大约有 43,000 项符合查询结果(耗时:0.0403秒) [XML]
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...e egg under Users/$USER/.python-eggs
Step 4:
Originally required editing _mysql.c, but is now NO LONGER NECESSARY. MySQLdb community seem to have fixed this bug now.
Step 5:
Create a symbolic link under lib to point to a sub-directory called mysql. This is where it looks for during compilation.
...
What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
...red. Let me explain this with an example:
class circle
{
public float _PI =3.14F;
public int Radius;
public funtionArea(int radius)
{
return this.radius * this._PI
}
}
class program
{
public static void main()
{
Circle c1 = new Cirle();
flo...
Logical operators (“and”, “or”) in DOS batch
...an implicit conjunction.
IF Exist File1.Dat IF Exist File2.Dat GOTO FILE12_EXIST_LABEL
If File1.Dat and File1.Dat exist then jump the label FILE12_EXIST_LABEL.
See also: IF /?
share
|
improve th...
How to hash some string with sha256 in Java?
...onvert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a string, you should use base64 or hex... don't try to use the String(byte[], String) co...
How do I find the duplicates in a list and create another list with them?
...mpare each with each). For example:
a = [[1], [2], [3], [1], [5], [3]]
no_dupes = [x for n, x in enumerate(a) if x not in a[:n]]
print no_dupes # [[1], [2], [3], [5]]
dupes = [x for n, x in enumerate(a) if x in a[:n]]
print dupes # [[1], [3]]
...
nginx server_name wildcard or catch-all
...
Change listen option to this in your catch-all server block. (Add default_server) this will take all your non-defined connections (on the specified port).
listen 80 default_server;
if you want to push everything to index.php if the file or folder does not exist;
try_files ...
Why does javascript replace only first instance when using replace? [duplicate]
...al meaning in regexen — the JavaScript idiom for that is:
var id= 'c_'+date.split('/').join('');
share
|
improve this answer
|
follow
|
...
Declare a block method parameter without using a typedef
...ssue benefits from multiple):
@implementation CallbackAsyncClass {
void (^_loginCallback) (NSDictionary *response);
}
// …
- (void)loginWithCallback:(void (^) (NSDictionary *response))handler {
// Do something async / call URL
_loginCallback = Block_copy(handler);
// response will c...
How to set IntelliJ IDEA Project SDK
...For a new project select the home directory of the jdk
eg C:\Java\jdk1.7.0_99
or C:\Program Files\Java\jdk1.7.0_99
For an existing project.
1) You need to have a jdk installed on the system.
for instance in
C:\Java\jdk1.7.0_99
2) go to project structure under File menu ctrl+alt+shift+S
3) SD...
How to check if two arrays are equal with JavaScript? [duplicate]
...,3],[4,5,6]]) --> [[1,4],[2,5],[3,6]]
return arrays[0].map(function(_,i){
return arrays.map(function(array){return array[i]})
});
}
// helper functions
function allCompareEqual(array) {
// e.g. allCompareEqual([2,2,2,2]) --> true
// does not work with nested arra...