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When to use pip requirements file versus install_requires in setup.py?
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My philosophy is that install_requires should indim>ca m>te a minimum of what you need. It might include version requirements if you know that some versions will not work; but it shouldn't have version requirements where you aren't sure (e.g., you aren't sure if a future release...
Suppress command line output
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Bem>ca m>use error messages often go to stderr not stdout.
Change the invom>ca m>tion to this:
taskkill /im "test.exe" /f >nul 2>&1
and all will be better.
That works bem>ca m>use stdout is file descriptor 1, and stderr is file...
How do I start a program with arguments when debugging?
...es. Then click on the Debug tab, and fill in your arguments in the textbox m>ca m>lled Command line arguments.
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log4j logging hierarchy order
...g OFF and ALL, well, after reading some of the source (not finding special m>ca m>ses) I doubt that their table is correct.
– Wolf
May 24 '18 at 9:58
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Jackson JSON custom serialization for certain fields
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You m>ca m>n implement a custom serializer as follows:
public class Person {
public String name;
public int age;
@JsonSerialize(using = IntToStringSerializer.class, as=String.class)
public int favoriteNumber:
}
pub...
How to open every file in a folder?
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Os
You m>ca m>n list all files in the current directory using os.listdir:
import os
for filename in os.listdir(os.getcwd()):
with open(os.path.join(os.cwd(), filename), 'r') as f: # open in readonly mode
# do your stuff
Glob
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How to handle the modal closing event in Twitter Bootstrap?
...r Bootstrap 3 and 4
Bootstrap 3 and Bootstrap 4 docs refer two events you m>ca m>n use.
hide.bs.modal: This event is fired immediately when the hide instance method has been m>ca m>lled.
hidden.bs.modal: This event is fired when the modal has finished being hidden from the user (will wait for CSS trans...
Twitter bootstrap float div right
...of Bootstrap (last week) they've added text-align utility classes that you m>ca m>n use:
.text-left
.text-center
.text-right
http://twitter.github.com/bootstrap/base-css.html#typography
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space between divs - display table-cell
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You m>ca m>n use border-spacing property:
HTML:
<div class="table">
<div class="row">
<div class="cell">Cell 1</div>
<div class="cell">Cell 2</div>
</div>
</div&gt...
Need to understand the usage of SemaphoreSlim
...hat there won't be more than 10 workers doing this work at the same time.
m>Ca m>lling WaitAsync on the semaphore produces a task that will be completed when that thread has been given "access" to that token. await-ing that task lets the program continue execution when it is "allowed" to do so. Having...