大约有 22,000 项符合查询结果（耗时：0.0336秒） [XML]
Why does git perform fast-forward merges by default?
... also mentions the config merge.ff:
By default, Git does not create an extra merge commit when merging a commit that is a descendant of the current commit. Instead, the tip of the current branch is fast-forwarded.
When set to false, this variable tells Git to create an extra merge commit in su...
Do sealed classes really offer performance Benefits?
...MSIL code was emitted.
public class NormalClass {
public void WriteIt(string x) {
Console.WriteLine("NormalClass");
Console.WriteLine(x);
}
}
public sealed class SealedClass {
public void WriteIt(string x) {
Console.WriteLine("SealedClass");
Console.Writ...
javascript: pause setTimeout();
... my edit, I've to answer this myself. My solution makes it possible to use extra arguments as third (3, 4, 5...) parameter and to clear the timer:
function Timer(callback, delay) {
var args = arguments,
self = this,
timer, start;
this.clear = function () {
clearTime...
Why does Java switch on contiguous ints appear to run faster with added cases?
...witchTest10.java
public class SwitchTest10 {
public static void main(String[] args) {
int n = 0;
switcher(n);
}
public static void switcher(int n) {
switch(n) {
case 0: System.out.println(0);
break;
case 1: System.o...
Java: getMinutes and getHours
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some mi...
Changing Java Date one hour back
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some mi...
PHP parse/syntax errors; and how to solve them
...al syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer couldn...
How to create a cron job using Bash automatically without the interactive editor?
...ab -l | grep -v -F "$croncmd" ) | crontab -
Notes:
grep -F matches the string literally, as we do not want to interpret it as a regular expression
We also ignore the time scheduling and only look for the command. This way; the schedule can be changed without the risk of adding a new line to the ...
How to specify test directory for mocha?
... do the same as above, plus it will only run the test cases where the it() string/definition of a test begins with "Fnord:":
mocha --reporter spec --grep "Fnord:" server-test/*.js
share
|
improve ...
Extracting text OpenCV
...;
#define INPUT_FILE "1.jpg"
#define OUTPUT_FOLDER_PATH string("")
int _tmain(int argc, _TCHAR* argv[])
{
Mat large = imread(INPUT_FILE);
Mat rgb;
// downsample and use it for processing
pyrDown(large, rgb);
Mat small;
cvtColor(rgb, small, CV_BGR2GRAY);
...