大约有 37,000 项符合查询结果（耗时：0.0623秒） [XML]
How to show current time in JavaScript in the format HH:MM:SS?
...
104
function checkTime(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
funct...
How to read environment variables in Scala
...2.9 you can use sys.env for the same effect:
scala> sys.env("HOME")
res0: String = /home/paradigmatic
I think is nice to use the Scala API instead of Java. There are currently several project to compile Scala to other platforms than JVM (.NET, javascript, native, etc.) Reducing the dependencie...
Determining complexity for recursive functions (Big O notation)
...O notation, for each function:
int recursiveFun1(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun1(n-1);
}
This function is being called recursively n times before reaching the base case so its O(n), often called linear.
int recursiveFun2(int n)
{
if (n &...
Viewing full output of PS command
...
answered Jan 29 '10 at 6:21
Paused until further notice.Paused until further notice.
286k8181 gold badges340340 silver badges409409 bronze badges
...
Simple insecure two-way data “obfuscation”?
...Me__({ 123, 217, 19, 11, 24, 26, 85, 45, 114, 184, 27, 162, 37, 112, 222, 209, 241, 24, 175, 144, 173, 53, 196, 29, 24, 26, 17, 218, 131, 236, 53, 209 });
// a hardcoded IV should not be used for production AES-CBC code
// IVs should be unpredictable per ciphertext
private byte[] Vector...
How can I delete the current line in Emacs?
... edited Jan 13 '16 at 14:44
msrd0
5,87277 gold badges3434 silver badges5959 bronze badges
answered Oct 18 '10 at 11:18
...
Is it better to reuse a StringBuilder in a loop?
...ion {
long time = System.currentTimeMillis();
for( int i = 0; i < 10000000; i++ ) {
StringBuilder sb = new StringBuilder();
sb.append( "someString" );
sb.append( "someString2"+i );
sb.append( "someStrin4g"+i );
sb.append(...
How to shorten my conditional statements
...t in other's code.
Instead of checking if the result of indexOf is >= 0, there is a nice little shortcut:
if ( ~[1, 2, 3, 4].indexOf(test.type) ) {
// Do something
}
Here is the fiddle: http://jsfiddle.net/HYJvK/
How does this work? If an item is found in the array, indexOf returns its ...
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
...
answered Nov 1 '12 at 10:23
Thomas BolanderThomas Bolander
3,48422 gold badges1919 silver badges2727 bronze badges
...
Find directory name with wildcard or similar to “like”
...
find supports wildcard matches, just add a *:
find / -type d -name "ora10*"
share
|
improve this answer
|
follow
|
...