大约有 48,000 项符合查询结果（耗时：0.0710秒） [XML]
Get size of folder or file
...le.txt");
file.length();
This returns the length of the file in bytes or 0 if the file does not exist. There is no built-in way to get the size of a folder, you are going to have to walk the directory tree recursively (using the listFiles() method of a file object that represents a directory) and ...
Linking static libraries to other static libraries
... |
edited Jan 28 '10 at 21:20
answered Jan 28 '10 at 20:25
...
Entity Framework code first unique column
... in an index.
The reason is because of this:
SQL Server retains the 900-byte limit for the maximum total size of all index key columns."
(from: http://msdn.microsoft.com/en-us/library/ms191241.aspx )
You can solve this by setting a maximum string length on your model:
[StringLength(450)]
...
Getting the last revision number in SVN?
...
answered Feb 23 '09 at 20:40
Daniel X MooreDaniel X Moore
13k1212 gold badges7474 silver badges8686 bronze badges
...
Git hook to send email notification on repo changes
...git-multimail, as suggested by Chords below.
This is how you did it in 2009.
You could add something like this to your post-receive hook in $GITDIR/hooks, or use the script in the contrib directory of the source (Available here)
...
How do I render a partial of a different format in Rails?
...
101
Beginning with Rails 3.2.3, when calling render :partial (only works outside of the respond_to ...
Converting a Java Keystore into PEM Format
...ash$ keytool -keystore foo.jks -exportcert -alias foo | \
openssl x509 -inform der -text
Enter keystore password: asdasd
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 1237334757 (0x49c03ae5)
Signature Algorithm: dsaWithSHA1
Issuer: C=AU, ST=Victoria, ...
What's the fastest way to read a text file line-by-line?
...ncreasing this will in general increase performance. The default size is 1,024 and other good choices are 512 (the sector size in Windows) or 4,096 (the cluster size in NTFS). You will have to run a benchmark to determine an optimal buffer size. A bigger buffer is - if not faster - at least not slow...
invalid context 0x0 under iOS 7.0 and system degradation
...core graphics context, but I doubt that's the issue. These invalid context 0x0 error messages are common and easy to reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field. ...
Should I use Java's String.format() if performance is important?
...ass StringTest{
public static void main( String[] args ){
int i = 0;
long prev_time = System.currentTimeMillis();
long time;
for( i = 0; i< 100000; i++){
String s = "Blah" + i + "Blah";
}
time = System.currentTimeMillis() - prev_time;
System.out.println(...