclude from the results then removes the remaining files. Just wanted to put it out here in case someone else needed it.
s...
How to set my phpmyadmin user session to not time out so quickly? [duplicate]
...sier solution, this should be the accepted answer.
– Select0r
May 22 '14 at 6:45
25
This only wor...
Extract every nth element of a vector
...
To select every nth element from any starting position in the vector
nth_element <- function(vector, starting_position, n) {
vector[seq(starting_position, length(vector), n)]
}
# E.g.
vec <- 1:12
nth_element(vec, ...
Is there any boolean type in Oracle databases?
...l (boolc char(1), booln number(1)); insert into testbool values ('Y', 1 ); select dump(boolc), dump(booln) from testbool; That CHAR is stored: Typ=96 Len=1: 89 and that NUMBER: Typ=2 Len=2: 193,2 At least in 12c, NUMBER(1) can use 2 bytes...
– phil_w
Apr 19 '1...
NoSql Crash Course/Tutorial [closed]
...uce...so let's create a map function do to the same as a bit of SQL code:
SELECT * FROM users WHERE age > 10
In CouchDB you provide the server with a JavaScript function that gets run against every item in the database...
function (doc)
{
if (doc.objType == "users") {
if (doc.age &...
Expand a random range from 1–5 to 1–7
...t a non-zero. That's what this code is doing: the i and j indexes randomly select a location on the dart board, and if we don't get a good result, we keep throwing darts.
Like Adam said, this can run forever in the worst case, but statistically the worst case never happens. :)
...
The definitive guide to form-based website authentication [closed]
...
A cryptographic hash should not be used for password storage because user-selected passwords are not strong enough (i.e. do not usually contain enough entropy) and a password guessing attack could be completed in a relatively short time by an attacker with access to the hashes. This is why KDFs are...
WinDbg基础资料(日本語) - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
...ックする、
「Atach to Process」画面の「Atach to」の「Select..」ボタンをクリックする。
「Select Code Type」画面で、「Debug these code type:」のRadio BoxをCheck ONにして、
「Managed」と「Native」をCheck ONにして、OKボタンで画...
How to map with index in Ruby?
...erator object (in 1.8.7+), which mixes in Enumerable, so you can call map, select, reject etc. on it just like on an array, hash, range etc.
– sepp2k
Jan 15 '11 at 1:45
9
...
Handling a Menu Item Click Event - Android
...inflate(R.menu.game_menu, menu);
return true;
}
simple code for menu selected
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.new_game:
newGame();
return true;
case R.id.help:
...
