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Batch equivalent of Bash backticks
...tionality using cmd.exe scripts with the for /f command:
for /f "usebackq tokens=*" %%a in (`echo Test`) do my_command %%a
Yeah, it's kinda non-obvious (to say the least), but it's what's there.
See for /? for the gory details.
Sidenote: I thought that to use "echo" inside the backticks in a "f...
Can I access constants in settings.py from templates in Django?
...values out of the settings.
@register.tag
def value_from_settings(parser, token):
try:
# split_contents() knows not to split quoted strings.
tag_name, var = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError, "%r tag requires a single argume...
How to initialise memory with new operator in C++?
...ing to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
...
Nodemailer with Gmail and NodeJS
...
You should use an XOAuth2 token to connect to Gmail. No worries, Nodemailer already knows about that:
var smtpTransport = nodemailer.createTransport('SMTP', {
service: 'Gmail',
auth: {
XOAuth2: {
user: smtpConfig.user,
c...
Java maximum memory on Windows XP
I've always been able to allocate 1400 megabytes for Java SE running on 32-bit Windows XP (Java 1.4, 1.5 and 1.6).
13 Answe...
Convert PDF to clean SVG? [closed]
...xpansion,
:: but not with delayed expansion.
pushd "%_work_dir%"
FOR /f "tokens=*" %%A IN ('DIR /A:-D /O:N /B %_work_file_str%') DO (
CALL :subroutine "%%A"
)
popd
:: ===== CONVERT PDF TO SVG WITH INKSCAPE =====
:subroutine
echo.
IF NOT [%1]==[] (
echo %count%:%1
set /A count+=1
...
convert a char* to std::string
...
@Madhatter it is a deep copy. The pointer allocation will remain, and the string will make itself a new allocation.
– moodboom
Dec 1 '17 at 12:43
...
Constant Amortized Time
... takes constant time (that is, O(1)). But each time the array is full, you allocate twice as much space, copy your data into the new region, and free the old space. Assuming allocates and frees run in constant time, this enlargement process takes O(n) time where n is the current size of the array.
...
Python Pandas Error tokenizing data
...[0].strip()
if errortype == 'Error tokenizing data':
cerror = e.message.split(':')[1].strip().replace(',','')
nums = [n for n in cerror.split(' ') if str.isdigit(n)]
expected.append(int(nums[...
Why would a JavaScript variable start with a dollar sign? [duplicate]
...ifier". By identifier I mean the standard CS definition which is a lexical token that is not a keyword in the language. In this case $ and jQuery are two different identifiers that reference the same value. But they are both identifiers nonetheless.
– Benry
Jul...