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Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...the namespace to a separate attribute, perhaps. For simple tag containment tests (does this document contain this tag name?) this solution is great and can be short-circuited.
– Martijn Pieters♦
Oct 1 '19 at 15:37
...
Static linking vs dynamic linking
...n how well it works.
The way to answer performance questions is always by testing (and use a test environment as much like the deployment environment as possible).
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Save PL/pgSQL output from PostgreSQL to a CSV file
...ostgresql's built in COPY command. e.g.
Copy (Select * From foo) To '/tmp/test.csv' With CSV DELIMITER ',' HEADER;
This approach runs entirely on the remote server - it can't write to your local PC. It also needs to be run as a Postgres "superuser" (normally called "root") because Postgres can't ...
How to run travis-ci locally
...and. You can restart the process and replay those commands to run the same test against an updated code base.
If your repo is private: ssh-keygen -t rsa -b 4096 -C "YOUR EMAIL REGISTERED IN GITHUB" then cat ~/.ssh/id_rsa.pub and click here to add a key
FYI: you can git pull from inside docker to l...
C/C++ include header file order
...
If you use Feature Test Macros, your first include most probably should NOT be a standard library header. Therefore, for generality, I'd say the "local first, global later" policy is best.
– hmijail mourns resignees
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How to check whether a given string is valid JSON in Java
...atch the exception:
import org.json.*;
public boolean isJSONValid(String test) {
try {
new JSONObject(test);
} catch (JSONException ex) {
// edited, to include @Arthur's comment
// e.g. in case JSONArray is valid as well...
try {
new JSONArray(te...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...h etc).
at least you can circumvent problems during development when using test certificates.
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Which method performs better: .Any() vs .Count() > 0?
...n<T>, IList<T>, List<T>, etc) - then this will be the fastest option, since it doesn't need to go through the GetEnumerator()/MoveNext()/Dispose() sequence required by Any() to check for a non-empty IEnumerable<T> sequence.
For just IEnumerable<T>, then Any() will gene...
Determine installed PowerShell version
...ailed on PowerShell.com in Which PowerShell Version Am I Running.
$isV2 = test-path variable:\psversiontable
The same site also gives a function to return the version:
function Get-PSVersion {
if (test-path variable:psversiontable) {$psversiontable.psversion} else {[version]"1.0.0.0"}
}
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How to check edittext's text is email address or not?
...inName: checks that field contains a valid domain name ( always passes the test in API Level < 8 )
ipAddress: checks that the field contains a valid ip address
webUrl: checks that the field contains a valid url ( always passes the test in API Level < 8 )
nocheck: It does not check anything. (D...