conditional-statements Questions
10
Solved
Is there a way to begin a block of code with a with statement, but conditionally?
Something like:
if needs_with():
with get_stuff() as gs:
# do nearly the same large block of stuff,
# involving...
Markham asked 6/1, 2015 at 16:36
19
Solved
Is there a way to write an IF OR IF conditional statement in a windows batch-file?
For example:
IF [%var%] == [1] OR IF [%var%] == [2] ECHO TRUE
Penny asked 8/12, 2011 at 22:19
4
Solved
In PHP we can check if a key exists in an array by using the function array_key_exists().
In the Twig templating language we can check if an variable or an object's property exists simply by using...
Urinalysis asked 28/11, 2012 at 14:21
6
I have a dataframe:
df = pd.DataFrame({
'col1': [0.1, 0.8, 0.2, 0.12],
'col2': [0.2, 0.9, 0.1, 0.1],
'col3': [0.3, 0.2, 0.1, 0.2],
'col4': [0.6, 0.7, 0.8, 0.9]
})
col1 col2 col3 col4
0 0.10 0...
Tachistoscope asked 27/3, 2023 at 23:12
19
Solved
I would like to use conditions in my CSS.
The idea is that I have a variable that I replace when the site is run to generate the right style-sheet.
I want it so that according to this variable th...
Helvetii asked 15/7, 2009 at 6:20
3
Solved
I would like to notify a handler in my role by doing something like this:
- name: Notify handler
notify: my_handler
when: this_thing_is_true|bool
But Ansible just whines:
ERROR! no module/actio...
Lupien asked 3/6, 2020 at 21:27
16
Solved
An alternative title might be:
Check for existence of multiple rows?
Using a combination of SQL and C# I want a method to return true if all products in a list exist in a table. If it can be done ...
Crypto asked 19/5, 2010 at 0:23
8
Solved
Why do some people use while(true){} blocks in their code? How does it work?
Signac asked 16/10, 2010 at 0:23
6
Solved
I'm trying to check against multiple possibilities in an if statement.
The user inputs a string, and then I check that string against multiple possibilities.
if (theString == "Seven" || &...
Melonie asked 19/4, 2017 at 1:28
5
Solved
I'd like to perform an atomic GET in Redis, and if the value returned is equal to some expected value, I'd like to do a SET, but I want to chain all of this together as one atomic operation. (I'm t...
Pleasure asked 12/5, 2018 at 17:59
2
Solved
I am testing a web app with cypress.
I sign in in my beforeEach function. Then, in my different tests, I begin with cy.visit('mysite.com/url').
My problem is that after sign in, the website redirec...
Inextensible asked 27/10, 2020 at 11:16
5
Solved
How can I detect if the "myaccount/my-account.php" template is used on the Dashboard.
Currently I use:
<?php
global $wp;
if ( !isset($wp->query_vars['page']) ) {
?>
<a href="/mein-...
Polydactyl asked 18/7, 2016 at 19:29
2
Solved
I have a DataFrame which looks like below. I am trying to count the number of elements less than 2.0 in each column, then I will visualize the result in a bar plot. I did it using lists and loops, ...
Tersina asked 23/5, 2014 at 16:2
7
I want to add a volume to my service, but only if the final user gave a folder for it. Otherwise, no volume should be mounted, for the already-prepared image has valid data in a default folder.
Tha...
Leucoma asked 17/5, 2018 at 8:46
4
Solved
Say I have a DataFrame df with date as index and some values. How can I select the rows where the date is larger than some value x?
I know I can convert the index to a column and then do the sele...
Skyjack asked 6/6, 2014 at 18:52
32
So far whenever I needed to use a conditional statement within a Widget I have done the following (Using Center and Containers as simplified dummy examples):
new Center(
child: condition == true...
Bund asked 8/4, 2018 at 0:10
8
Solved
How do you put an "IF DEBUG" condition in a c# program so that, at run time, it will ignore a set of code if you are running in Debug mode and yet, execute a block of code if the program is not run...
Compensate asked 16/6, 2010 at 19:28
4
Solved
I'm trying to implement the following in SwiftUI:
struct PersonView: View {
@State private var age: Int? = 0
var body: some View {
VStack {
Text("Just a test")
if let self.age > 0 {
Tex...
Jedlicka asked 28/12, 2019 at 6:49
4
I have a script that checks the health of a pc by parsing through log files looking for indicators of compromise. If the script finds a certain event id it returns a normalized message. The end goa...
Capsize asked 11/9, 2015 at 4:53
8
Solved
How can I conditionally add 'b' => 'xyz' in the array below, in the array() statement?
$arr = array('a' => abc)
The ternary operator doesn't let me do it.
Mailand asked 25/6, 2011 at 13:7
7
How to wait x seconds or until a condition becomes true? The condition should be tested periodically while waiting. Currently I'm using this code, but there should be a short function.
for (int i ...
Mean asked 15/8, 2014 at 11:12
3
Solved
I would like to create a conditional task in Airflow as described in the schema below. The expected scenario is the following:
Task 1 executes
If Task 1 succeed, then execute Task 2a
Else If Task...
Metonymy asked 28/4, 2017 at 10:49
4
Using jq-1.5 if I have a file of JSON that looks like
[{... ,"sapm_score":40.776, ...} {..., "spam_score":17.376, ...} ...]
How would I get a count of the ones where sapm_score > 40?
Thanks,...
Ninepins asked 1/11, 2017 at 20:40
35
Solved
How can I check whether a string is not null and not empty?
public void doStuff(String str)
{
if (str != null && str != "**here I want to check the 'str' is empty or not**")
{
...
Hialeah asked 30/8, 2010 at 8:1
3
Solved
I have something like
(COMPLEX_EXPRESSION_N stands for a long subquery)
select
ID_Operation,
FirstCheck = CASE WHEN (COMPLEX_EXPRESSION_1)= 0 then 0 else 1 end,
SecondCheck = CASE WHEN (COMPLE...
Dessalines asked 26/4, 2011 at 12:57
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