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Difference between matches() and find() in Java Regex
...hen you have a code like
1:Pattern.compile("[a-z]");
2:Pattern.matcher("0a1b1c3d4");
3:int count = 0;
4:while(matcher.find()){
5:count++: }
At 4: The regex engine using the pattern structure will read through the whole of your code (index to index as specified by the regex[single character] ...
Add a tooltip to a div
...drea Ligios
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Get average color of image via Javascript
...
answered Dec 7 '11 at 9:03
J. ChaseJ. Chase
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Verify if a point is Land or Water in Google Maps
...neous results.
#The following assumes that the latitude longitude is in WGS84
#This is identified by the number "4236", as in "EPSG:4326"
#We will create a transformation between this and the shapefile's
#project, whatever it may be
geo_ref = lyr_in.GetSpatialRef()
point_ref=ogr.osr.SpatialReference...
Exact time measurement for performance testing [duplicate]
...y property.
– LukeH
Jun 9 '09 at 11:03
32
Also, the Stopwatch.StartNew() static method is a conve...
ADB Shell Input Events
...YCODE_PLUS"
82 --> "KEYCODE_MENU"
83 --> "KEYCODE_NOTIFICATION"
84 --> "KEYCODE_SEARCH"
85 --> "TAG_LAST_KEYCODE"
The sendevent utility sends touch or keyboard events, as well as other events for simulating the hardware events. Refer to this article for details: Android, low le...
how does multiplication differ for NumPy Matrix vs Array classes?
...)
>>> a1 * a2t # same as NP.dot(a1, a2t)
matrix([[127, 84, 85, 89],
[218, 139, 142, 173],
[226, 157, 136, 103],
[352, 197, 214, 393]])
but this operations fails if these two NumPy matrices are converted to arrays:
>>> a1 = NP.array(a1)
>&g...
Difference between Dictionary and Hashtable [duplicate]
...e); }
– Mike
Oct 9 '18 at 3:03
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How do you get assembler output from C/C++ source in gcc?
...have the original source.
An alternative if you only have the resultant object file is to use objdump, by setting the --disassemble option (or -d for the abbreviated form).
objdump -S --disassemble helloworld > helloworld.dump
This option works best if debugging option is enabled for the objec...
Fastest way to replace NAs in a large data.table
..._gdata(dt1))
User System verstrichen
3.62 0.22 3.84
system.time(res2 <- f_andrie(dt1))
User System verstrichen
2.95 0.33 3.28
system.time(f_dowle2(dt2))
User System verstrichen
0.78 0.00 0.78
system.time(f_dowle3(dt3...