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Loop through properties in JavaScript object with Lodash
...
var value = myObject.options[key];
}
}
Edit: the accepted answer (_.forOwn()) should be https://stackoverflow.com/a/21311045/528262
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Swift: #warning equivalent
...mple all at the same time.
// Description of what you need to fix
var FIX_ME__????????????: AnyObject
Throws a warning that 'FIX_ME__????????????' was never used.
You can add emoticons to the variable name if you like... I often use ???? and ????, for something that really needs fixing I'd eve...
How do I pass a variable by reference?
...le type
Let's try to modify the list that was passed to a method:
def try_to_change_list_contents(the_list):
print('got', the_list)
the_list.append('four')
print('changed to', the_list)
outer_list = ['one', 'two', 'three']
print('before, outer_list =', outer_list)
try_to_change_list_...
Does Dart support enumerations?
...old approach before 1.8:
class Fruit {
static const APPLE = const Fruit._(0);
static const BANANA = const Fruit._(1);
static get values => [APPLE, BANANA];
final int value;
const Fruit._(this.value);
}
Those static constants within the class are compile time constants, and this cl...
Is inline assembly language slower than native C++ code?
... it):
calcuAsm: # @calcuAsm
.Ltmp0:
.cfi_startproc
# BB#0:
testl %edx, %edx
jle .LBB0_2
.align 16, 0x90
.LBB0_1: # %.lr.ph
# =>This Inner Loop Header: Depth=1
imull $1000...
Sending HTML email using Python
...message to send - here it is sent as one string.
s.sendmail(me, you, msg.as_string())
s.quit()
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What techniques can be used to speed up C++ compilation times?
...more than once in a single translation unit.
#pragma once
#ifndef filename_h
#define filename_h
// Header declarations / definitions
#endif
By using both the pragma and the ifndef, you get the portability of the plain macro solution, as well as the compilation speed optimization that some compi...
Using “super” in C++
.....). You are quite right in your answer, including the chaining, I guess. ^_^ ...
– paercebal
Jun 10 '09 at 16:45
how ...
WakeLock 扩展:保持设备唤醒扩展,防止系统休眠和电池优化 · App Inventor 2 中文网
...hen 计时器1.Timer() {
UrsAI2WakeLock1.AquirePartialWakeLock()
标签_状态.Text = "正在记录数据"
UrsAI2WakeLock1.Release()
}
2. MQTT 客户端
保持 MQTT 连接活跃:
when Screen1.Initialize() {
UrsAI2WakeLock1.AquireWifiLock()
UrsAI2WakeLock1.Aquir...
List all sequences in a Postgres db 8.1 with SQL
...The following query gives names of all sequences.
SELECT c.relname FROM pg_class c WHERE c.relkind = 'S';
Typically a sequence is named as ${table}_id_seq. Simple regex pattern matching will give you the table name.
To get last value of a sequence use the following query:
SELECT last_value FROM...
