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argparse store false if unspecified
...First, it seems that if the option is -bar, then the dest is automatically set to bar, based on hg.python.org/cpython/rev/49677cc6d83a. However, I don't see where this default behavior is set in the code. I've always set the dest argument explicitly. Also, I think letting bar default to the dest for...
How to get the raw value an field?
...nput number field's sanitization algorithm says the browser is supposed to set the value to an empty string if the input isn't a valid floating point number.
The value sanitization algorithm is as follows: If the value of the
element is not a valid floating-point number, then set it to the emp...
ReSharper warns: “Static field in generic type”
...ents, define a non-generic base class to
store your static members, then set your generic type to inherit from
this type.
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How to build an android library with Android Studio and gradle?
...re your java code goes)
| | +-- res (where your res go)
| | +-- assets (where your assets go)
| | \-- AndroidManifest.xml
| \-- instrumentTest (test project)
| \-- java (where your java code goes)
+-- build.gradle
\-- settings.gradle
If you only have the one project, the setti...
What is “X-Content-Type-Options=nosniff”?
...r websites that don't display content from user uploads, you don't need to set this.
– machineaddict
Jul 15 '14 at 9:43
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Is there a command for formatting HTML in the Atom editor?
...ike the fact that atom-beautify doesn’t make use of personal indentation settings, and/or .editorconfig settings. It just formats everything its way.
– Diti
Feb 16 '16 at 14:34
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jQuery - select the associated label element of a input field [duplicate]
I have a set of input fields, some of them have labels associated, some not:
3 Answers
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PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...了说明问题，我们先来生成一些测试数据：
<?php
ini_set('mongo.native_long', 1);
$instance = new Mongo();
$instance = $instance->selectCollection('test', 'test');
for ($i = 0; $i < 10; $i++) {
$instance->insert(array(
'group_id' => rand(1, 5),
'c...
Hashing a dictionary?
...
If your dictionary is not nested, you could make a frozenset with the dict's items and use hash():
hash(frozenset(my_dict.items()))
This is much less computationally intensive than generating the JSON string or representation of the dictionary.
UPDATE: Please see the comments b...
Adding placeholder text to textbox
...Type TextBox}" BasedOn="{StaticResource {x:Type TextBox}}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TextBox}">
<Grid>
<TextBox Text="{Binding Path=Te...