大约有 14,600 项符合查询结果（耗时：0.0157秒） [XML]
Compare a string using sh shell
...
272
You should use the = operator for string comparison:
Sourcesystem="ABC"
if [ "$Sourcesystem"...
How to set working/current directory in Vim?
...
I don't know what is wrong with vim. I want the directory where I start up vim as the current.
I have followed the tip about autochd above and set that to noautcd in my .vimrc.
I haven't done it yet, but I am about to start up vim like this from now on:
vim —cmd 'cd `pwd`'
That will...
SQL Server 2005 How Create a Unique Constraint?
...
272
The SQL command is:
ALTER TABLE <tablename> ADD CONSTRAINT
<constraintna...
What's the best way to check if a String represents an integer in Java?
... a quick benchmark. Exceptions aren't actually that expensivve, unless you start popping back multiple methods and the JVM has to do a lot of work to get the execution stack in place. When staying in the same method, they aren't bad performers.
public void RunTests()
{
String str = "1234567...
Finding three elements in an array whose sum is closest to a given number
... log n). Now we execute this algorithm:
for (i in 1..n-2) {
j = i+1 // Start right after i.
k = n // Start at the end of the array.
while (k >= j) {
// We got a match! All done.
if (A[i] + A[j] + A[k] == 0) return (A[i], A[j], A[k])
// We didn't match. Let's try to get a ...
How to use “/” (directory separator) in both Linux and Windows in Python?
...
272
Use os.path.join().
Example: os.path.join(pathfile,"output","log.txt").
In your code that wou...
What is Bootstrap?
...tes or web applications.
More information and links to download
Getting started
Examples
Themes
Bootply - Bootstrap Editor and Builder
Update
The official bootstrap website is updated and includes a clear definition.
"Bootstrap is the most popular HTML, CSS, and JS framework for developing re...
How to compare two dates in php
...te1,$date2);
echo $diff->format("%R%a days");
?>
output will be "+272 days" ;
changing
$date1 = "2014-03-15"
<?php
$date1=date_create("2014-03-15");
$date2=date_create("2013-12-12");
$diff=date_diff($date1,$date2);
echo $diff->format("%R%a days");
?>
Outpu...
How can I iterate over an enum?
...
If your enum starts with 0 and the increment is always 1.
enum enumType
{
A = 0,
B,
C,
enumTypeEnd
};
for(int i=0; i<enumTypeEnd; i++)
{
enumType eCurrent = (enumType) i;
}
If not I guess the only w...
DirectX SDK (June 2010) Installation Problems: Error Code S1023
...installation:
(For a 32-bit repair, probably skip the Wow6432Node path)
Start regedit
Go to HKEY_LOCAL_MACHINE-> SOFTWARE-> Wow6432Node-> Microsoft->DirectX
If this DirectX folder doesn't exist, create it.
If already here, make sure it's empty.
Now right click in the empty window on t...