大约有 1,400 项符合查询结果(耗时:0.0325秒) [XML]
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...7680000 ntdll (pdb symbols) c:\websymbols\wntdll.pdb\ACE318E6A2F44F23A6CC5628F10A7DDC2\wntdll.pdb
我们发现MSVCR90D的pdb并没有被加载,是因为程序还没运行到,
3. 按F11
没有跳到源代码!
运行:src.path C:\Program Files (x86)\Microsoft Visual Studio 9...
Numpy - add row to array
...lock
print('numpy 1.14 takes {:.3f} micros per row'.format(duration * 1e6 / n_loops))
start_clock = perf_counter()
for count in range(0, n_loops):
py_array.append(py_row) # .15 micros
numpy_array = np.array(py_array) # 43.9 micros
duration = perf_counter() - start...
What's the $unwind operator in MongoDB?
...{
"result" : [
{
"_id" : ObjectId("4e6e4ef557b77501a49233f6"),
"title" : "this is my title",
"author" : "bob",
"tags" : "fun"
},
{
"_id" : ObjectId("4e...
How should I use git diff for long lines?
...g something like this:
diff --git a/test-file.txt b/test-file.txt
index 19e6adf..eb6bb81 100644
--- a/test-file.txt
+++ b/test-file.txt
@@ -1 +1 @@
-this is a short line
+this is a slightly longer line
You might get something like this:
diff --git a/test-file.txt b/test-file.txt
index 19e6adf..e...
docker mounting volumes on host
... "/var/www": "/var/lib/docker/vfs/dir/b3ef4bc28fb39034dd7a3aab00e086e6...",
"/var/cache/nginx": "/var/lib/docker/vfs/dir/62499e6b31cb3f7f59bf00d8a16b48d2...",
"/var/log/nginx": "/var/lib/docker/vfs/dir/71896ce364ef919592f4e99c6e22ce87..."
},
"VolumesRW": {
"/va...
Fastest way to iterate over all the chars in a String
...any 'string.charAt(n)' calls.
THIRD UPDATE: As of 2020-09-07, on my Ryzen 1950-X 16 core and source 1.14, 'charAt1' is 9 times slower than field access and 'charAt2' is 4 times slower than field access. Field access is back as the clear winner. Note than the program will need to use byte[] access fo...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...00005b8 memsz 0x000005b8 flags r-x
LOAD off 0x000005b8 vaddr 0x080495b8 paddr 0x080495b8 align 2**12
filesz 0x0000002c memsz 0x0000002c flags rw-
Sections:
Idx Name Size VMA LMA File off Algn
SYMBOL TABLE:
no symbols
我们可以看到start...
What is the correct way to create a single-instance WPF application?
...
{
static Mutex mutex = new Mutex(true, "{8F6F0AC4-B9A1-45fd-A8CF-72F04E6BDE8F}");
[STAThread]
...
}
Having a named mutex allows us to stack synchronization across
multiple threads and processes which is just the magic I'm looking
for.
Mutex.WaitOne has an overload that spe...
Passing base64 encoded strings in URL
... from 1 to 3 chars occurs on 3 out of 64 characters on average, so it is a 9% overhead (2*3/64)
– PaulH
Jul 3 '16 at 12:32
...
Most popular screen sizes/resolutions on Android phones [closed]
...p503) web arhive
Top on 2017-01:
Display Resolutions:
1280 x 720: 28.9%
1920 x 1080: 21.4%
800 x 480: 10.3%
854 x 480: 9.7%
960 x 540: 8.9%
1024 x 600: 7.8%
1280 x 800: 5.0%
2560 x 1440: 2.4%
480 x 320: 1.2%
1920 x 1200: 0.8%
1024 x 768: 0.8%
Display Aspect Ratios:
16...