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Returning value from Thread
...DownLatch. The value array creation happens-before uiThread start (program order rule) which synchronizes-with the assignment of 2 to value[0] (thread start) which happens-before latch.countDown() (program order rule) which happens-before latch.await() (guarantee from CountDownLatch) which happens-b...
Setting up two different static directories in node.js Express framework
...nal (first) parameter to use() like so:
app.use("/public", express.static(__dirname + "/public"));
app.use("/public2", express.static(__dirname + "/public2"));
That way you get two different directories on the web that mirror your local directories, not one url path that fails over between two lo...
Python debugging tips [closed]
...
PDB
You can use the pdb module, insert pdb.set_trace() anywhere and it will function as a breakpoint.
>>> import pdb
>>> a="a string"
>>> pdb.set_trace()
--Return--
> <stdin>(1)<module>()->None
(Pdb) p a
'a string'
(Pdb)
To...
HTML table with 100% width, with vertical scroll inside tbody [duplicate]
...
In order to make <tbody> element scrollable, we need to change the way it's displayed on the page i.e. using display: block; to display that as a block level element.
Since we change the display property of tbody, we shou...
Group query results by month and year in postgresql
... Very nice! This is a superior answer, especially since you can order as well. Upvoted!
– bobmarksie
Jun 20 '16 at 10:35
2
...
“ImportError: No module named” when trying to run Python script
...d the folder in which you told the notebook to operate from in your ipython_notebook_config.py file (typically using the c.NotebookManager.notebook_dir setting).
The solution is to provide the python interpreter with the path-to-your-module. The simplest solution is to append that path to your sys....
cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
... cpuid
cmp eax, 80000004h
jb not_supported
mov di, offset CPU_name
mov eax, 80000002h
cpuid
call save_string
mov eax, 80000003h
cpuid
...
JQuery - $ is not defined
...orry, I thought this was a technique that you could use the scripts in any order. Yes I was using this in the body section in the MVC style. mycode.js then jQuery.js are the last 2 things on the page.
– Paul Totzke
Mar 23 '16 at 17:00
...
Python: Check if one dictionary is a subset of another larger dictionary
...;= d2.items() are actually comparing 2 lists of tuples, without particular order, so the final result will probably not reliable. For this reason, I switch to @blubberdiblub 's answer.
– RayLuo
Feb 17 '17 at 20:43
...
Explicitly calling return in a function or not
...t return. The following plot is created from data selected this way:
bench_nor2 <- function(x,repeats) { system.time(rep(
# without explicit return
(function(x) vector(length=x,mode="numeric"))(x)
,repeats)) }
bench_ret2 <- function(x,repeats) { system.time(rep(
# with explicit return
(funct...